GE Data Sheet
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 1
JRCW016A0R Orca* Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28Vdc Output; 16Adc Output
Features
Compliant to RoHS II EU Directive 2011/65/EC (-Z versions)
Compliant to REACH Directive (EC) No 1907/2006
High power density: 166 W/in3
Very high efficiency: >93.5% Typ at Full Load
Industry standard half-brick pin-out
Low output ripple and noise
Industry standard, DOSA compliant half-brick footprint
57.7mm x 60.7mm x 12.7mm
(2.27” x 2.39” x 0.5”)
Remote Sense
2:1 input voltage range
Single tightly regulated output
Constant switching frequency
Constant Current Overcurrent limit
Latch after short circuit fault shutdown
Over temperature protection auto restart
Output voltage adjustment trim, 14.0Vdc to 35.2Vdc
Wide operating case temperature range (-40°C to 100°C)
CE mark meets 2006/95/EC directives§
ANSI/UL# 60950-1, 2nd Ed. Recognized, CSA† C22.2 No. 60950-
1-07 Certified, and VDE‡ 0805-1 (EN60950-1, 2nd Ed.) Licensed
ISO** 9001 and ISO 14001 certified manufacturing facilities
Compliant to IPC-9592A, Category 2, Class II
Applications
RF Power Amplifier
Wireless Networks
Switching Networks
Options
Output OCP/OVP auto restart
Shorter pins
Unthreaded heatsink holes
Tunable Loop* for transient response optimization
Description
The JRCW016A0R Orca series of dc-dc converters are a new generation of isolated, very high efficiency DC/DC power modules
providing up to up to 16Adc output current at a nominal output voltage of 28Vdc in an industry standard, DOSA compliant half-
brick size footprint, which makes it an ideal choice for high voltage and high power applications. Threaded-through holes are
provided to allow easy mounting or addition of a heatsink for high-temperature applications. The output is fully isolated from the
input, allowing versatile polarity configurations and grounding connections. This module contains an optional new feature, the
Tunable Loop, that allows the user to optimize the dynamic response of the converter to match the load with reduced amount of
output capacitance, leading to savings on cost and PWB area.
* Trademark of General Electric Company
# UL is a registered trademark of Underwriters Laboratories, Inc.
† CSA is a registered trademark of Canadian Standards Association.
‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V.
** ISO is a registered trademark of the International Organization of Standards
RoHS Compliant
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 2
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings
only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations
sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability.
Parameter Device Symbol Min Max Unit
Input Voltage
Continuous All VIN -0.3 80 Vdc
Transient, operational (100 ms) All VIN,trans -0.3 100 Vdc
Operating Ambient Temperature All Ta -40 85 °C
Operating Case Temperature
(See Thermal Considerations section, Figure 17) All Tc -40 100 °C
Storage Temperature All Tstg -55 125 °C
I/O Isolation Voltage (Current trip point=5mA):
Input to Case, Input to Output All 1500 Vdc
Output to Case All 500 Vdc
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter Device Symbol Min Typ Max Unit
Operating Input Voltage
(see Figure 12 for VIN MIN when using trim-up feature) All VIN 36 48 75 Vdc
Maximum Input Current
(VIN=36V to 75V, IO=IO, max) All IIN,max 14.0 Adc
Inrush Transient All I2t 2 A2s
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 12H source impedance; VIN=0V to 75V, IO= IOmax ;
see Figure 7)
All 20 mAp-p
Input Ripple Rejection (120Hz) All 50 dB
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple standalone operation to being an integrated
part of complex power architecture. To preserve maximum flexibility, internal fusing is not included. Always use an input line fuse,
to achieve maximum safety and system protection. The safety agencies require a time-delay or fast-acting fuse with a maximum
rating of 25 A in the ungrounded input connection (see Safety Considerations section). Based on the information provided in this
data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the
fuse manufacturer’s data sheet for further information.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point
(VIN=VIN,nom, IO=IO, max, Tc =25°C)
All
VO, set 27.5 28 28.5 Vdc
Output Voltage Set-Point Total Tolerance
(Over all operating input voltage, resistive load, and temperature
conditions until end of life)
All VO 27.0 29.0 Vdc
Output Regulation
Line (VIN=VIN, min to VIN, max) All
0.1 0.2 %Vo,set
Load (IO=IO, min to IO, max) All
0.1 0.2 %Vo,set
Temperature (Tc = -40ºC to +100ºC) All 0.25 0.5 %Vo,set
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max)
RMS (5Hz to 20MHz bandwidth) All 45 55 mVrms
Peak-to-Peak (5Hz to 20MHz bandwidth) All 80 200 mVpk-pk
External Capacitance (ESR > 2.5 m)1 All,
except -T CO 440 6500 F
Without the Tunable Loop (ESRMAX = 80m)1 -T CO, 440 470 F
With the Tunable Loop (ESR > 50 m)2 -T CO 440 10,000 F
Output Power (Vo=28V to 35.2V) All PO,max 450 W
Output Current All Io 0 16.0 Adc
Output Current Limit Inception (Constant current until Vo<VtrimMIN ,
duration <4s) All IO, lim 17.0 21.0 Adc
Output Short Circuit Current (VO 0.25Vdc) All IO, sc 30 Arms
Efficiency
VIN=VIN, nom, Tc=25°C IO=IO, max , VO= VO,set All 93.0 93.5
%
Switching Frequency fsw 175 kHz
Dynamic Load Response
(Io/t=1A/10s; Vin=Vin,nom; Tc=25°C; Tested with a 470 F
aluminum and a 10 µF ceramic capacitor across the load.)
Load Change from Io= 50% to 75% of Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
All Vpk
ts
2
1.5
3
%VO, set
ms
Load Change from Io= 25% to 50% of Io,max:
Peak Deviation
Settlin
g
Time (Vo<10%
p
eak deviation)
Vpk
ts
2
1.5
3
%VO, set
ms
1 Note: use a minimum 2 x 220uF output capacitor. Recommended capacitor is Nichicon CD series, 220uF/35V. If the ambient temperature is less
than -20OC, use more than 3 of recommended minimum capacitors.
2 External capacitors may require using the new Tunable Loop feature to ensure that the module is stable as well as getting the best transient
response. See the Tunable Loop section for details.
Isolation Specifications
Parameter Symbol Min Typ Max Unit
Isolation Capacitance Ciso 15 nF
Isolation Resistance Riso 10 M
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 4
General Specifications
Parameter Device Symbol Min Typ Max Unit
Calculated Reliability based upon Telcordia SR-332 Issue 3:
Method I Case 3 (IO=80%IO, max, TA=40°C, airflow = 200 lfm, 90%
confidence)
All FIT 214.5 109/Hours
MTBF 4,661,316 Hours
Weight All
68 76.4 84 g
2.40 2.69 2.96 oz.
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See
Feature Descriptions for additional information.
Parameter Device Symbol Min Typ Max Unit
Remote On/Off Signal Interface
(VIN=VIN, min to VIN, max ; open collector or equivalent,
Signal referenced to VIN- terminal)
Negative Logic: device code suffix “1”
Logic Low = module On, Logic High = module Off
Positive Logic: No device code suffix required
Logic Low = module Off, Logic High = module On
Logic Low - Remote On/Off Current All Ion/off 1.0 mA
Logic Low - On/Off Voltage All Von/off 0 1.2 Vdc
Logic High Voltage – (Typ = Open Collector) All Von/off 5 Vdc
Logic High maximum allowable leakage current All Ion/off 50 A
Turn-On Delay and Rise Times
(Vin=Vin,nom, IO=IO, max, 25C)
Case 1: Tdelay = Time until VO = 10% of VO,set from application of Vin
with Remote On/Off set to ON, All Tdelay 120 ms
Case 2: Tdelay = Time until VO = 10% of VO,set from application of
Remote On/Off from Off to On with Vin already applied for at least
one second.
All Tdelay 20 ms
Trise = time for VO to rise from 10% of VO,set to 90% of VO,set. All Trise 30 ms
Output Voltage Overshoot 3 % VO, set
(IO=80% of IO, max, TA=25°C)
Output Voltage Adjustment
(See Feature Descriptions):
Output Voltage Remote-sense Range
(onl
y
for No Trim or Trim down a
pp
lication ) All Vsense __ __
2 %Vo,nom
Output Voltage Set-point Adjustment Range (trim) All Vtrim 14.0 --- 35.2 Vdc
Output Overvoltage Protection All VO, limit 37 39 Vdc
Over Temperature Protection
(See Feature Descriptions, Figure 17) All Tref 105 110 120 °C
Input Under Voltage Lockout VIN, UVLO
Turn-on Threshold All 35 36 Vdc
Turn-off Threshold All 31 32 Vdc
Hysteresis All 3 Vdc
Input Over voltage Lockout VIN, OVLO
Turn-on Threshold All 79.5 81 Vdc
Turn-off Threshold All 81 83 Vdc
Hysteresis All --- 3 --- Vdc
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 5
Characteristic Curves
The following figures provide typical characteristics for the JRCW016A0R (28V, 16A) at 25ºC. The figures are identical for either
positive or negative Remote On/Off logic.
EFFICIENCY (%)
O
n
/Off
V
O
LTA
G
E
O
UTPUTV
O
LTA
G
E
VON/OFF(V) (5V/div) VO (V) (10V/div)
OUTPUT CURRENT, Io (A) TIME, t (20ms/div)
Figure 1. Converter Efficiency versus Output Current. Figure 4. Typical Start-Up Using negative Remote On/Of
f
;
Co,ext = 440µF.
OUTPUT VOLTAGE
VO (V) (50mV/div)
INPUT V
O
LTA
G
E
O
UTPUT V
O
LTA
G
E
Vin (V) (20V/div) VO(V) (10V/div)
TIME, t (1s/div) TIME, t (40ms/div)
Figure 2. Typical Output Ripple and Noise at Room
Temperature and 48Vin; Io = Io,max; Co,ext = 440µF.
Figure 5. Typical Start-Up from VIN, on/off enabled prior to VIN
step; Co,ext = 470µF.
OUTPUT CURRENT OUTPUT VOLTAGE
IO (A) (5A/div) VO(V) (500mV/div)
OUTPUT CURRENT OUTPUT VOLTAGE
IO (A) (5A/div) VO(V) (500mV/div)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 3. Dynamic Load Change Transient Response from
25% to 50% to 25% of Full Load at Room Temperature and
48 Vin; 0.1A/uS, Co,ext = 440µF.
Figure 6. Dynamic Load Change Transient Response from 50
% to 75% to 50% of Full Load at Room Temperature and 48
Vin; 0.1A/uS, Co,ext = 440µF.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 6
Test Configurations
Note: Measure the input reflected-ripple current with a simulated
source inductance (LTEST) of 12 µH. Capacitor CS offsets possible
battery impedance. Measure the current, as shown above.
Figure 7. Input Reflected Ripple Current Test Setup.
Note: Use a Cout (470 µF Low ESR aluminum or tantalum capacitor
typical), a 0.1 µF ceramic capacitor and a 10 µF ceramic capacitor,
and Scope measurement should be made using a BNC socket.
Position the load between 51 mm and 76 mm (2 in. and 3 in.) from the
module.
Figure 8. Output Ripple and Noise Test Setup.
Note: All measurements are taken at the module terminals. When
socketing, place Kelvin connections at module terminals to avoid
measurement errors due to socket contact resistance.
Figure 9. Output Voltage and Efficiency Test Setup.
Design Considerations
Input Source Impedance
The power module should be connected to a low
ac-impedance source. A highly inductive source impedance
can affect the stability of the power module. For the test
configuration in Figure 7, a 470F Low ESR aluminum
capacitor, CIN , mounted close to the power module helps
ensure the stability of the unit. Consult the factory for further
application guidelines.
Output Capacitance
The JRCW016A0R power module requires a minimum output
capacitance of 440µF Low ESR aluminum capacitor, Cout to
ensure stable operation over the full range of load and line
conditions, see Figure 8. If the ambient temperature is under -
20C, it is required to use at least 3 pcs of minimum capacitors
in parallel. In general, the process of determining the
acceptable values of output capacitance and ESR is complex
and is load-dependent.
Safety Considerations
For safety-agency approval of the system in which the power
module is used, the power module must be installed in
compliance with the spacing and separation requirements of
the end-use safety agency standard, i.e., UL 60950-1, 2nd Ed.,
CSA No. 60950-1 2nd Ed., and VDE0805-1 EN60950-1, 2nd Ed.
For end products connected to –48V dc, or –60Vdc nominal
DC MAINS (i.e. central office dc battery plant), no further fault
testing is required. *Note: -60V dc nominal battery plants are
not available in the U.S. or Canada.
For all input voltages, other than DC MAINS, where the input
voltage is less than 60V dc, if the input meets all of the
requirements for SELV, then:
The output may be considered SELV. Output voltages will
remain within SELV limits even with internally-generated
non-SELV voltages. Single component failure and fault
tests were performed in the power converters.
One pole of the input and one pole of the output are to
be grounded, or both circuits are to be kept floating, to
maintain the output voltage to ground voltage within ELV
or SELV limits. However, SELV will not be maintained if
VI(+) and VO(+) are grounded simultaneously.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 7
Safety Considerations (continued)
For all input sources, other than DC MAINS, where the input
voltage is between 60 and 75V dc (Classified as TNV-2 in
Europe), the following must be meet, if the converter’s output
is to be evaluated for SELV:
The input source is to be provided with reinforced
insulation from any hazardous voltage, including the ac
mains.
One Vi pin and one Vo pin are to be reliably earthed, or
both the input and output pins are to be kept floating.
Another SELV reliability test is conducted on the whole
system, as required by the safety agencies, on the
combination of supply source and the subject module to
verify that under a single fault, hazardous voltages do
not appear at the module’s output.
All flammable materials used in the manufacturing of these
modules are rated 94V-0, or tested to the UL60950 A.2 for
reduced thickness.
The input to these units is to be provided with a maximum 25
A fast-acting or time-delay fuse in the ungrounded input
conection.
Feature Description
Remote On/Off
Two remote on/off options are available. Positive logic turns
the module on during a logic high voltage on the ON/OFF pin,
and off during a logic low. Negative logic remote On/Off,
device code suffix “1”, turns the module off during a logic high
and on during a logic low.
To turn the power module on and off, the user must supply a
switch (open collector or equivalent) to control the voltage
(Von/off) between the ON/OFF terminal and the VIN(-) terminal
(see Figure 10). Logic low is 0V Von/off 1.2V. The maximum
Ion/off during a logic low is 1mA, the switch should be maintain
a logic low level whilst sinking this current.
During a logic high, the typical maximum Von/off generated by
the module is 5V, and the maximum allowable leakage
current at Von/off = 5V is 50A.
If not using the remote on/off feature:
For positive logic, leave the ON/OFF pin open.
For negative logic, short the ON/OFF pin to VIN(-).
Figure 10. Circuit configuration for using Remote On/Off
Implementation.
Overcurrent Protection
To provide protection in a fault output overload condition, the
module is equipped with internal current limiting protection
circuitry, and can endure continuous overcurrent by providing
constant current output, for up to 4 seconds, as long as the
output voltage is greater than VtrimMIN. If the load resistance is
to low to support VtrimMIN in an overcurrent condition or a short
circuit load condition exists, the module will shutdown
immediately.
A latching shutdown option is standard. Following shutdown,
the module will remain off until the module is reset by either
cycling the input power or by toggling the on/off pin for one
second.
An auto-restart option (4) is also available in a case where an
auto recovery is required. If overcurrent greater than 19A
persists for few milli-seconds, the module will shut down and
auto restart until the fault condition is corrected. If the output
overload condition still exists when the module restarts, it will
shut down again. This operation will continue indefinitely, until
the overcurrent condition is corrected.
Over Voltage Protection
The output overvoltage protection consists of circuitry that
monitors the voltage on the output terminals. If the voltage on
the output terminals exceeds the over voltage protection
threshold, then the module will shutdown and latch off. The
overvoltage latch is reset by either cycling the input power for
one second or by toggling the on/off signal for one second.
The protection mechanism is such that the unit can continue
in this condition until the fault is cleared.
An auto-restart option (4) is also available in a case where an
auto recovery is required.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 8
Feature Description (continued)
Remote sense
Remote sense minimizes the effects of distribution losses by
regulating the voltage at the remote-sense connections (see
Figure 11). For No Trim or Trim down application, the voltage
between the remote-sense pins and the output terminals
must not exceed the output voltage sense range given in the
Feature Specifications table i.e.:
[Vo(+)–Vo(-)] – [SENSE(+) – SENSE(-)] 2% of Vo,nom
The voltage between the Vo(+) and Vo(-) terminals must not
exceed the minimum output overvoltage shut-down value
indicated in the Feature Specifications table. This limit
includes any increase in voltage due to remote-sense
compensation and output voltage set-point adjustment (trim).
See Figure 11. If not using the remote-sense feature to
regulate the output at the point of load, then connect
SENSE(+) to Vo(+) and SENSE(-) to Vo(-) at the module.
Although the output voltage can be increased by both the
remote sense and by the trim, the maximum increase for the
output voltage is not the sum of both. The maximum increase
is the larger of either the remote sense or the trim. The
amount of power delivered by the module is defined as the
voltage at the output terminals multiplied by the output
current. When using remote sense and trim: the output
voltage of the module can be increased, which at the same
output current would increase the power output of the
module. Care should be taken to ensure that the maximum
output power of the module remains at or below the
maximum rated power.
Figure 11. Effective Circuit Configuration for Single-Module
Remote-Sense Operation Output Voltage.
Output Voltage Programming
Trimming allows the user to increase or decrease the output
voltage set point of a module. Trimming down is
accomplished by connecting an external resistor between the
TRIM pin and the SENSE(-) pin. Trimming up is accomplished
by connecting external resistor between the SENSE(+) pin and
TRIM pin. The trim resistor should be positioned close to the
module. Certain restrictions apply to the input voltage lower
limit when trimming the output voltage to the maximum. See
Figure 12 for the allowed input to output range when using
trim. If not using the trim down feature, leave the TRIM pin
open.
Figure 12. Output Voltage Trim Limits vs. Input Voltage.
Trim Down – Decrease Output Voltage
With an external resistor (Radj_down) between the TRIM and
SENSE(-) pins, the output voltage set point (Vo,adj) decreases
(see Figure 13). The following equation determines the
required external-resistor value to obtain a percentage output
voltage change of %.
For output voltages: VO,nom = 28V
Without –T Option With –T Option
kR downadj 2
%
100
_
kR downadj 11
%
1000
_
Where,
100% ,
,
nomo
desirednomo
VVV
Vdesired = Desired output voltage set point (V).
Figure 13. Circuit Configuration to Decrease Output
Voltage.
Trim Up – Increase Output Voltage
With an external resistor (Radj_up) connected between the
SENSE(+) and TRIM pins, the output voltage set point (Vo,adj)
increases (see Figure 14).
The following equation determines the required external-
resistor value to obtain a percentage output voltage change
of %.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 9
Feature Description (continued)
For output voltages: VO,nom = 28V
Without –T Option
k
V
RnomO
upadj %%)2(100(
%225.1
%)100(
,
_
With –T Option
kR upadj 12.15
%
27122
_
Where,
100% ,
,
nomo
nomodesired
VVV
Vdesired = Desired output voltage set point (V).
Figure 14. Circuit Configuration to Increase Output Voltage.
The voltage between the Vo(+) and Vo(-) terminals must not
exceed the minimum output overvoltage shut-down value
indicated in the Feature Specifications table. This limit
includes any increase in voltage due to remote- sense
compensation and output voltage set-point adjustment (trim).
See Figure 11.
Although the output voltage can be increased by both the
remote sense and by the trim, the maximum increase for the
output voltage is not the sum of both.
The maximum increase is the larger of either the remote
sense or the trim.
The amount of power delivered by the module is defined as
the voltage at the output terminals multiplied by the output
current. When using remote sense and trim, the output
voltage of the module can be increased, which the same
output current would increase the power output of the
module. Care should be taken to ensure that the maximum
output power of the module remains at or below the
maximum rated power.
Examples:
To trim down the output of a nominal 28V module, without –T
option, to 16.8V
%40100
28 8.1628
%
kR downadj 5.02
40
100
_
To trim up the output of a nominal 28V module, without –T
option, to 30.8V
%0.10100
28 288.30
%
10 )102(100(
10225.1 )10100(28
_upadjR
Radj_up = 239kΩ
Active Voltage Programming
For both the JRCW016A0Rx and JRCW016A0Rx-T, a Digital-
Analog converter (DAC), capable of both sourcing and sinking
current, can be used to actively set the output voltage, as
shown in Figure 15. The value of RG will be dependent on the
voltage step and range of the DAC and the desired values for
trim-up and trim-down %. Please contact your GE technical
representative to obtain more details on the selection for this
resistor.
Figure 15. Circuit Configuration to Actively Adjust the
Output Voltage.
Tunable Loop
The JRCW016A0Rx-T modules have a new feature that
optimizes transient response of the module called Tunable
Loop.
External capacitors are usually added to the output of the
module for two reasons: to reduce output ripple and noise
and to reduce output voltage deviations from the steady-
state value in the presence of dynamic load current changes.
Adding external capacitance however affects the voltage
control loop of the module, typically causing the loop to slow
down with sluggish response. Larger values of external
capacitance could also cause the module to become
unstable.
The Tunable Loop allows the user to externally adjust the
voltage control loop to match the filter network connected to
the output of the module. The Tunable Loop is implemented
by connecting a series R-C between the SENSE(+) and TRIM
pins of the module, as shown in Fig. 16. This R-C allows the
user to externally adjust the voltage loop feedback
compensation of the module.
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t
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r
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7
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a
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ation for othe
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perature. For
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pled to the ca
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ed convectio
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e
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re 17. Case (T
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t
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ither T
REF 1
or
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n
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d
h
e module sh
o
d
ule as listed i
n
e maximum T
R
s
ed above, yo
u
e
xtremely high
R
EF
) Temperat
u
Data S
h
u
les
e
is based on
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unnel, using a
to monitor ke
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t
rol ICs, magn
e
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rs, and modul
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e
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w
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imum derate
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592. This proc
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r ambient te
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side the unit a
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oved by cond
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surrounding
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e
rature should
T
REF 2
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uld not excee
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temperatur
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u
can limit this
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u
re Measurem
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Page
1
p
hysical
utomated
y
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e
tic cores,
e
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w rate and
t
emperature,
n
e (or more) of
d
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edure is then
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perature until
ained.
re thermally
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ction,
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nvironment.
not
a
tions using
tions. The
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the rated
Information
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temperature t
ent Location
1
0
a
o
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 11
Thermal Derating
Thermal derating is presented for two different applications: 1)
Figure 18, the JRCW016A0R module is thermally coupled to a
cold plate inside a sealed clamshell chassis, without any
internal air circulation; and 2) Figure 19, 20 and 21, the
JRCW016A0R module is mounted in a traditional open chassis
or cards with forced air flow. In application 1, the module is
cooled entirely by conduction of heat from the module
primarily through the top surface to a cold plate, with some
conduction through the module’s pins to the power layers in
the system board. For application 2, the module is cooled by
heat removal into a forced airflow that passes through the
interior of the module and over the top base plate and/or
attached heatsink.
Output Current, IO (A)
Cold plate (inside surface) temperature (ºC)
Figure 18. Output Power Derating for JRCW016A0R in
Conduction cooling (cold plate) applications; Ta <70ºC
adjacent to module; VIN = VIN,NOM
Output Current, IO (A)
Ambient Temperature, TA (oC)
Figure 19. Derating Output Current vs. local Ambient
temperature and Airflow, No Heatsink, Vin=48V, airflow
from Vi(-) to Vi(+).
Output Current, IO (A)
Ambient Temperature, TA (oC)
Figure 20. Derating Output Current vs. local Ambient
temperature and Airflow, 0.5” Heatsink, Vin=48V, airflow
from Vi(-) to Vi(+).
Output Current, IO (A)
Ambient Temperature, TA (oC)
Figure 21. Derating Output Current vs. local Ambient
temperature and Airflow, 1.0” Heatsink, Vin=48V, airflow
from Vi(-) to Vi(+).
Layout Considerations
The JRCW016A0R power module series are constructed using
a single PWB with integral base plate; as such, component
clearance between the bottom of the power module and the
mounting (Host) board is limited. Avoid placing copper areas
on the outer layer directly underneath the power module.
Post Solder Cleaning and Drying Considerations
Post solder cleaning is usually the final circuit-board assembly
process prior to electrical board testing. The result of
inadequate cleaning and drying can affect both the reliability
of a power module and the testability of the finished
circuit-board assembly. For guidance on appropriate
soldering, cleaning and drying procedures, refer to GE Board
Mounted Power Modules: Soldering and Cleaning Application
Note.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 12
Through-Hole Lead-Free Soldering
Information
The RoHS-compliant through-hole products use the SAC
(Sn/Ag/Cu) Pb-free solder and RoHS-compliant components.
They are designed to be processed through single or dual
wave soldering machines. The pins have an RoHS-compliant
finish that is compatible with both Pb and Pb-free wave
soldering processes. A maximum preheat rate of 3C/s is
suggested. The wave preheat process should be such that
the temperature of the power module board is kept below
210C. For Pb solder, the recommended pot temperature is
260C, while the Pb-free solder pot is 270C max. The
JRCW016A0R can not be processed with paste-through-hole
Pb or Pb-free reflow process. If additional information is
needed, please consult with your GE representative for more
details.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 13
Mechanical Outline for Through-Hole Module
Dimensions are in millimeters and [inches].
Tolerances: x.x mm 0.5 mm [x.xx in. 0.02 in.] (Unless otherwise indicated)
x.xx mm 0.25 mm [x.xxx in 0.010 in.]
TOP VIEW*
SIDE VIEW**
BOTTOM VIEW
Pin Description
1 Vin (+)
2 On/Off
3 Baseplate
4 Vin (–)
5 Vout (–)
6 Sense (-)
7 Trim
8 Sense (+)
9 Vout (+)
*Top side label includes GE name, product designation, and data code.
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
March 23, 2016 ©2016 General Electric Company. All rights reserved. Page 14
Recommended Pad Layout for Through Hole Module
Dimensions are in millimeters and [inches].
Tolerances: x.x mm 0.5 mm [x.xx in. 0.02 in. ] (Unless otherwise indicated)
x.xx mm 0.25 mm [x.xxx in 0.010 in. ]
GE Data Sheet
JRCW016A0R Orca Series; DC-DC Converter Power Modules
36–75 Vdc Input; 28.0Vdc Output; 16Adc Output
Contact Us
For more information, call us at
USA/Canada:
+1 877 546 3243, or +1 972 244 9288
Asia-Pacific:
+86.021.54279977*808
Europe, Middle-East and Africa:
+49.89.878067-280
www.ge.com/powerelectronics
GE Critical Power reserves the right to make changes to the product(s) or information contained herein without notice, and no liability is assumed
as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
March 23, 2016 ©2016 General Electric Company. All rights reserved. Version 1.29
Ordering Information
Please contact your GE Sales Representative for pricing, availability and optional features.
Table 2. Device Code
Input Voltage Output
Voltage
Output
Curren
t
Efficiency Connector
Type Product codes Comcodes
48V (36-75Vdc) 28V 16A 93.5% Through hole JRCW016A0R41Z CC109168943
48V (36-75Vdc) 28V 16A 93.5% Through hole JRCW016A0R841Z 150037686
48V (36-75Vdc) 28V 16A 93.5% Through hole JRCW016A0R41-18Z CC109168968
48V (36-75Vdc) 28V 16A 93.5% Through hole JRCW016A0R641-18Z CC109169371
48V (36-75Vdc) 28V 16A 93.5% Through hole JRCW016A0R41-TZ CC109168951
48V (36-75Vdc) 28V 16A 93.5% Through hole JRCW016A0R41-18TZ CC109168976
Table 3. Device Options
