RP131x SERIES
LOW ON RESISTANCE / LOW VOLTAGE 1A LDO
NO.EA-174-111020
1
OUTLINE
The RP131x Series are voltage-regulators with a built-in low ON-resistance transistor and output current is 1A
capability. These ICs are capable of the low input voltage (Min.1.6V) and also the minimum output voltage can be
set from 0.8V. (The output voltage is fixed in the IC.)
Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor net for setting output voltage,
a chip enable circuit, current limit circuits for over-current and short, and a thermal-shutdown circuit.
A standby mode with ultra low supply current can be realized with the chip enable function.
The packages for these ICs are DFN1616-6B and DFN(PLP)1820-6 which are suitable for high density
mounting of the ICs on boards. SOT-89-5, HSOP-6J and TO-252-5-P2 with high power dissipation are also
available.
FEATURES
• Output Current ............................................................ Min. 1A
• Supply Current ............................................................. Typ. 65μA
• Standby Current .......................................................... Typ. 0.15μA
• Input Voltage Range ................................................... 1.6V to 6.5V
• Output Voltage Range.................................................. 0.8V to 5.5V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
• Dropout Voltage............................................................ Typ. 0.5V (VOUT=2.8V, IOUT=1A)
• Ripple Rejection ........................................................... Typ. 70dB (f=1kHz, VOUT=2.8V)
• Output Voltage Accuracy.............................................. ±1.0%
• Temperature-Drift Coefficient of Output Voltage .......... Typ. ±100ppm/°C
• Line Regulation ............................................................ Typ. 0.05%/V
• Load Regulation ......................................................... Typ. 20mV at IOUT=300mA, Typ. 80mV at IOUT=1A
• Packages ............................................................... DFN1616-6B, DFN(PLP)1820-6, SOT-89-5, HSOP-6J,
TO-252-5-P2
• Built-in Inrush current limit circuit ............................... Typ. 500mA
• Built-in Fold-Back Protection Circuit ........................... Typ. 250mA (Current at short mode)
• Built-in Thermal Shutdown Circuit .............................. Thermal Shutdown Temperature ; Typ. 165°C
Released Temperature ; Typ. 135°C
• Built-in Auto Discharge Function ................................ D version
• Ceramic capacitors are recommended to be used with this IC .... 2.2μF or more (VOUT≤3.6V)
4.7μF or more (VOUT
>
3.6V)
APPLICATIONS
• Power source for battery-powered equipment.
• Power source for portable communication equipment.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for Notebook PC.
• Power source for home appliances.
RP131x
2
BLOCK DIAGRAMS
RP131xxx1B RP131xxx1D
V
DD
GND
V
OUT
CE
Vref
Current Limit
Thermal Shutdown
V
DD
GND
V
OUT
CE
Vref
Current Limit
Thermal Shutdown
SELECTION GUIDE
The output voltage, auto discharge function, package for the ICs can be selected at the user’s request.
Product Name Package Quantity per Reel Pb Free Halogen Free
RP131Lxx1∗-TR DFN1616-6B 5,000 pcs Yes Yes
RP131Kxx1∗-TR DFN(PLP)1820-6 5,000 pcs Yes Yes
RP131Hxx1∗-T1-FE SOT-89-5 1,000 pcs Yes Yes
RP131Sxx1∗-E2-FE HSOP-6J 1,000 pcs Yes Yes
RP131Jxx1∗-T1-FE TO-252-5-P2 3,000 pcs Yes Yes
xx :
∗ :
The output voltage can be designated in the range from 0.8V(08) to 5.5V(55) in 0.1V steps.
(For other voltages, please refer to MARK INFORMATIONS.)
The auto discharge function at off state are options as follows.
(B) without auto discharge function at off state
(D) with auto discharge function at off state
RP131x
3
PIN CONFIGURATIONS
• DFN1616-6B
• DFN(PLP)1820-6
Top View
3
4
2
5
1
6
Bottom Vi ew
1
6
2
5
3
4
∗
1
Top View
654
123
Bottom Vi ew
4 5 6
3 2 1
∗1
z SOT-89-5 z HSON-6 z TO-252-5-P2
1 3
5 4
2
13
64
2
5
1 2 3 4 5
PIN DESCRIPTIONS
• DFN1616-6B
Pin No. Symbol Pin Description
1 VOUT Output Pin∗2
2 VOUT Output Pin∗2
3 GND Ground Pin
4 CE Chip Enable Pin ("H" Active)
5 VDD Input Pin∗2
6 VDD Input Pin∗2
∗1) Tab is GND level. (They are connected to the reverse side of this IC.)
The tab is better to be connected to the GND, but leaving it open is also acceptable.
∗2) When you use this IC, please make sure be wired with 1pin with 2pin and 5pin with 6pin.
RP131x
4
• DFN(PLP)1820-6
Pin No. Symbol Pin Description
1 VOUT Output Pin∗2
2 VOUT Output Pin∗2
3 GND Ground Pin
4 CE Chip Enable Pin ("H" Active)
5 VDD Input Pin∗2
6 VDD Input Pin∗2
∗1) Tab is GND level. (They are connected to the reverse side of this IC.)
The tab is better to be connected to the GND, but leaving it open is also acceptable.
∗2) When you use this IC, please make sure be wired with 1pin with 2pin and 5pin with 6pin.
• SOT-89-5
Pin No. Symbol Pin Description
1 NC No Connection
2 GND Ground Pin
3 CE Chip Enable Pin ("H" Active)
4 VDD Input Pin
5 VOUT Output Pin
• HSOP-6J
Pin No. Symbol Pin Description
1 VOUT Output Pin
2 GND
Ground Pin∗3
3 NC No Connection
4 CE Chip Enable Pin ("H" Active)
5 GND
Ground Pin∗3
6 VDD Input Pin
∗3) When you use this IC, please make sure be wired with 2pin and 5pin.
• TO-252-5-P2
Pin No. Symbol Pin Description
1 VOUT Output Pin
2 GND
Ground Pin∗4
3 GND
Ground Pin∗4
4 CE Chip Enable Pin ("H" Active)
5 VDD Input Pin
∗4) When you use this IC, please make sure be wired with 2pin and 3pin.
RP131x
5
ABSOLUTE MAXIMUM RATINGS
Symbol Item Rating Unit
VIN Input Voltage 7.0 V
VCE Input Voltage (CE Pin) −0.3 to 7.0 V
VOUT Output Voltage −0.3 to VIN+0.3 V
Power Dissipation (DFN1616-6B)∗ 640
Power Dissipation (DFN(PLP)1820-6)∗ 880
Power Dissipation (SOT-89-5)∗ 900
Power Dissipation (HSOP-6J)∗ 1700
PD
Power Dissipation (TO-252-5-P2)∗ 1900
mW
Topt Operating Temperature Range −40 to 85 °C
Tstg Storage Temperature Range −55 to 125 °C
∗) For Power Dissipation, please refer to PACKAGE INFORMATION.
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the
permanent damages and may degrade the life time and safety for both device and system using the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
RP131x
6
ELECTRICAL CHARACTERISTICS
VIN=Set VOUT+1V, IOUT=1mA
The specification in is checked and guaranteed by design engineering at −40°C≤Topt≤85°C, unless
otherwise noted.
• RP131xxx1B/D Topt=25°C
Symbol Item Conditions Min. Typ. Max. Unit
VOUT>1.5V ×0.99 ×1.01
V
Topt=25°C VOUT≤1.5V −15 15 mV
VOUT>1.5V ×0.974 ×1.018 V
VOUT Output Voltage
−40°C≤Topt≤85°C VOUT≤1.5V −40 27
mV
0.1mA≤IOUT≤300mA 20
40
ΔVOUT/
ΔIOUT Load Regulation
0.1mA≤IOUT≤1A 80
120
mV
VDIF Dropout Voltage Refer to the following table
ISS Supply Current IOUT=0mA (VIN=6.5V) 65
90 μA
Istandby Standby Current VCE=0V, VIN=6.5V 0.15 0.60
μA
ΔVOUT/
ΔVIN Line Regulation Set VOUT+0.5V≤VIN≤6.5V
∗However, VIN ≥1.6V 0.05
0.1 %/V
VOUT≤3.3V 70
RR Ripple Rejection
f=1kHz
Ripple 0.2Vp-p
IOUT=100mA VOUT>3.3V 60
dB
VIN Input Voltage 1.6 6.5 V
ΔVOUT/
ΔTopt
Output Voltage
Temperature Coefficient −40°C≤Topt≤85°C ±100 ppm
/°C
ILIM Output Current Limit 1 A
ISC Short Current Limit VOUT=0V 250 mA
IPD CE Pull-down Current 0.3
μA
VCEH CE Input Voltage "H" 1.0 V
VCEL CE Input Voltage "L"
0.4 V
en Output Noise BW=10Hz to 100kHz, IOUT=1mA 45
μVrms
TTSD Thermal Shutdown
Temperature Junction Temperature 165 °C
TTSR Thermal Shutdown
Released Temperature Junction Temperature 135 °C
RLOW Low Output Nch Tr. ON
Resistance (of D version) VIN=4.0V, VCE=0V 30
Ω
The specification in is checked and guaranteed by design engineering at −40°C≤Topt≤85°C, unless
otherwise noted.
All of unit are tested and specified under load conditions such that Tj≈Topt=25°C except for Output Noise,
Ripple Rejection, Output Voltage Temperature Coefficient, Dropout Voltage at 1A Output Current and Thermal
Shutdown items.
RP131x
7
• Dropout Voltage by Output Voltage Topt=25°C
Dropout Voltage VDIF (V)
Output Voltage
VOUT (V) Condition Typ. Max. Condition Typ. Max.
0.8 ≤ VOUT < 0.9 0.600 0.780 1.100 1.650
0.9 ≤ VOUT < 1.0 0.550 0.690 1.050 1.500
1.0 ≤ VOUT < 1.1 0.450 0.610 1.000 1.450
1.1 ≤ VOUT < 1.2 0.340 0.540 0.930 1.420
1.2 ≤ VOUT < 1.5 0.290 0.500 0.900 1.380
1.5 ≤ VOUT < 2.6 0.230 0.310 0.700 1.100
2.6 ≤ VOUT < 3.3 0.150 0.180 0.500 0.750
3.3 ≤ VOUT ≤ 5.5
IOUT=300mA
0.140 0.170
IOUT=1A
0.450 0.650
The specification in is checked and guaranteed by design engineering at −40°C≤Topt≤85°C, unless
otherwise noted.
All of unit are tested and specified under load conditions such that Tj≈Topt=25°C except for Output Noise,
Ripple Rejection, Output Voltage Temperature Coefficient, Dropout Voltage at 1A Output Current and Thermal
Shutdown items.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the
recommended operating conditions, even if when they are used over such conditions by momentary
electronic noise or surge.
And the semiconductor devices may receive serious damage when they continue to operate over the
recommended operating conditions.
RP131x
8
TYPICAL APPLICATION
C1 RP131x
Series
VDD VOUT
CE GND
C2
VOUT
Recommendation value of the external capacitors
VOUT Capacitors
C1 Kyocera 2.2μF (size:1005) [CM05X5R225M06AB]
VOUT ≤ 3.6V C2 Kyocera 2.2μF (size:1608) [CM105X5R225K06AB]
C1 Kyocera 2.2μF (size:1608) [CM105X5R225K06AB]
VOUT > 3.6V C2 Kyocera 4.7μF (size:1608) [CM105X5R475M06AB]
TECHNICAL NOTES
When using these ICs, consider the following points:
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, use a capacitor C2 with good frequency characteristics and ESR (Equivalent Series Resistance).
If a tantalum capacitor is used, and its ESR of C2 is large, the loop oscillation may result. Because of this,
select C2 carefully considering its frequency characteristics.
PCB Layout
Make VDD and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor C1 between VDD and GND pin with a capacitance value as "Recommendation value of the
external capacitors" above or more, and as close as possible to the pins.
Set external components, especially the output capacitor C2, as close as possible to the ICs, and make wiring
as short as possible.
RP131x
9
TEST CIRCUITS
C1 RP131x
Series
V
DD
V
OUT
CE GND
V
C2 V
OUT
I
OUT
Basic Test Circuit
C1
V
DD
V
OUT
CE GND
C2
A I
SS
V
OUT
RP131x
Series
Test Circuit for Supply Current
RP131x
Series
V
DD
V
OUT
CE GND
C2
Pulse
Generator
I
OUT
P. G.
Test Circuit for Ripple Rejection
I
OUTa
I
OUTb
C1 RP131x
Series
V
DD
V
OUT
CE GND
C2
V
OUT
Test Circuit for Load Transient Response
RP131x
10
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (Topt=25°C)
RP131x081x RP131x151x
0 1.51.00.5 2.0
Output Current I
OUT
(A)
Output Voltage V
OUT
(V)
0
0.9
0.5
0.4
0.3
0.6
0.7
0.8
0.2
0.1
V
IN
=1.4V
V
IN
=1.6V
V
IN
=2.0V
V
IN
=2.5V
V
IN
=2.8V
0 1.51.00.5 2.0
Output Current I
OUT
(A)
Output Voltage V
OUT
(V)
0
1.6
1.0
0.8
0.6
1.2
1.4
0.4
0.2
V
IN
=2.0V
V
IN
=2.5V
V
IN
=3.5V
RP131x331x RP131x501x
0 1.51.00.5 2.0
Output Current I
OUT
(A)
Output Voltage V
OUT
(V)
0
3.5
2.5
2.0
1.5
3.0
1.0
0.5
V
IN
=3.6V
V
IN
=4.3V
V
IN
=5.0V
0 1.51.00.5 2.0
Output Current I
OUT
(A)
Output Voltage V
OUT
(V)
0
5.5
3.5
2.5
1.5
4.5
4.0
3.0
2.0
5.0
1.0
0.5
V
IN
=5.3V
V
IN
=6.0V
2) Output Voltage vs. Input Voltage (Topt=25°C)
RP131x081x RP131x151x
0453216
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
0
1.0
0.6
0.4
0.3
0.8
0.7
0.5
0.9
0.2
0.1
I
OUT
=1mA
I
OUT
=50mA
I
OUT
=100mA
I
OUT
=300mA
0453216
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
0
1.8
1.2
0.9
1.5
0.6
0.3
I
OUT
=1mA
I
OUT
=50mA
I
OUT
=100mA
I
OUT
=300mA
RP131x
11
RP131x331x RP131x501x
0453216
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
0
3.5
2.0
1.5
2.5
3.0
1.0
0.5
I
OUT
=1mA
I
OUT
=50mA
I
OUT
=100mA
I
OUT
=300mA
0453216
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
0
6
4
3
5
2
1
I
OUT
=1mA
I
OUT
=50mA
I
OUT
=100mA
I
OUT
=300mA
3) Supply Current vs. Input Voltage (Topt=25°C)
RP131x081x RP131x151x
0453216
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
0
70
50
30
60
40
20
10
0453216
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
0
70
50
30
60
40
20
10
RP131x331x RP131x501x
0453216
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
0
70
50
30
60
40
20
10
0453216
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
0
70
50
30
60
40
20
10
RP131x
12
4) Output Voltage vs. Temperature
RP131x081x RP131x281x
0.76
0.83
0.77
0.78
0.80
0.82
0.79
0.81
-40 7550025-25 85
Temperature Topt (°C)
Output Voltage V
OUT
(V)
1.46
1.53
1.47
1.48
1.50
1.52
1.49
1.51
-40 7550025-25 85
Temperature Topt (°C)
Output Voltage V
OUT
(V)
RP131x331x RP131x501x
3.20
3.36
3.22
3.24
3.28
3.32
3.34
3.26
3.30
-40 7550025-25 85
Temperature Topt (°C)
Output Voltage V
OUT
(V)
4.90
5.06
4.92
4.94
4.98
5.02
5.04
4.96
5.00
-40 7550025-25 85
Temperature Topt (°C)
Output Voltage V
OUT
(V)
5) Supply Current vs. Temperature
RP131x081x RP131x151x
0
90
10
20
40
70
30
50
80
60
-40 7550025-25 85
Temperature Topt (°C)
Supply Current I
SS
(μA)
0
90
10
20
40
70
30
50
80
60
-40 7550025-25 85
Temperature Topt (°C)
Supply Current I
SS
(μA)
RP131x
13
RP131x331x RP131x501x
0
90
10
20
40
70
30
50
80
60
-40 7550025-25 85
Temperature Topt (°C)
Supply Current I
SS
(μA)
0
90
10
20
40
70
30
50
80
60
-40 7550025-25 85
Temperature Topt (°C)
Supply Current I
SS
(μA)
6) Dropout Voltage vs. Output Current
RP131x081x RP131x151x
0
1.6
1.4
1.0
0.6
1.2
0.8
0.4
0.2
Output Current I
OUT
(mA)
Dropout Voltage V
DIF
(V)
85°C
25°C
-40°C
0
800200 400 600 900300 500 700100 1000
0
1.4
1.0
0.6
1.2
0.8
0.4
0.2
0
800200 400 600 900300 500 700100 1000
Output Current I
OUT
(mA)
Dropout Voltage V
DIF
(V)
85°C
25°C
-40°C
RP131x331x RP131x501x
0
1.4
1.0
0.6
1.2
0.8
0.4
0.2
0
800200 400 600 900300 500 700100 1000
Output Current I
OUT
(mA)
Dropout Voltage V
DIF
(V)
85°C
25°C
-40°C
0
1.4
1.0
0.6
1.2
0.8
0.4
0.2
0
800200 400 600 900300 500 700100 1000
Output Current I
OUT
(mA)
Dropout Voltage V
DIF
(V)
85°C
25°C
-40°C
RP131x
14
7) Dropout Voltage vs. Set Output Voltage
1.2
0.6
1.0
0.8
0.4
0.2
0
0.7
1.1
0.9
0.5
0.3
0.1
0.5 5.53.5 4.51.5 2.5
Set Output Voltage V
REG
(V)
Dropout Voltage V
DIF
(V)
I
OUT
=50mA
I
OUT
=10mA
I
OUT
=1mA
I
OUT
=0mA
I
OUT
=600mA
I
OUT
=400mA
I
OUT
=200mA
I
OUT
=100mA
I
OUT
=1A
I
OUT
=800mA
8) Ripple Rejection vs. Input Bias Voltage (
C1
=
none, C2
=
Ceramic 1.0
μ
F, R i p p l e
=
0.2V
p-p
, T
opt
=
25
°
C
)
RP131x331x RP131x331x
3.0 4.0 6.05.03.5 5.54.5 6.5
Input Voltage V
IN
(V)
0
10
40
30
20
60
50
70
80
Ripple Rejection RR (dB)
I
OUT
=1mA
f=0.2kHz
f=1kHz
f=10kHz
f=100kHz
3.0 4.0 6.05.03.5 5.54.5 6.5
Input Voltage V
IN
(V)
0
10
40
30
20
60
50
70
80
Ripple Rejection RR (dB)
I
OUT
=30mA
f=0.2kHz
f=1kHz
f=10kHz
f=100kHz
RP131x331x RP131x501x
3.0 4.0 6.05.03.5 5.54.5 6.5
Input Voltage V
IN
(V)
0
10
40
30
20
60
50
70
80
Ripple Rejection RR (dB)
I
OUT
=50mA
f=0.2kHz
f=1kHz
f=10kHz
f=100kHz
4.5 6.05.0 5.5 6.5
Input Voltage V
IN
(V)
0
10
40
30
20
60
50
70
80
90
Ripple Rejection RR (dB)
I
OUT
=1mA
f=0.2kHz
f=1kHz
f=10kHz
f=100kHz
RP131x
15
RP131x501x RP131x501x
4.5 6.05.0 5.5 6.5
Input Voltage V
IN
(V)
0
10
40
30
20
60
50
70
80
90
Ripple Rejection RR (dB)
I
OUT
=10mA
f=0.2kHz
f=1kHz
f=10kHz
f=100kHz
4.5 6.05.0 5.5 6.5
Input Voltage V
IN
(V)
0
10
40
30
20
60
50
70
80
90
Ripple Rejection RR (dB)
I
OUT
=100mA
f=0.2kHz
f=1kHz
f=10kHz
f=100kHz
9) Ripple Rejection vs. Frequency (C1=none, C2=Ceramic 4.7μF, Topt=25°C)
RP131x081x RP131x151x
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0
10
20
30
100
60
40
80
70
90
50
V
IN
=1.8VDC+0.2Vp-p
Frequency f (kHz)
Ripple Rejection RR (dB)
0.1 10 1001 1000
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0
10
20
30
100
60
40
80
70
90
50
V
IN
=2.5VDC+0.2Vp-p
Frequency f (kHz)
Ripple Rejection RR (dB)
0.1 10 1001 1000
RP131x331x RP131x501x
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0
10
20
30
100
60
40
80
70
90
50
V
IN
=4.3VDC+0.2Vp-p
Frequency f (kHz)
Ripple Rejection RR (dB)
0.1 10 1001 1000
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0
10
20
30
100
60
40
80
70
90
50
V
IN
=6.0VDC+0.2Vp-p
Frequency f (kHz)
Ripple Rejection RR (dB)
0.1 10 1001 1000
RP131x
16
10) Input Transient Response (IOUT=100mA, tr=tf=5μs, C1=none, Topt=25°C)
RP131x081x RP131x151x
40 60201008050 7030 90
Output Voltage V
OUT
(V)
Output Voltage
Input Voltage
1
2
0.79
0.80
0.81
Input Voltage V
IN
(V)
3
Time t (μs)
C2=Ceramic2.2μF
40 60201008050 7030 90
Output Voltage V
OUT
(V)
Output Voltage
Input Voltage
2
3
1.49
1.50
1.51
Input Voltage V
IN
(V)
4
Time t (μs)
C2=Ceramic2.2μF
RP131x331x RP131x501x
40 60201008050 7030 90
Output Voltage V
OUT
(V)
Output Voltage
Input Voltage
4
5
3.29
3.30
3.31
Input Voltage V
IN
(V)
6
Time t (μs)
C2=Ceramic2.2μF
40 60201008050 7030 90
Output Voltage V
OUT
(V)
Output Voltage
Input Voltage
5
6
4.995
5.000
5.005
Input Voltage V
IN
(V)
7
Time t (μs)
C2=Ceramic4.7μF
11) Load Transient Response (tr=tf=0.5μs, C1=Ceramic 2.2μF, VIN=VOUT+1.0V, Topt=25°C)
RP131x081x RP131x151x
90
50
70
Output Voltage VOUT (V)
Output Voltage
0.78
0.80
0.81
0.79
110
Time t (μs)
Output Current
Output Current IOUT (mA)
50mA 100mA
C2=Ceramic2.2μF
0
18060 10020 140 16080 12040
90
50
70
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
1.46
1.50
1.52
1.48
110
Time t (μs)
Output Current
Output Current I
OUT
(mA)
50mA 100mA
C2=Ceramic2.2μF
RP131x
17
RP131x331x RP131x501x
90
50
70
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
3.27
3.29
3.30
3.31
3.32
3.33
3.28
110
Time t (μs)
Output Current
Output Current I
OUT
(mA)
50mA 100mA
C2=Ceramic4.7μF
90
50
70
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
4.97
4.99
5.00
5.01
5.02
4.98
110
Time t (μs)
Output Current
Output Current I
OUT
(mA)
50mA 100mA
C2=Ceramic4.7μF
RP131x081x RP131x151x
0
20
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
0.76
0.78
0.80
0.82
40
Time t (μs)
Output Current
Output Current I
OUT
(mA)
0mA 30mA
C2=Ceramic2.2μF
0
20
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
1.46
1.48
1.50
1.52
40
Time t (μs)
Output Current
Output Current I
OUT
(mA)
0mA 30mA
C2=Ceramic2.2μF
RP131x331x RP131x501x
0
20
0
18060 10020 140 16080 12040
Output Voltage VOUT (V)
Output Voltage
3.26
3.28
3.30
3.32
40
Time t (μs)
Output Current
Output Current IOUT (mA)
0mA 30mA
C2=Ceramic4.7μF
0
20
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
4.97
4.98
4.99
5.00
5.01
40
Time t (μs)
Output Current
Output Current I
OUT
(mA)
0mA 30mA
C2=Ceramic4.7μF
RP131x
18
RP131x081x RP131x151x
200
0
400
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
0.4
0.6
0.8
1.0
600
Time t (μs)
Output Current
Output Current I
OUT
(mA)
100mA 500mA
C2=Ceramic2.2μF
200
0
400
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
1.1
1.3
1.5
1.7
600
Time t (μs)
Output Current
Output Current I
OUT
(mA)
100mA 500mA
C2=Ceramic2.2μF
RP131x331x RP131x501x
200
0
400
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
2.7
2.9
3.1
3.3
3.5
600
Time t (μs)
Output Current
Output Current I
OUT
(mA)
100mA 500mA
C2=Ceramic4.7μF
200
0
400
0
18060 10020 140 16080 12040
Output Voltage V
OUT
(V)
Output Voltage
4.6
4.8
5.0
5.2
600
Time t (μs)
Output Current
Output Current I
OUT
(mA)
100mA 500mA
C2=Ceramic4.7μF
12) Turn On Speed with CE pin (C1=Ceramic 2.2μF, C2=Ceramic 4.7μF, Topt=25°C)
RP131x081x RP131x501x
2
1
0
Output Voltage V
OUT
(V)
Output Voltage
CE Input Voltage
0
0.8
0.4
3
Time t (μs)
CE Input Voltage V
CE
(V)
V
IN
=1.8V
I
OUT
=0mA
I
OUT
=100mA
0
450150 25050 350 400200 300100
6
3
0
0
450150 25050 350 400200 300100
Output Voltage V
OUT
(V)
Output Voltage
CE Input Voltage
0
4
6
2
9
Time t (μs)
CE Input Voltage V
CE
(V)
V
IN
=6.0V
I
OUT
=0mA
I
OUT
=100mA
RP131x
19
13) Turn Off Speed with CE pin (D Version) (C1=Ceramic 2.2μF, C2=Ceramic 4.7μF, Topt=25°C)
RP131x081D RP131x501D
2
1
0
Output Voltage V
OUT
(V)
Output Voltage
CE Input Voltage
0
0.8
0.4
3
Time t (ms)
CE Input Voltage V
CE
(V)
V
IN
=1.8V
I
OUT
=0mA
I
OUT
=100mA
0
1.80.6 1.00.2 1.4 1.60.8 1.20.4
6
3
0
Output Voltage V
OUT
(V)
Output Voltage
CE Input Voltage
0
4
6
2
9
Time t (ms)
CE Input Voltage V
CE
(V)
V
IN
=6.0V
I
OUT
=0mA
I
OUT
=100mA
0
1.80.6 1.00.2 1.4 1.60.8 1.20.4
14) Inrush Current at turning on (C1=Ceramic 2.2μF, C2=Ceramic 4.7μF, Topt=25°C)
RP131x081x RP131x501x
600
500
400
300
200
100
0
CE Input Voltage VCE (V)
Output Voltage VOUT (V)
Output Voltage
Inrush Current
CE Input Voltage
0
1.0
1.5
2.0
2.5
3.0
3.5
0.5
700
Time t (μs)
Inrush Current (mA)
VIN=2.3V
32080 1600 240 280120 20040
600
700
500
400
300
200
100
0
Output Voltage
Inrush Current
CE Input Voltage
0
2
3
4
5
7
6
8
1
800
Time t (μs)
Inrush Current
(mA)
V
IN
=6.5V
32080 1600 240 280120 20040
CE Input Voltage V
CE
(V)
Output Voltage V
OUT
(V)
15) Minimum Operating Voltage
RP131x081x
0 200 800400 600 1000
Output Current I
OUT
(mA)
Input Voltage V
IN
(V)
1.0
2.3
1.9
1.6
1.2
2.0
2.1
2.2
1.7
1.3
1.4
1.8
1.5
1.1
Hatched area is available
for 0.8V output.
RP131x
20
ESR vs. Output Current
When using these ICs, consider the following points:
The relations between IOUT (Output Current) and ESR of an output capacitor are shown below.
The conditions when the white noise level is under 40μV (Avg.) are marked as the hatched area in the graph.
Measurement conditions
Frequency Band : 10Hz to 3MHz
Temperature : −40°C to 85°C
C1 : 2.2μF (Kyocera, CM05X5R225M04AD)
C2 : 2.2μF (Kyocera, CM105X5R225K06AE)
4.7μF (Kyocera, CM105X5R475M06AB)
RP131x081x RP131x151x
0
100 800600200 400 900700300 500 1000
Output Current IOUT (mA)
ESR (Ω)
VIN=1.6V to 6.0V
C1=Ceramic 2.2μF, C2=Ceramic 2.2μF
0.01
100
10
1
0.1
Topt=-40°C
Topt=85°C
0
100 800600200 400 900700300 500 1000
Output Current IOUT (mA)
ESR (Ω)
VIN=1.6V to 6.0V
C1=Ceramic 2.2μF, C2=Ceramic 2.2μF
0.01
100
10
1
0.1
Topt=-40°C
Topt=85°C
RP131x331x RP131x501x
0
100 800600200 400 900700300 500 1000
Output Current IOUT (mA)
ESR (Ω)
VIN=3.3V to 6.0V
C1=Ceramic 2.2μF, C2=Ceramic 2.2μF
0.01
100
10
1
0.1
Topt=-40°C
Topt=85°C
0
100 800600200 400 900700300 500 1000
Output Current IOUT (mA)
ESR (Ω)
VIN=5.0V to 6.0V
C1=Ceramic 2.2μF, C2=Ceramic 4.7μF
0.01
100
10
1
0.1
Topt=-40°C
Topt=85°C
RICOHCOMPANY,LTD.
ElectronicDevicesCompany
●Higashi-ShinagawaOffice(InternationalSales)
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Phone:+86-21-5027-3200Fax:+86-21-5027-3299
RICOHCOMPANY,LTD.
ElectronicDevicesCompany
●Taipeioffice
Room109,10F-1,No.51,HengyangRd.,TaipeiCity,Taiwan(R.O.C.)
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http://www.ricoh.com/LSI/
1.Theproductsandtheproductspecificationsdescribedinthisdocumentaresubjecttochangeor
discontinuationofproductionwithoutnoticeforreasons
suchasimprovement.Therefore,before
decidingtousetheproducts,pleaserefertoRicohsalesrepresentativesforthelatest
informationthereon.
2.Thematerialsinthisdocumentmaynotbecopiedorotherwisereproducedinwholeorinpart
withoutpriorwrittenconsentofRicoh.
3.Pleasebesuretotakeanynecessaryformalitiesunderrelevantlawsorregulationsbefore
exportingorotherwisetakingoutofyourcountrytheproductsorthetechnicalinformation
describedherein.
4.Thetechnicalinformationdescribedinthisdocumentshowstypicalcharacteristicsofand
exampleapplicationcircuitsfortheproducts.Thereleaseofsuchinformationisnottobe
construedasawarrantyoforagrantoflicenseunderRicoh'soranythirdparty'sintellectual
propertyrightsoranyotherrights.
5.
Theproductslistedinthisdocumentareintendedanddesignedforuseasgeneralelectronic
componentsinstandardapplications(officeequipment,telecommunicationequipment,
measuringinstruments,consumerelectronicproducts,amusementequipmentetc.).Those
customersintendingtouse
aproductinanapplicationrequiringextremequalityandreliability,
forexample,inahighlyspecificapplicationwherethefailureormisoperationoftheproduct
couldresultinhumaninjuryordeath(aircraft,spacevehicle,nuclearreactorcontrolsystem,
trafficcontrolsystem,automotiveand
transportationequipment,combustionequipment,safety
devices,lifesupportsystemetc.)shouldfirstcontactus.
6.Wearemakingourcontinuousefforttoimprovethequalityandreliabilityofourproducts,but
semiconductorproductsarelikelytofailwithcertainprobability.Inordertopreventanyinjuryto
personsordamagestopropertyresultingfromsuchfailure,customersshouldbecarefulenough
toincorporatesafetymeasuresintheirdesign,suchasredundancyfeature,firecontainment
featureandfail-safefeature.Wedonotassumeanyliability
orresponsibilityforanylossor
damagearisingfrommisuseorinappropriateuseoftheproducts.
7.Anti-radiationdesignisnotimplementedintheproductsdescribedinthisdocument.
8.
PleasecontactRicohsalesrepresentativesshouldyouhaveanyquestionsorcomments
concerningtheproductsorthetechnicalinformation.
RICOHCOMPANY.,LTD.ElectronicDevicesCompany
■
Ricoh presented with the Japan Management Quality Award for 1999
.
Ricoh continually strives to promote customer satisfaction, and shares the achievements
of its management quality improvement program with people and society.
■Ricoh awarded ISO 14001 certification.
The Ricoh Group was awarded ISO 14001 certification, which is an international standard for
environmental management systems, at both its domestic and overseas production facilities.
Our current aim is to obtain ISO 14001 certification for all of our business offices.
Ricoh completed the organization of the Lead-free production for all of our products.
After Apr. 1, 2006, we will ship out the lead free products only. Thus, all products that
will be shipped from now on comply with RoHS Directive.