R1131D182A [RICOH]
Low Voltage 300mA LDO REGULATOR; 低压300毫安LDO稳压器
| 型号： | R1131D182A |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Low Voltage 300mA LDO REGULATOR |
| 文件： | 总30页 (文件大小：2235K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
R1131x SERIES
Low Voltage 300mA LDO REGULATOR
NO.EA-116-061102
OUTLINE
The R1131x Series are CMOS-based low voltage regulator ICs with output voltage range from 0.8V to 3.3V.
The minimum operating voltage is 1.4V. Each of these voltage regulator ICs consists of a voltage reference unit,
an error amplifier, resistors for setting output voltage, a current limit circuit, and a chip enable circuit.
To prevent the destruction by over current, current limit circuit is included. Standby mode realizes ultra small
consumption current.
The output voltage of these ICs is internally fixed with high accuracy. Since the packages for these ICs are
SOT-23-5, SON-6, and HSON-6, high density mounting of the ICs on boards is possible.
FEATURES
• Supply Current..................................................Typ. 80µA (VOUT < 1.8V)
>
Typ. 60µA (VOUT 1.8V)
=
• Standby Mode...................................................Typ. 0.1µA
• Low Dropout Voltage.........................................Typ. 0.48V(IOUT=300mA Output Voltage=1.0V Type)
Typ. 0.31V(IOUT=300mA Output Voltage=1.5V Type)
Typ. 0.23V(IOUT=300mA Output Voltage=3.0V Type)
• Ripple Rejection................................................Typ. 65dB(f=1kHz)
• Low Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C
• Excellent Line Regulation .................................Typ. 0.01%/V
• Output Voltage Accuracy...................................±2.0%
• Packages .........................................................SOT-23-5, SON-6, HSON-6
• Output Voltage Range.......................................0.8V to 3.3V
• Input Voltage Range .........................................1.4V to 3.3V
• Built-in fold-back protection circuit....................Typ. 50mA (Current at short mode)
• External Capacitors...........................................CIN=COUT=Tantalum 1.0µF (VOUT < 1.0V)
>
CIN=COUT=Ceramic 1.0µF (VOUT 1.0V)
=
APPLICATIONS
• Precision Voltage References.
• Power source for electrical appliances such as cameras, VCRs and hand-held communication equipment.
• Power source for battery-powered equipment.
1
R1131x
BLOCK DIAGRAM
R1131xxxxA
R1131xxxxB
VDD
V
OUT
V
DD
VOUT
Vref
Vref
Current Limit
Current Limit
CE
GND
V
CE
GND
R1131xxxxD
OUT
VDD
Vref
Current Limit
CE
GND
SELECTION GUIDE
The output voltage, the chip enable polarity, package type, and the taping type for the ICs can be selected at
the user's request. The selection can be available by designating the part number as shown below;
R1131xxxxx-xx-x ←Part Number
↑ ↑ ↑↑ ↑
↑
a b a'c d
e
Code
Contents
Designation of Package Type :
R1131Nxx1x: SOT-23-5 (Mini-mold)
R1131Dxx1x: SON-6,
a, a'
R1131Dxx2x: HSON-6
Setting Output Voltage (VOUT):
Stepwise setting with a step of 0.1V in the range of 0.8V to 3.3V is possible.
If the output=1.85V, then the code is R1131x18xx5.
b
c
If the output=2.85V, then the code is R1131x28xx5.
Designation of Chip Enable Option :
A:“L” active type.
B:“H” active type.
D:"H" active and with auto discharge function
Designation of Taping Type : TR
d
e
Refer to Taping Specifications
Designation of composition of plating:
−F : Lead free plating (SOT-23-5,SON-6,HSON-6)
2
R1131x
PIN CONFIGURATIONS
ꢀSOT-23-5
ꢀSON-6
ꢀHSON-6
Bottom View
Top View
Bottom View
Top View
5
4
6 5 4
4 5 6
6
1
5
4
4
5
6
∗
∗
∗
(mark side)
∗
∗
1 2 3
3 2 1
2
3
3
2
1
PIN DESCRIPTIONS
• SOT-23-5
• SON-6,HSON-6
Pin No.
Symbol
VDD
Description
Input Pin
Pin No.
Symbol
VDD
Description
Input Pin
1
2
3
4
5
1
2
3
4
5
6
GND
Ground Pin
NC
No Connection
Output pin
Chip Enable Pin
No Connection
Output pin
VOUT
NC
CE
or CE
NC
No Connection
Ground Pin
VOUT
GND
Chip Enable Pin
CE
or CE
∗ Tab or Tab suspension Ieads in the
parts have
GND level.
(They are connected to the reverse side of this IC.)
Do not connect to other wires or land patterns.
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
Item
Rating
6.5
Unit
V
Input Voltage
Input Voltage(
VCE
V
−0.3 to 6.5
−0.3 to VIN+0.3
350
CE
/CE Pin)
VOUT
IOUT
Output Voltage
Output Current
V
mA
Power Dissipation (SOT23-5)*1
Power Dissipation (SON-6)*1
Power Dissipation (HSON-6)*1
Operating Temperature Range
Storage Temperature Range
420
PD
mW
500
900
Topt
Tstg
−40 to 85
−55 to 125
°C
°C
*1) For Power Dissipation please refer to PACKAGE INFORMATION to be described.
3
R1131x
ELECTRICAL CHARACTERISTICS
• R1131xxxxA
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max. Unit
V
mV
mA
VOUT < 1.8V
×0.98
−30
300
×1.02
+30
VIN=Set VOUT+1V
VOUT
Output Voltage
<
1µA
IOUT
30mA
=
=
VOUT
1.8V
=
IOUT
Output Current
Load Regulation
Dropout Voltage
VIN −VOUT=1.0V
∆VOUT/
VIN=Set VOUT+1V,
40
70
mV
<
1mA
IOUT
300mA
∆IOUT
=
=
VDIF
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
80
111
VIN=Set VOUT+1V,VOUT < 1.8V
µA
ISS1
Supply Current
>
60
0.1
90
1.0
VIN=Set VOUT+1V,VOUT 1.8V
µA
µA
=
Istandby Supply Current (Standby)
VIN=VCE=Set VOUT+1V
IOUT=30mA
∆VOUT/
Line Regulation
∆VIN
0.01
65
0.15
6.0
%/V
VOUT+0.5V
VIN
6.0V(VOUT > 0.9V)
=
=
1.4V VIN 6.0V(VOUT 0.9V)
=
=
=
f=1kHz, Ripple 0.2Vp-p
VIN=Set VOUT+1V,IOUT=30mA
RR
Ripple Rejection
Input Voltage
dB
V
VIN
1.4
ppm
∆VOUT/ Output Voltage
IOUT=30mA
±100
Temperature Coefficient
Short Current Limit
/°C
∆Topt
Ilim
−40°C Topt 85°C
=
=
50
5.0
mA
MΩ
V
VOUT=0V
RPU
1.87
1.0
0.0
12.0
6.0
0.3
CE
CE
CE
Pull-up Resistance
Input Voltage “H”
Input Voltage “L”
VCEH
VCEL
en
V
Output Noise
30
BW=10Hz to 100kHz
µVrms
4
R1131x
• R1131xxxxB/D
Topt=25°C
Symbol
Item
Conditions
Min.
Typ. Max. Unit
V
mV
mA
VOUT < 1.8V
×0.98
−30
300
×1.02
+30
VIN=Set VOUT+1V
VOUT
Output Voltage
1µA
IOUT
30mA
=
=
VOUT
1.8V
=
IOUT
Output Current
Load Regulation
Dropout Voltage
VIN−VOUT=1.0V
∆VOUT/
VIN=Set VOUT+1V
40
70
mV
1mA
IOUT
300mA
∆IOUT
=
=
VDIF
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
80
111
VIN=Set VOUT+1V,VOUT < 1.8V
µA
ISS1
Supply Current
>
60
0.1
90
1.0
VIN=Set VOUT+1V,VOUT 1.8V
µA
µA
=
Istandby Supply Current (Standby)
VIN=Set VOUT+1V, VCE=GND
IOUT=30mA
∆VOUT/
Line Regulation
∆VIN
0.01
65
0.15
6.0
%/V
VOUT+0.5V
VIN
6.0V(VOUT > 0.9V)
=
=
1.4V VIN 6.0V(VOUT 0.9V)
=
=
=
f=1kHz, Ripple 0.2Vp-p
VIN=Set VOUT+1V,IOUT=30mA
RR
Ripple Rejection
Input Voltage
dB
V
VIN
1.4
ppm
∆VOUT/ Output Voltage
IOUT=30mA
±100
Temperature Coefficient
/°C
∆Topt
Ilim
−40°C Topt 85°C
=
=
Short Current Limit
CE Pull-down Resistance
CE Input Voltage “H”
CE Input Voltage “L”
Output Noise
50
5.0
mA
MΩ
V
VOUT=0V
RPD
VCEH
VCEL
en
1.87
1.0
0.0
12.0
VIN
0.3
V
30
60
BW=10Hz to 100kHz
VCE=0V
µVrms
Nch On Resistance for auto
RLOW
discharge
Ω
(applied to D version only)
• Electrical Characteristics by Output Voltage
Dropout Voltage VDIF (mV)
Output Voltage
VOUT (V)
Condition
Typ.
Max.
620
550
480
310
230
850
780
700
450
350
0.8=VOUT
0.9=VOUT
<
IOUT=300mA
1.0 VOUT < 1.5
=
<
1.5 VOUT < 2.6
=
<
<
2.6
VOUT
3.3
=
=
5
R1131x
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, be sure to use a 1.0µF or more capacitor COUT with good frequency characteristics and ESR
(Equivalent Series Resistance).
(Note: If a tantalum capacitor is connected to the Output pin for phase compensation, if the ESR value of the
capacitor is too large, the operation might be unstable. Because of this, test these ICs with as same external
components as ones to be used on the PCB.)
Chip capacitor characteristics of Bias dependence and Temperature characteristics may vary depending on its
size, manufacturer, and part number.
PCB Layout
Make VDD and GND lines sufficient. If their impedance is high, pick-up the noise or unstable operation may
result. Connect a capacitor with as much as 1.0mF capacitor between VDD and GND pin as close as possible.
Set external components, especially the output capacitor, as close as possible to the ICs, and make wiring as
short as possible.
TYPICAL APPLICATION
IN
OUT
VDD
OUT
R1131x
Series
C1
C2
GND
CE ⋅ CE
<External Components examples>
CM05X5R105K06AB (Kyocera)
C1005JBOJ105K (TDK)
GRM155B30J105KE18B (Murata)
Output Capacitor; 1.0µF or more capacity ceramic Type
(If VOUT < 1.0V, Tantalum Type is recommended)
Input Capacitor, 1.0µF or more capacity ceramic Type
6
R1131x
TEST CIRCUIT
VDD
OUT
VDD
OUT
OUT
ISS
A
R1131x
Series
R1131x
Series
C1
C2
C1
C2
IOUT VOUT
GND
GND
V
CE ⋅ CE
CE ⋅ CE
OUT
∗ C1=C2=Tantalum V <1.0V)
OUT
∗ C1=C2=Tantalum V <1.0V)
OUT
C1=C2=Ceramic1.0µF (V
1.0V)
=
OUT
C1=C2=Ceramic1.0µF (V
1.0V)
=
Standard Test Circuit
Supply Current Test Circuit
Pulse
Pulse
VDD
OUT
VDD
OUT
Generator
Generator
R1131x
Series
GND
R1131x
Series
GND
P.G
P.G
C2
C2
IOUT
IOUT
CE ⋅ CE
CE ⋅ CE
OUT
OUT
∗ C2=Tantalum V <1.0V)
∗ C2=Tantalum V <1.0V)
OUT
OUT
C2=Ceramic1.0µF (V
1.0V)
C2=Ceramic1.0µF (V
1.0V)
=
=
Ripple Rejection, Line Transient Response
Test Circuit
Load Transient Response Test Circuit
VDD
OUT
R1131x
Series
GND
C1
C2
IOUT
∗ Input signal waveform
to CE pin is shown below.
Pulse
Generato
OUT
Set V
+10V
CE ⋅ CE
0 V
OUT
∗ C1=C2=Tantalum V <1.0V)
>
OUT
C1=C2=Ceramic1.0µF (V
1.0V)
=
Turn on Speed vifh CE pin Test Circuit
7
R1131x
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1131x08xx
1.0
R1131x15xx
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.9
V
IN =2.8V
3.5V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2.5V
1.45V
2.0V
V
IN =1.8V
0
100 200
300 400 500
600
0
100 200 300 400 500
Output Current lOUT(mA)
600
Output Current lOUT(mA)
R1131x26xx
R1131x33xx
3.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.0
2.5
2.0
1.5
1.0
0.5
0
5.3V
4.3V
4.6V
3.8V
3.6V
3.1V
V
IN =3.6V
V
IN =2.9V
0
100 200
300 400 500
600
0
100 200
300 400 500
600
Output Current lOUT(mA)
Output Current lOUT(mA)
2) Output Voltage vs. Input Voltage
R1131x08xx
R1131x15xx
1.0
0.9
0.8
0.7
0.6
0.5
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
IOUT= 1mA
IOUT=30mA
IOUT=50mA
IOUT= 1mA
0.4
0.3
0.2
0.1
0
IOUT=30mA
IOUT=50mA
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
8
R1131x
R1131x26xx
R1131x33xx
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
I
I
I
OUT= 1mA
OUT=30mA
OUT=50mA
I
I
I
OUT= 1mA
OUT=30mA
OUT=50mA
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
3) Supply Current vs. Input Voltage
R1131x08xx
R1131x15xx
90
100
90
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
R1131x26xx
R1131x33xx
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
9
R1131x
4) Output Voltage vs. Temperature
R1131x08xx
R1131x15xx
0.84
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
0.83
0.82
0.81
0.80
0.79
0.78
0.77
-40 -25
0
25
50
75 85
-40 -25
0
25
50
75 85
Temperature Topt(°C)
Temperature Topt(°C)
R1131x26xx
R1131x33xx
3.37
3.35
3.33
3.31
3.29
3.27
3.25
3.23
2.64
2.63
2.62
2.61
2.60
2.59
2.58
2.57
-40 -25
0
25
50
75 85
-40 -25
0
25
50
75 85
Temperature Topt(°C)
Temperature Topt(°C)
5) Supply Current vs. Temperature
R1131x08xx
R1131x15xx
110
100
90
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
-40 -25
0
25
50
75 85
-40 -25
0
25
50
75 85
Temperature Topt(°C)
Temperature Topt(°C)
10
R1131x
R1131x26xx
R1131x33xx
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
-40 -25
0
25
50
75 85
-40 -25
0
25
50
75 85
Temperature Topt(°C)
Temperature Topt(°C)
6) Dropout Voltage vs. Output Current
R1131x08xx
R1131x09xx
0.8
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
85°C
25°C
-40°C
0.7
0.6
0.5
0.4
85°C
25°C
0.3
0.2
0.1
0
-40°C
0
50
100
150 200 250 300
0
50
100
150 200 250 300
Output Current IOUT(mA)
Output Current IOUT(mA)
R1131x10xx
R1131x15xx
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
85°C
25°C
-40°C
85°C
25°C
-40°C
0
50
100
150 200 250 300
0
50
100
150 200 250 300
Output Current IOUT(mA)
Output Current IOUT(mA)
11
R1131x
R1131x26xx
R1131x33xx
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0.40
85°C
25°C
-40°C
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
85°C
25°C
-40°C
0
50
100
150 200 250 300
0
50
100
150 200 250 300
Output Current IOUT(mA)
Output Current IOUT(mA)
7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
R1131xxx1x
0.80
I
OUT=10mA
30mA
50mA
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0
100mA
200mA
300mA
0.5
1
1.5
2
2.5
3
3.5
Set Output Voltage VREG(V)
8) Ripple Rejection vs. Input Bias (Topt=25°C CIN=none, COUT=Ceramic 1.0µF Ripple 0.2VP-P)
R1131x26xx (IOUT=1mA)
R1131x26xx (IOUT=30mA)
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
f = 400Hz
f = 400Hz
f = 1kHz
f = 10kHz
f = 100kHz
f = 1kHz
f = 10kHz
f = 100kHz
2.6
2.7
2.8
2.9
3.0
3.1
3.2
2.6
2.7
2.8
2.9
3.0
3.1
3.2
Input Voltage VIN(V)
Input Voltage VIN(V)
12
R1131x
R1131x26xx (IOUT=50mA)
80
70
60
50
40
30
20
10
0
f = 400Hz
f = 1kHz
f = 10kHz
f = 100kHz
2.6
2.7
2.8
2.9
3.0
3.1
3.2
Input Voltage VIN(V)
9) Ripple Rejection vs. Frequency (CIN=none)
R1131x08xx
R1131x08xx
V
IN=1.8VDC+0.2Vp-p,
V
IN=1.8VDC+0.2Vp-p,
C
OUT=Tantalum 2.2µF
C
OUT=Tantalum 1.0µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
I
I
I
OUT
= 1mA
I
I
I
OUT
= 1mA
OUT = 30mA
OUT = 50mA
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
R1131x10xx
R1131x10xx
V
IN=2.0VDC+0.2Vp-p,
V
IN=2.0VDC+0.2Vp-p,
C
OUT=Ceramic 2.2µF
C
OUT=Ceramic 1.0µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
I
I
I
OUT
= 1mA
I
I
I
OUT
= 1mA
OUT = 30mA
OUT = 50mA
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
13
R1131x
R1131x15xx
R1131x15xx
V
IN=2.5VDC+0.2Vp-p,
V
IN=2.5VDC+0.2Vp-p,
C
OUT=Ceramic 1.0µF
C
OUT=Ceramic 2.2µF
100
100
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
I
I
I
OUT
= 1mA
I
I
I
OUT
= 1mA
OUT = 30mA
OUT = 50mA
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
100
100
Frequency f(kHz)
Frequency f(kHz)
R1131x26xx
R1131x26xx
V
IN=3.6VDC+0.2Vp-p,
V
IN=3.6VDC+0.2Vp-p,
COUT=Ceramic 1.0µF
COUT=Ceramic 2.2µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
I
I
I
OUT
= 1mA
I
I
I
OUT
= 1mA
OUT = 30mA
OUT = 50mA
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
Frequency f(kHz)
Frequency f(kHz)
R1131x33xx
R1131x33xx
V
IN=4.3VDC+0.2Vp-p,
V
IN=4.3VDC+0.2Vp-p,
COUT=Ceramic 1.0µF
C
OUT=Ceramic 2.2µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
I
I
I
OUT
=
1mA
I
I
I
OUT
= 1mA
OUT = 30mA
OUT = 50mA
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
Frequency f(kHz)
Frequency f(kHz)
14
R1131x
10) Input Transient Response (CIN=none, tr=tf=5µs)
R1131x08xx
R1131x10x
I
OUT=30mA,
I
OUT=30mA,
C
OUT=Ceramic 1.0µF
C
OUT=Tantalum 1.0µF
4
3
2
1
4
3
2
1
Input Voltage
Input Voltage
1.02
1.00
0.98
0.96
0.82
0.80
0.78
0.76
Output Voltage
Output Voltage
0
10 20 30 40 50 60 70 80 90 100
0
10 20 30 40 50 60 70 80 90 100
Time t(µs)
Time t(µs)
R1131x26xx
I
OUT=30mA,
C
OUT=Ceramic 1.0µF
5
4
3
Input Voltage
2.62
2.60
2.58
2.56
Output Voltage
0
10 20 30 40 50 60 70 80 90 100
Time t(µs)
11) Load Transient Response (tr=tf=0.5µs)
R1131x08xx
R1131x08xx
V
IN=1.8V CIN=Tantalum 1.0µF,
V
IN=1.8V CIN=Tantalum 1.0µF,
COUT=Tantalum 2.2µF
COUT=Tantalum 1.0µF
150
100
50
60
30
0
Output Current
Output Voltage
Output Current
Output Voltage
0
0.9
0.8
0.7
0.6
0.9
0.8
0.7
0.6
0
0
5
10 15 20 25 30 35 40
5
10 15 20 25 30 35 40
Time t(µs)
Time t(µs)
15
R1131x
R1131x10xx
R1131x10xx
V
IN=2.0V CIN=Ceramic 1.0µF,
OUT=Ceramic 1.0µF
V
IN=2.0V CIN=Ceramic 1.0µF,
OUT=Ceramic 2.2µF
C
C
150
100
50
150
100
50
Output Current
Output Voltage
Output Current
Output Voltage
0
1.1
1.0
0.9
0
1.1
1.0
0.9
0.8
0.8
0
5
10 15 20 25 30 35 40
0
0
0
5
5
5
10 15 20 25 30 35 40
Time t(µs)
Time t(µs)
R1131x10xx
R1131x10xx
V
IN=2.0V CIN=Ceramic 1.0µF,
V
IN=2.0V CIN=Ceramic 1.0µF,
COUT=Ceramic 2.2µF
COUT=Ceramic 1.0µF
60
30
0
60
30
0
Output Current
Output Current
1.1
1.0
0.9
0.8
1.1
1.0
0.9
Output Voltage
Output Voltage
0.8
0
10 15 20 25 30 35 40
5
10 15 20 25 30 35 40
Time t(µs)
Time t(µs)
R1131x26xx
R1131x26xx
VIN=3.6V CIN=Ceramic 1.0µF,
V
IN=3.6V CIN=Ceramic 1.0µF,
C
OUT=Ceramic 1.0µF
COUT=Ceramic 2.2µF
150
100
50
150
100
50
Output Current
Output Voltage
Output Current
Output Voltage
0
0
2.7
2.6
2.5
2.7
2.6
2.5
2.4
2.4
0
5
10 15 20 25 30 35 40
10 15 20 25 30 35 40
Time t(µs)
Time t(µs)
16
R1131x
R1131x26xx
R1131x26xx
V
IN=3.6V CIN=Ceramic 1.0µF,
OUT=Ceramic 2.2µF
V
IN=3.6V CIN=Ceramic 1.0µF,
OUT=Ceramic 1.0µF
C
C
60
30
0
60
30
0
Output Current
Output Current
2.7
2.6
2.5
2.4
2.7
2.6
2.5
2.4
Output Voltage
Output Voltage
0
5
10 15 20 25 30 35 40
0
5
10 15 20 25 30 35 40
Time t(µs)
Time t(µs)
12) Turn on speed with CE pin
R1131x08xx
R1131x08xx
V
IN=1.8V CIN=Tantalum 1.0µF,
OUT=Tantalum 1.0µF
VIN=1.8V CIN=Tantalum 1.0µF,
C
COUT=Tantalum 1.0µF
2.7
1.8
0.9
0
2.7
1.8
0.9
0
CE Input Voltage
CE Input Voltage
0V→1.8V
0V→1.8V
Output Voltage
Output Voltage
1.0
0.5
0
1.0
0.5
0
IOUT=0mA
IOUT=30mA
0
10 20 30 40 50 60 70
0
10 20 30 40 50 60 70
Time t(µs)
Time t(µs)
R1131x08xx
R1131x33xx
V
IN=4.3V CIN=Ceramic 1.0µF,
OUT=Ceramic 1.0µF
V
IN=1.8V CIN=Tantalum 1.0µF,
OUT=Tantalum 1.0µF
C
C
6
4
2
0
2.7
1.8
0.9
0
CE Input Voltage
CE Input Voltage
0V→4.3V
0V→1.8V
4
3
2
1
0
Output Voltage
1.0
0.5
0
Output Voltage
I
OUT=0mA
IOUT=300mA
0
10 20 30 40 50 60 70
0
20 40 60 80 100 120 140
Time t(µs)
Time t(µs)
17
R1131x
R1131x33xx (ECO=H)
R1131x33xx (ECO=L)
V
IN=4.3V CIN=Ceramic 1.0µF,
OUT=Ceramic 1.0µF
V
IN=4.3V CIN=Ceramic 1.0µF,
C
C
OUT=Ceramic 1.0µF
6
4
2
0
6
4
2
0
CE Input Voltage
CE Input Voltage
0V→4.3V
0V→4.3V
4
3
2
1
0
4
3
2
1
0
Output Voltage
Output Voltage
IOUT=30mA
I
OUT=300mA
0
20 40 60 80 100 120 140
0
20 40 60 80 100 120 140
Time t(µs)
Time t(µs)
13) Turn-off Speed with CE
R1131x08xD
R1131x08xD
V
IN=1.8V CIN=Tantalum 1.0µF,
OUT=Tantalum 1.0µF
V
IN=1.8V CIN=Tantalum 1.0µF,
C
C
OUT=Tantalum 1.0µF
2.4
2.4
1.8
1.2
0.6
0
1.8
1.2
0.6
0
CE Input Voltage
1.8V→0V
CE Input Voltage
1.8V→0V
1.0
0.5
0
1.0
0.5
0
Output Voltage
Output Voltage
IOUT=0mA
I
OUT=30mA
0
0.2 0.4 0.6 0.8 1.0 1.2
Time t(ms)
0
0.2 0.4 0.6 0.8 1.0 1.2
Time t(ms)
R1131x08xD
R1131x33xD
V
IN=4.3V CIN=Ceramic 1.0µF,
V
IN=1.8V CIN=Tantalum 1.0µF,
C
OUT=Ceramic 1.0µF
C
OUT=Tantalum 1.0µF
5
4
3
2
1
0
2.4
1.8
1.2
0.6
0
CE Input Voltage
4.3V→0V
CE Input Voltage
1.8V→0V
4
3
2
1
0
1.0
0.5
0
Output Voltage
Output Voltage
OUT=300mA
I
IOUT=0mA
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
Time t(ms)
0
0.2 0.4 0.6 0.8 1.0 1.2
Time t(ms)
18
R1131x
R1131x33xD
R1131x33xD
V
IN=4.3V CIN=Ceramic 1.0µF,
V
IN=4.3V CIN=Ceramic 1.0µF,
OUT=Ceramic 1.0µF
C
OUT=Ceramic 1.0µF
C
5
4
3
2
1
0
5
4
3
2
1
0
CE Input Voltage
4.3V→0V
CE Input Voltage
4.3V→0V
4
3
2
1
0
4
3
2
1
0
Output Voltage
Output Voltage
I
OUT=30mA
I
OUT=300mA
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
Time t(ms)
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
Time t(ms)
19
R1131x
ESR vs. Output Current
When using these ICs, consider the following points:
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, be sure to use a capacitor COUT with good frequency characteristics and ESR (Equivalent Series
Resistance) of which is in the range described as follows:
The relations between IOUT (Output Current) and ESR of 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.
<Test conditions>
(1) Frequency band: 10Hz to 2MHz
(2) Temperature: 25°C
R1131x08xx
R1131x10xx
VIN=1.4V to 6.0V,
CIN=Ceramic 1.0VµF COUT=Ceramic 1.0µF
V
IN=1.4V to 6.0V,
C =Ceramic 1.0VµF COUT=Ceramic 1.0µF
IN
100
10
1
100
10
1
0.1
0.1
0.01
0.01
0
50
100
150 200 250
300
0
50
100
150 200 250
300
Output Current lOUT (mA)
Output Current lOUT (mA)
R1131x26xx
R1131x15xx
VIN=2.0V to 6.0V,
VIN=3.0V to 6.0V,
CIN=Ceramic 1.0VµF COUT=Ceramic 1.0µF
CIN=Ceramic 1.0VµF COUT=Ceramic 1.0µF
100
10
1
100
10
1
0.1
0.1
0.01
0.01
0
50
100
150 200 250
300
0
50
100
150 200 250
300
Output Current lOUT (mA)
Output Current lOUT (mA)
20
R1131x
R1131x33xx
VIN=3.6V to 6.0V,
CIN=Ceramic 1.0VµF COUT=Ceramic 1.0µF
100
10
1
0.1
0.01
0
50
100
150 200 250
300
Output Current lOUT (mA)
21
PE-SON-6-0611
PACKAGE INFORMATION
• SON-6
Unit: mm
PACKAGE DIMENSIONS
1.6 0.2
6
4
3
1
Bottom View
Attention: Tab suspension leads in the
parts have VDD or GND level.(They are
connected to the reverse side of this IC.)
Refer to PIN DISCRIPTION.
Do not connect to other wires or land patterns.
0.1
0.2 0.1
0.5
TAPING SPECIFICATION
4.0 0.1
+0.1
0
∅
1.5
2.0 0.05
0.2 0.1
1.9
4.0 0.1
1.7Max.
∅1.1 0.1
TR
User Direction of Feed
TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc)
(1reel=3000pcs)
11.4 1.0
9.0 0.3
2 0.5
21 0.8
PE-SON-6-0611
PACKAGE INFORMATION
POWER DISSIPATION (SON-6)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
Measurement Conditions
Standard Land Pattern
Environment
Board Material
Board Dimensions
Copper Ratio
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
40mm × 40mm × 1.6mm
Top side : Approx. 50% , Back side : Approx. 50%
Through-hole
φ0.5mm × 44pcs
Measurement Result
(Topt=25°C,Tjmax=125°C)
Standard Land Pattern
500mW
θja=(125−25°C)/0.5W=200°C/W
Free Air
250mW
-
Power Dissipation
Thermal Resistance
600
On Board
40
500
400
300
200
100
0
Free Air
250
0
25
50
75 85 100
125
150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area (Unit : mm)
RECOMMENDED LAND PATTERN
0.25
0.5
(Unit: mm)
PE-HSON-6-0611
PACKAGE INFORMATION
• HSON-6
Unit: mm
PACKAGE DIMENSIONS
2.9 0.2
0.5Typ.
(1.5)
4
6
3
1
Bottom View
Attention: Tab suspension leads in the
parts have VDD or GND level.(They are
connected to the reverse side of this IC.)
Refer to PIN DISCRIPTION.
0.1
0.1
0.95
Do not connect to other wires or land patterns.
0.3 0.1
M
TAPING SPECIFICATION
4.0 0.1
+0.1
0
∅1.5
0.2 0.1
2.0 0.05
3.3
4.0 0.1
2.0Max.
∅1.1 0.1
TR
User Direction of Feed
TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc)
(1reel=3000pcs)
11.4 1.0
9.0 0.3
2 0.5
21 0.8
PE-HSON-6-0611
PACKAGE INFORMATION
POWER DISSIPATION (HSON-6)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
Measurement Conditions
Standard Land Pattern
Environment
Board Material
Board Dimensions
Copper Ratio
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
40mm × 40mm × 1.6mm
Top side : Approx. 50% , Back side : Approx. 50%
Through-hole
φ0.5mm × 44pcs
Measurement Result
(Topt=25°C,Tjmax=125°C)
Standard Land Pattern
900mW
Free Air
400mW
Power Dissipation
Thermal Resistance
θja=(125−25°C)/0.9W=111°C/W
250°C/W
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
On Board
40
Free Air
0
25
50
75 85 100
125
150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area Unit : mm
RECOMMENDED LAND PATTERN
0.35
0.95
1.6
(Unit: mm)
PE-SOT-23-5-0610
PACKAGE INFORMATION
• SOT-23-5 (SC-74A)
Unit: mm
PACKAGE DIMENSIONS
2.9 0.2
1.9 0.2
+0.2
−0.1
1.1
(0.95)
(0.95)
0.8 0.1
5
4
0 to 0.1
1
2
3
+0.1
−0.05
0.15
0.4 0.1
TAPING SPECIFICATION
4.0±0.1
+0.1
0
φ1.5
2.0±0.05
0.3±0.1
3.3
4.0±0.1
2.0Max.
∅1.1 0.1
TR
User Direction of Feed
TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc)
(1reel=3000pcs)
11.4 1.0
9.0 0.3
2 0.5
21 0.8
PE-SOT-23-5-0610
PACKAGE INFORMATION
POWER DISSIPATION (SOT-23-5)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
(Power Dissipation (SOT-23-5) is substitution of SOT-23-6.)
Measurement Conditions
Standard Land Pattern
Environment
Board Material
Board Dimensions
Copper Ratio
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
40mm × 40mm × 1.6mm
Top side : Approx. 50% , Back side : Approx. 50%
Through-hole
φ0.5mm × 44pcs
Measurement Result
(Topt=25°C,Tjmax=125°C)
Standard Land Pattern
420mW
Free Air
250mW
Power Dissipation
Thermal Resistance
θja=(125−25°C)/0.42W=263°C/W
400°C/W
600
40
500
On Board
420
400
Free Air
300
250
200
100
0
0
25
50
75 85 100
125
150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area Unit : mm
RECOMMENDED LAND PATTERN
0.7 MAX.
1.0
2.4
0.95
1.9
0.95
(Unit: mm)
ME-R1131Dxx1-0609
MARK INFORMATION
R1131Dxx1x SERIES MARK SPECIFICATION
• SON-6
1
3
2
4
,
,
: Product Code (refer to Part Number vs. Product Code)
: Lot Number
1
3
2
4
•
Part Number vs. Product Code
Product Code
Product Code
Product Code
Part Number
Part Number
Part Number
1
2
1
2
1
2
R1131D081A
R1131D091A
R1131D101A
R1131D111A
R1131D121A
R1131D131A
R1131D141A
R1131D151A
R1131D161A
R1131D171A
R1131D181A
R1131D191A
R1131D201A
R1131D211A
R1131D221A
R1131D231A
R1131D241A
R1131D251A
R1131D261A
R1131D271A
R1131D281A
R1131D291A
R1131D301A
R1131D311A
R1131D321A
R1131D331A
R1131D181A5
R1131D281A5
R1131D121A5
F
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
R1131D081B
R1131D091B
R1131D101B
R1131D111B
R1131D121B
R1131D131B
R1131D141B
R1131D151B
R1131D161B
R1131D171B
R1131D181B
R1131D191B
R1131D201B
R1131D211B
R1131D221B
R1131D231B
R1131D241B
R1131D251B
R1131D261B
R1131D271B
R1131D281B
R1131D291B
R1131D301B
R1131D311B
R1131D321B
R1131D331B
R1131D181B5
R1131D281B5
R1131D121B5
L
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
R1131D081D
R1131D091D
R1131D101D
R1131D111D
R1131D121D
R1131D131D
R1131D141D
R1131D151D
R1131D161D
R1131D171D
R1131D181D
R1131D191D
R1131D201D
R1131D211D
R1131D221D
R1131D231D
R1131D241D
R1131D251D
R1131D261D
R1131D271D
R1131D281D
R1131D291D
R1131D301D
R1131D311D
R1131D321D
R1131D331D
R1131D181D5
R1131D281D5
R1131D121D5
R
R
S
S
S
S
S
S
S
S
S
S
T
T
T
T
T
T
T
T
T
T
U
U
U
U
V
V
V
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
F
L
G
G
G
G
G
G
G
G
G
G
H
H
H
H
H
H
H
H
H
H
J
M
M
M
M
M
M
M
M
M
M
N
N
N
N
N
N
N
N
N
N
P
J
P
J
P
J
P
K
K
K
Q
Q
Q
ME-R1131Dxx2-0609
MARK INFORMATION
R1131Dxx2 SERIES MARK SPECIFICATION
• HSON-6
1
: F (fixed)
2
4
5
3
6
,
,
: Setting Voltage
: Type (A, B,D)
: Lot Number
(refer to Part Number vs. Product Code)
1
4
2
5
3
6
•
Part Number vs. Product Code
Product Code
Product Code
Product Code
Part Number
Part Number
Part Number
1
2
3
4
1
2
3
4
1
2
3
4
R1131D082A
R1131D092A
R1131D102A
R1131D112A
R1131D122A
R1131D132A
R1131D142A
R1131D152A
R1131D162A
R1131D172A
R1131D182A
R1131D192A
R1131D202A
R1131D212A
R1131D222A
R1131D232A
R1131D242A
R1131D252A
R1131D262A
R1131D272A
R1131D282A
R1131D292A
R1131D302A
R1131D312A
R1131D322A
R1131D332A
R1131D182A5
R1131D282A5
R1131D122A5
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
0
0
0
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
R1131D082B
R1131D092B
R1131D102B
R1131D112B
R1131D122B
R1131D132B
R1131D142B
R1131D152B
R1131D162B
R1131D172B
R1131D182B
R1131D192B
R1131D202B
R1131D212B
R1131D222B
R1131D232B
R1131D242B
R1131D252B
R1131D262B
R1131D272B
R1131D282B
R1131D292B
R1131D302B
R1131D312B
R1131D322B
R1131D332B
R1131D182B5
R1131D282B5
R1131D122B5
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
0
0
0
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
R1131D082D
R1131D092D
R1131D102D
R1131D112D
R1131D122D
R1131D132D
R1131D142D
R1131D152D
R1131D162D
R1131D172D
R1131D182D
R1131D192D
R1131D202D
R1131D212D
R1131D222D
R1131D232D
R1131D242D
R1131D252D
R1131D262D
R1131D272D
R1131D282D
R1131D292D
R1131D302D
R1131D312D
R1131D322D
R1131D332D
R1131D182D5
R1131D282D5
R1131D122D5
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
0
0
0
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
ME-R1131N-0609
MARK INFORMATION
R1131N SERIES MARK SPECIFICATION
• SOT-23-5 (SC-74A)
1
4
2
5
3
,
,
,
: Product Code (refer to Part Number vs. Product Code)
: Lot Number
1
2
3
4
5
•
Part Number vs. Product Code
Product Code
Product Code
Product Code
Part Number
Part Number
Part Number
1
2
3
1
2
3
1
2
3
R1131N081A
R1131N091A
R1131N101A
R1131N111A
R1131N121A
R1131N131A
R1131N141A
R1131N151A
R1131N161A
R1131N171A
R1131N181A
R1131N191A
R1131N201A
R1131N211A
R1131N221A
R1131N231A
R1131N241A
R1131N251A
R1131N261A
R1131N271A
R1131N281A
R1131N291A
R1131N301A
R1131N311A
R1131N321A
R1131N331A
R1131N181A5
R1131N281A5
R1131N121A5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
0
0
0
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
R1131N081B
R1131N091B
R1131N101B
R1131N111B
R1131N121B
R1131N131B
R1131N141B
R1131N151B
R1131N161B
R1131N171B
R1131N181B
R1131N191B
R1131N201B
R1131N211B
R1131N221B
R1131N231B
R1131N241B
R1131N251B
R1131N261B
R1131N271B
R1131N281B
R1131N291B
R1131N301B
R1131N311B
R1131N321B
R1131N331B
R1131N181B5
R1131N281B5
R1131N121B5
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
0
0
0
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
R1131N081D
R1131N091D
R1131N101D
R1131N111D
R1131N121D
R1131N131D
R1131N141D
R1131N151D
R1131N161D
R1131N171D
R1131N181D
R1131N191D
R1131N201D
R1131N211D
R1131N221D
R1131N231D
R1131N241D
R1131N251D
R1131N261D
R1131N271D
R1131N281D
R1131N291D
R1131N301D
R1131N311D
R1131N321D
R1131N331D
R1131N181D5
R1131N281D5
R1131N121D5
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
0
0
0
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
0
1
2
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