R1111N241A-TL-FA [RICOH]
Fixed Positive LDO Regulator, 2.4V, 0.7V Dropout, CMOS, PDSO5, MINI, SOT-23, 5 PIN;
| 型号： | R1111N241A-TL-FA |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Fixed Positive LDO Regulator, 2.4V, 0.7V Dropout, CMOS, PDSO5, MINI, SOT-23, 5 PIN 光电二极管 输出元件 调节器 |
| 文件： | 总17页 (文件大小：210K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LOW NOISE 150mA LDO REGULATOR
NO. EA-057-0204
5ꢀꢀꢀꢀ1ꢁ6(5,(6
OUTLINE
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APPLICATIONS
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1
R1111N
BLOCK DIAGRAM
R1111Nxx1A
R1111Nxx1B
1
5
1
5
VDD
VOUT
V
DD
VOUT
Vref
Vref
Current Limit
Current Limit
CE
3
GND
2
CE
3
GND
2
SELECTION GUIDE
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Contents
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PIN CONFIGURATION
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PIN DESCRIPTION
Pin No.
Symbol
Description
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ELECTRICAL CHARACTERISTICS
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Symbol
Item
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Conditions
Min.
Typ.
Max.
Unit
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Typ.
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OPERATION
R1111Nxx1A
R1111Nxx1B
1
5
1
5
VDD
VOUT
V
DD
VOUT
R1
R2
R1
Vref
Vref
R2
Current Limit
Current Limit
CE
3
GND
CE
GND
2
3
2
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6
R1111N
TEST CIRCUITS
CE
CE
3
3
V
DD
V
OUT
V
DD
V
OUT
IN
OUT
IN
OUT
1
5
1
5
R1111Nxx1B Series
R1111Nxx1B Series
I
OUT
ISS
2.2µF
2.2µF
2
2
GND
GND
0.1µF
0.1µF
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
CE
3
CE
3
V
DD
VOUT
V
DD
VOUT
IN
OUT
IN
OUT
1
5
1
5
R1111Nxx1B Series
R1111Nxx1B Series
I
OUT
P. G
2
2
GND
GND
1µF
I1 I2
Fig.3 Ripple Rejection, Line Transient Response
Test Circuit
Fig.4 Load Transient Response Test Circuit
7
R1111N
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1111N181B
R1111N301B
Topt = 25°C
Topt = 25°C
3.5
3.0
2.5
2.0
1.5
1.0
2.0
5.0V
1.8
3.8V
1.6
1.4
1.2
1.0
0.8
0.6
0.4
4.0V
2.8V
2.3V
3.5V
V
IN = 3.3V
V
IN = 2.1V
200
0.5
0.0
0.2
0.0
0
100
300
400
500
0
100
200
300
400
500
Output Current IOUT (mA)
Output Current IOUT (mA)
R1111N401B
R1111N501B
Topt = 25°C
Topt = 25°C
6.0
5.0
4.0
3.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
7.0V
6.0V
5.0V
6.0V
5.5V
4.5V
V
IN = 4.3V
2.0
1.0
0.0
V
IN = 5.3V
0.5
0.0
0
100
200
300
400
500
0
100
200
300
400
500
Output Current IOUT (mA)
Output Current IOUT (mA)
2) Output Voltage vs. Input Voltage
R1111N181B
R1111N301B
Topt = 25°C
Topt = 25°C
3.1
3.0
2.9
2.8
2.0
1.9
I
OUT=1mA
I
OUT = 1mA
1.8
1.7
1.6
1.5
1.4
2.7
2.6
2.5
30mA
30mA
1.3
1.2
50mA
2.0 3.0
Input Voltage VIN (V)
50mA
3.0
2.0
4.0
5.0
6.0
7.0
8.0
1.0
4.0
5.0
6.0
7.0
8.0
Input Voltage VIN (V)
8
R1111N
R1111N401B
R1111N501B
Topt = 25°C
Topt = 25°C
5.5
5.0
4.5
4.0
3.5
4.5
4.0
3.5
I
OUT = 1mA
IOUT = 1mA
30mA
3.0
2.5
30mA
50mA
4.0
3.0
2.5
50mA
3.0
2.0
4.0
5.0
6.0
7.0
8.0
2.0
3.0
5.0
6.0
7.0
8.0
Intput Voltage VIN (V)
Intput Voltage VIN (V)
3) Dropout Voltage vs. Output Current
R1111N181B
R1111N301B
1.20
0.40
0.35
0.30
0.25
0.20
0.15
0.10
1.00
Topt = 85°C
Topt = 85°C
25°C
0.80
0.60
0.40
25°C
-40°C
-40°C
0.20
0.00
0.05
0.00
0
50
100
150
0
50
100
150
Output Current IOUT (mA)
Output Current IOUT (mA)
R1111N401B
R1111N501B
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.40
0.35
0.30
0.25
0.20
0.15
0.10
Topt = 85°C
Topt = 85°C
25°C
25°C
-40°C
-40°C
0.05
0.00
0.05
0.00
0
50
100
150
0
50
100
150
Output Current IOUT (mA)
Output Current IOUT (mA)
9
R1111N
4) Output Voltage vs. Temperature
R1111N181B
R1111N301B
V
IN = 2.8V
V
IN = 4.0V
I
OUT = 30mA
I
OUT = 30mA
1.90
3.10
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
2.92
2.90
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt (°C)
Temperature Topt (°C)
R1111N401B
R1111N501B
V
IN = 5.0V
V
IN = 6.0V
I
OUT = 30mA
I
OUT = 30mA
4.10
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
3.92
3.90
4.92
4.90
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt (°C)
Temperature Topt (°C)
5) Supply Current vs. Input Voltage
R1111N181B
R1111N301B
Topt = 25°C
Topt = 25°C
60
50
40
30
60
50
40
30
20
10
0
20
10
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Input Voltage VIN (V)
Input Voltage VIN (V)
10
R1111N
R1111N401B
R1111N501B
Topt = 25°C
Topt = 25°C
60
50
40
30
20
60
50
40
30
20
10
0
10
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Intput Voltage VIN (V)
Intput Voltage VIN (V)
6) Supply Current vs. Temperature
R1111N181B
R1111N301B
V
IN = 2.8V
VIN = 4.0V
50
45
40
35
30
50
45
40
35
30
25
20
25
20
-50
0
50
100
-50
0
50
100
Temperature Topt (°C)
Temperature Topt (°C)
R1111N401B
R1111N501B
V
IN = 6.0V
V
IN = 5.0V
50
50
45
40
35
30
45
40
35
30
25
20
25
20
-50
0
50
100
-50
0
50
100
Temperature Topt (°C)
Temperature Topt (°C)
11
R1111N
7) Dropout Voltage vs. Set Output Voltage
R1111Nxx1B
Topt = 25
1.0
0.9
IOUT = 150mA
IOUT = 100mA
IOUT = 50mA
IOUT = 30mA
IOUT = 10mA
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
2.0
3.0
4.0
5.0
Set Output Voltage Vreg (V)
8) Ripple Rejection vs. Frequency
R1111N181B
R1111N181B
VIN = 2.8VDC + 0.5Vp-p
COUT = tantal 2.2µF
V
IN = 2.8VDC + 0.5Vp-p
C
OUT = tantal 1.0µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT= 1mA
I
OUT = 1mA
IOUT = 30mA
IOUT = 50mA
I
OUT = 30mA
I
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequuency f (kHz)
Frequuency f (kHz)
R1121N301B
R1121N301B
VIN = 4VDC + 0.5Vp-p
V
IN = 4VDC + 0.5Vp-p
COUT = tantal 2.2µF
C
OUT = tantal 1.0µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT = 1mA
I
I
I
OUT = 1mA
OUT = 30mA
OUT = 50mA
IOUT = 30mA
IOUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequuency f (kHz)
Frequuency f (kHz)
12
R1111N
R1111N401B
R1111N401B
V
IN = 5.0VDC + 0.5Vp-p
V
IN = 5.0VDC + 0.5Vp-p
COUT = tantal 1.0µF
C
OUT = tantal 2.2µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
I
I
I
OUT = 1mA
OUT = 30mA
OUT = 50mA
I
OUT= 1mA
I
I
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequeney f (kHz)
Frequeney f (kHz)
9) Ripple Rejection vs. Input Voltage (DC bias)
R1111N301B
R1111N301B
I
OUT = 10mA
I
C
OUT = 1mA
OUT = 2.2µF
C
OUT = 2.2µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
f = 400Hz
f = 1kHz
f = 10kHz
3.4
f = 400Hz
f = 1kHz
f = 10kHz
3.1
3.2
3.3
Input Voltage VIN (V)
3.5
3.1
3.2
3.3
Input Voltage VIN (V)
3.4
3.5
R1111N301B
IOUT = 50mA
COUT = 2.2µF
80
f = 400Hz
f = 1kHz
70
60
50
40
30
20
10
0
f = 10kHz
3.1
3.2
3.3
3.4
3.5
Input Voltage VIN (V)
13
R1111N
10) Line Transient Response
R1111N301B
I
OUT=30mA
tr=tf=5 µs
OUT=Tantalum 1.0µF
C
3.4
3.3
3.2
6
5
4
Input Voltage
3
2
1
0
3.1
3.0
Output Voltage
2.9
2.8
0
20
40
60
80
100
120
Time t (µs)
R1111N301B
I
OUT=30mA
tr=tf=5 µs
OUT=Tantalum 2.2µF
C
3.4
3.3
3.2
6
5
4
3
2
1
0
Input Voltage
3.1
3.0
Output Voltage
2.9
2.8
0
20
40
60
80
100
120
Time t (µs)
R1111N301B
IOUT=30mA
tr=tf=5 µs
C
OUT=Tantalum 4.7µF
3.4
3.3
3.2
6
5
4
3
2
1
0
Input Voltage
3.1
3.0
Output Voltage
2.9
2.8
0
20
40
60
80
100
120
Time t (µs)
14
R1111N
11) Load Transient Response
R1111N301B
VIN=4V
C
C
IN=Tantalum 1µF
OUT=Tantalum 1.0µF
3.4
3.3
3.2
150
100
50
Output Current
Output Voltage
0
3.1
3.0
-50
-100
-150
2.9
2.8
10
0
0
0
2
2
2
4
4
4
6
6
6
8
8
8
12
14
16
18
20
20
20
Time t (µs)
R1111N301B
V
C
C
IN=4V
IN=Tantalum 1µF
OUT=Tantalum 2.2µF
3.4
3.3
3.2
150
100
50
Output Current
0
3.1
3.0
Output Voltage
-50
-100
-150
2.9
2.8
10
12
14
16
18
Time t (µs)
R1111N301B
V
C
C
IN=4V
IN=Tantalum 1µF
OUT=Tantalum 4.7µF
3.4
3.3
3.2
150
100
50
Output Current
0
3.1
3.0
Output Voltage
-50
-100
-150
2.9
2.8
10
12
14
16
18
Time t (µs)
15
R1111N
TECHNICAL NOTES
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3
1
5
V
OUT
CE
Ceramic
Capacitor
R1111N301B
Spectrum
Analyzer
S.A.
ESR
VIN
GND
2
V
IN
I
OUT
Ceramic Capacitor 1µF
Measuring Circuit for white noise;R1111N301B
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+QRWHꢎꢀ:KHQꢀWKHꢀDGGLWLRQDOꢀFHUDPLFꢀFDSDFLWRUVꢀDUHꢀFRQQHFWHGꢀWRꢀWKHꢀRXWSXWꢀSLQꢀZLWKꢀRXWSXWꢀFDSDFLWRUꢀIRUꢀSKDVHꢀFRPꢂ
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R1111N301B
R1111N301B
Ceramic 2.2µF
Ceramic 1.0µF
100.0
100.0
10.0
10.0
1.0
1.0
0.1
0.1
0
50
100
150
0
50
100
150
Output Current IOUT (mA)
Output Current IOUT (mA)
16
R1111N
• 0DNHꢀ9''ꢀDQGꢀ*1'ꢀOLQHVꢀVXIILFLHQWꢄꢀ,IꢀWKHLUꢀLPSHGDQFHꢀLVꢀKLJKꢃꢀQRLVHꢀSLFNꢀXSꢀRUꢀLQFRUUHFWꢀRSHUDWLRQꢀPD\ꢀUHVXOWꢄ
• &RQQHFWꢀWKHꢀFDSDFLWRUꢀZLWKꢀDꢀFDSDFLWDQFHꢀRIꢀꢁµ)ꢀRUꢀPRUHꢀEHWZHHQꢀ9''ꢀDQGꢀ*1'ꢀDVꢀFORVHꢀDVꢀSRVVLEOHꢄ
• 6HWꢀH[WHUQDOꢀFRPSRQHQWVꢃꢀHVSHFLDOO\ꢀWKHꢀRXWSXWꢀFDSDFLWRUꢃꢀDVꢀFORVHꢀDVꢀSRVVLEOHꢀWRꢀWKHꢀ,&VꢀDQGꢀPDNHꢀZLULQJꢀDVꢀVKRUWꢀDV
SRVVLEOHꢄ
TYPICAL APPLICATION
CE
CE
IN
V
DD
VOUT
OUT IN
V
DD
V
OUT
OUT
R1111Nxx1A
GND
R1111Nxx1B
GND
Cap.
Cap.
Cap.
Cap.
17
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