R1171S151A Datasheet, PDF (14/36 Pages) RICOH electronics devices division – 2.0A/1.5A LDO REGULATOR

R1172x
R1172x301x
250
200
150
100
50
0
0
85°C
25°C
-40°C
200 400 600 800 1000
Output Current IOUT(mA)
7) Dropout Voltage vs. Set Output Voltage
800
700
600
500
400
300
200
100
0
0
R1172xxx1x
100mA
200mA
400mA
600mA
800mA
1000mA
1
2
3
4
5
Set Output Voltage VREG(V)
200
180
160
140
120
100
80
60
40
20
0
0
R1172x501x
85°C
25°C
-40°C
200 400 600 800 1000
Output Current IOUT(mA)
8) 0.8V Output type, Operating Input Voltage Range
R1172x081x
1.8
1.6
Operating Input Voltage Range
1.4
1.2
1.0
0.8
0
200 400 600 800 1000
Output Current IOUT(mA)
9) Ripple Rejection vs. Input Bias
90
80
70
60
50
40
30
20
10
0
3.0
R1172x301x
VIN=4.0VDC+0.2Vp-p,IOUT=1mA
200Hz
1kHz
10kHz
1000kHz
3.1 3.2 3.3 3.4 3.5
Input Voltage VIN(V)
90
80
70
60
50
40
30
20
10
0
3.0
R1172x301x
VIN=4.0VDC+0.5Vp-p,IOUT=1mA
200Hz
1kHz
10kHz
1000kHz
3.1 3.2 3.3 3.4 3.5
Input Voltage VIN(V)
14