R1170 Datasheet, PDF (16/22 Pages) RICOH electronics devices division – 800mA LDO REGULATOR

R1170x
9) Ripple Rejection vs. Input Voltage
R1170x301B
IOUT=1mA, COUT=10μF
60
f=400Hz
50
f=1kHz
40
30
f=10kHz
20
10
0
3
3.2
3.4
3.6
Input Voltage VIN(V)
60
50
40
30
20
10
0
3
R1170x301B
IOUT=10mA, COUT=10μF
f=400Hz
f=1kHz
f=10kHz
3.2
3.4
3.6
Input Voltage VIN(V)
60
50
40
30
20
10
0
3
R1170x301B
IOUT=100mA, COUT=10μF
f=400Hz
f=1kHz
f=10kHz
3.2
3.4
3.6
Input Voltage VIN(V)
10) Input Transient Response (Topt=25°C)
R1170x151B
tr=tf=10μs, IOUT=100mA, COUT=Ceramic 10μF
1.8
4
1.75
3.5
1.7
Input Voltage 3
1.65
2.5
1.6
2
1.55
Output Voltage ^1.5
1.5
1
1.45
0.5
1.4
0
0
20
40
60
80 100 120 140 160 180 200
Time T(μs)
16