R1191 Datasheet, PDF (20/33 Pages) RICOH electronics devices division – Supply Current Typ. 50uA (Fast Mode)

R1191x
12) Input Transient Response (C1=none, C2=4.7μF, IOUT=1mA, tr=tf=1μs, Topt=25°C)
R1191x020x ECO=H
2.04
6
2.03
5
2.02
Input Voltage
4
4V 5V
2.01
3
2.00
2
1.99
Output Voltage
1
1.98
0
0 100 200 300 400 500 600 700 800 900
Time t (μs)
R1191x020x ECO=L
2.40
6
2.30
5
2.20
Input Voltage
4
4V 5V
2.10
3
2.00
2
1.90
Output Voltage
1
1.80
0
0123456789
Time t (ms)
R1191x050x ECO=H
5.04
9
5.03
8
5.02
Input Voltage
7
7V 8V
5.01
6
5.00
5
4.99
Output Voltage
4
4.98
3
0 100 200 300 400 500 600 700 800 900
Time t (μs)
R1191x050x ECO=H
5.40
9
5.30
8
5.20
Input Voltage
7
7V 8V
5.10
6
5.00
5
4.90
Output Voltage
4
4.80
3
0123456789
Time t (ms)
R1191x150x ECO=H
15.04
17
15.03
16
15.02
Input Voltage
15
15.5V 16.0V
15.01
14
15.00
13
14.99
Output Voltage
12
14.98
11
0 100 200 300 400 500 600 700 800 900
Time t (μs)
R1191x150x ECO=L
15.40
17
15.30
16
15.20
Input Voltage
15
15.5V 16.0V
15.10
14
15.00
13
14.90
Output Voltage
12
14.80
11
0123456789
Time t (ms)
20