R1191 Datasheet, PDF (21/33 Pages) RICOH electronics devices division – Supply Current Typ. 50uA (Fast Mode)

R1191x
13) Load Transient Response (C1=2.2μF, C2=4.7μF, tr=tf=0.1μs, Topt=25°C)
R1191x020x ECO=H
2.20
VIN=5.0V
60
2.15
30
2.10
0
Output Current
2.05 _{0.1mA 30mA}
2.00
1.95
Output Voltage
1.90
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Time t (ms)
R1191x020x ECO=H
VIN=5.0V
2.4
300
2.3
150
2.2
Output Current
0
1mA 150mA
2.1
2.0
1.9
Output Voltage
1.8
0 40 80 120 160 200 240 280 320 360 400
Time t (μs)
R1191x020x ECO=L
VIN=5.0V
2.4
20
2.3
10
2.2
0
Output Current
2.1 1mA 10mA
2.0
1.9
Output Voltage
1.8
0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
Time t (ms)
R1191x020x ECO=H
VIN=5.0V
2.4
400
2.3
200
2.2
0
Output Current
2.1 1mA 300mA
2.0
1.9
Output Voltage
1.8
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Time t (ms)
R1191x020x ECO=L
VIN=5.0V
2.4
350
2.3
300
2.2
250
Output Current
2.1 250mA 300mA
200
2.0
150
1.9
Output Voltage
100
1.8
50
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Time t (ms)
21