R1170 Datasheet, PDF (18/22 Pages) RICOH electronics devices division – 800mA LDO REGULATOR

R1170x
5.20
5.15
5.10
5.05
5.00
4.95
4.90
0
R1170x501B
tr=tf=10μs, IOUT=100mA, COUT=Ceramic 4.7μF
6.5
6.0
Input Voltage
5.5
5.0
Output Voltage
4.5
4.0
3.5
20
40
60
80 100 120 140 160 180 200
Time T(μs)
11) Load Transient Response (Topt=25°C)
R1170x151B
tr=tf=3μs, CIN=Ceramic 10μF, VIN=2.5V, COUT=Ceramic 10μF
2.0
120
1.9
100
1.8
80
Output Current
1.7
60
1.6
40
Output Voltage
1.5
20
1.4
0
0
20
40
60
80 100 120 140 160 180 200
Time T(μs)
3.5
3.4
3.3
3.2
3.1
3.0
2.9
0
R1170x301B
tr=tf=3μs, CIN=Ceramic 10μF, VIN=4V, COUT=Ceramic 10μF
120
100
80
Output Current
60
40
Output Voltage
20
0
20
40
60
80 100 120 140 160 180 200
Time T(μs)
18