R1131D081A Datasheet, PDF (15/30 Pages) RICOH electronics devices division – Low Voltage 300mA LDO REGULATOR

R1131x
10) Input Transient Response (CIN=none, tr=tf=5µs)
R1131x08xx
IOUT=30mA,
COUT=Tantalum 1.0µF
4
R1131x10x
IOUT=30mA,
COUT=Ceramic 1.0µF
4
3
Input Voltage
2
3
Input Voltage
2
0.82
1
1.02
1
0.80
Output Voltage
0.78
1.00
Output Voltage
0.98
0.76
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
R1131x26xx
IOUT=30mA,
COUT=Ceramic 1.0µF
5
0.96
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
Input Voltage
4
3
2.62
2.60
Output Voltage
2.58
2.56
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
11) Load Transient Response (tr=tf=0.5µs)
R1131x08xx
VIN=1.8V CIN=Tantalum 1.0µF,
COUT=Tantalum 1.0µF
150
R1131x08xx
VIN=1.8V CIN=Tantalum 1.0µF,
COUT=Tantalum 2.2µF
60
100
Output Current
50
30
Output Current
0
0.9
0
0.9
0.8
Output Voltage
0.7
0.8
Output Voltage
0.7
0.6
0
5 10 15 20 25 30 35 40
Time t(µs)
0.6
0
5 10 15 20 25 30 35 40
Time t(µs)
15