R1131D081A Datasheet, PDF (18/30 Pages) RICOH electronics devices division – Low Voltage 300mA LDO REGULATOR

R1131x
R1131x33xx (ECO=H)
VIN=4.3V CIN=Ceramic 1.0µF,
COUT=Ceramic 1.0µF
CE Input Voltage
6
4
0V→4.3V
2
4
Output Voltage
0
3
IOUT=30mA
2
1
0
0 20 40 60 80 100 120 140
Time t(µs)
13) Turn-off Speed with CE
R1131x08xD
VIN=1.8V CIN=Tantalum 1.0µF,
COUT=Tantalum 1.0µF
2.4
1.8
1.2
CE Input Voltage
0.6
1.8V→0V
1.0
0
0.5
Output Voltage
IOUT=0mA
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Time t(ms)
R1131x08xD
VIN=1.8V CIN=Tantalum 1.0µF,
COUT=Tantalum 1.0µF
2.4
1.8
1.2
CE Input Voltage
0.6
1.8V→0V
1.0
0
0.5
Output Voltage
IOUT=300mA
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Time t(ms)
18
R1131x33xx (ECO=L)
VIN=4.3V CIN=Ceramic 1.0µF,
COUT=Ceramic 1.0µF
CE Input Voltage
6
4
0V→4.3V
2
4
Output Voltage
0
3
IOUT=300mA
2
1
0
0 20 40 60 80 100 120 140
Time t(µs)
R1131x08xD
VIN=1.8V CIN=Tantalum 1.0µF,
COUT=Tantalum 1.0µF
2.4
1.8
1.2
CE Input Voltage
0.6
1.8V→0V
1.0
0
0.5
Output Voltage
IOUT=30mA
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Time t(ms)
R1131x33xD
VIN=4.3V CIN=Ceramic 1.0µF,
COUT=Ceramic 1.0µF
5
4
3
CE Input Voltage
2
4.3V→0V 1
4
0
3
2
Output Voltage
1
IOUT=0mA
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Time t(ms)