R1182K121B Datasheet, PDF (13/23 Pages) RICOH electronics devices division – Low Voltage 150mA LDO REGULATOR

R1182x
R1182x281x
COUT=Ceramic 0.1µF
6
5
Input Voltage
4
3
2.9
Output Voltage
2.8
2.7
2.6
0 10 20 30 40 50 60 70 80 90
Time t (µs)
R1182x281x
COUT=Ceramic 1.0µF
6
5
Input Voltage
4
3
2.9
Output Voltage
2.8
2.7
2.6
0 10 20 30 40 50 60 70 80 90
Time t (µs)
R1182x401x
COUT=Ceramic 0.1µF
7
6
Input Voltage
5
4
4.1
Output Voltage
4.0
3.9
3.8
0 10 20 30 40 50 60 70 80 90
Time t (µs)
R1182x401x
COUT=Ceramic 1.0µF
7
6
Input Voltage
5
4
4.1
Output Voltage
4.0
3.9
3.8
0 10 20 30 40 50 60 70 80 90
Time t (µs)
11) Load Transient Response (tr=tf=0.5µs, CIN=Ceramic 0.1µF)
R1182x281x
R1182x281x
VIN=3.8V,COUT=0.1µF
150
VIN=3.8V,COUT=0.1µF
100
100
50
50
Output Current 50mA 100mA
0
0
Output Current 1mA 50mA
3.0
3.0
Output Voltage
2.8
2.8
2.6
Output Voltage
2.6
2.4
2.4
0 4 8 12 16 20 24 28 32 36
Time t (µs)
2.2
0 25 50 75 100 125 150 175
Time t (µs)
13