R1171S151A Datasheet, PDF (17/36 Pages) RICOH electronics devices division – 2.0A/1.5A LDO REGULATOR

R1172x301x
3.15
COUT=Ceramic 4.7µF
6
3.12
5
3.09
Input Voltage
4
3.06
3
3.03
2
3.00
1
2.97
Output Voltage
0
2.94
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
12) Load Transient Response (tr=tf=500ns)
1.04
R1172x081x
VIN=1.8V,CIN=COUT= Tantalum 4.7µF
600
0.98
400
Output Current
0.92
200
0.86
0
0.80
0.74
Output Voltage
0.68
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
R1172x081x
1.00
0.96
0.92
VIN=1.8V,CIN=COUT= Tantalum 4.7µF
40
20
Output Current
0
0.88
0.84
0.80
Output Voltage
0.76
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
R1172x
R1172x501x
5.15
COUT=Ceramic 4.7µF
7
5.12
6
5.09
Input Voltage
5
5.06
4
5.03
3
5.00
2
4.97
1
Output Voltage
4.94
0
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
1.00
R1172x081x
VIN=1.8V,CIN=COUT= Tantalum 4.7µF
150
0.96
100
0.92
Output Current
50
0.88
0
0.84
Output Voltage
0.80
0.76
0 2 4 6 8 10 12 14 16 18 20
Time t(µs)
1.00
0.96
0.92
R1172x081x
VIN=1.8V,CIN=Tantalum 4.7µF,
COUT=Tantalum 10µF
40
20
Output Current
0
0.88
0.84
0.80
Output Voltage
0.76
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
17