R1171 Datasheet, PDF (18/24 Pages) RICOH electronics devices division – 2.0A/1.5A LDO REGULATOR

R1171x
5.30
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
0
R1171x501B
tr=tf=5μs, IOUT=1000mA, COUT=Ceramic 4.7μF
7.5
7.0
Input Voltage
6.5
6.0
5.5
Output Voltage
5.0
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)
R1171x151B
1.85
tr=tf=10μs, VIN=2.5V, COUT=Ceramic 10μF
2000
1.80
1500
1.75
1000
1.70
Output Current
500
1.65
0
1.60
1.55
Output Voltage
1.50
1.45
1.40
1.35
0
20 40 60 80 100 120 140 160 180 200
Time t(μs)
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
0
R1171x201B
tr=tf=10μs, VIN=3.0V, COUT=Ceramic 4.7μF
2000
1500
1000
Output Current
500
0
Output Voltage
20 40 60 80 100 120 140 160 180 200
Time t(μs)
18