R1171 Datasheet, PDF (17/24 Pages) RICOH electronics devices division – 2.0A/1.5A LDO REGULATOR

10) Input Transient Response (Topt=25°C)
R1171x151B
1.80
tr=tf=5μs, IOUT=1000mA, COUT=Ceramic 10μF
4.0
1.75
3.5
1.70
Input Voltage
3.0
1.65
2.5
1.60
2.0
1.55
Output Voltage
1.5
1.50
1.0
1.45
0.5
1.40
0
0
20 40 60 80 100 120 140 160 180 200
Time t(μs)
2.30
2.25
2.20
2.15
2.10
2.05
2.00
1.95
1.90
0
R1171x201B
tr=tf=5μs, IOUT=1000mA, COUT=Ceramic 4.7μF
4.5
4.0
Input Voltage
3.5
3.0
2.5
Output Voltage
2.0
1.5
1.0
0.5
20 40 60 80 100 120 140 160 180 200
Time t(μs)
3.20
3.15
3.10
3.05
3.00
2.95
2.90
0
R1171x301B
tr=tf=5μs, IOUT=1000mA, COUT=Ceramic 4.7μF
5.5
5.0
Input Voltage
4.5
4.0
3.5
Output Voltage
3.0
2.5
2.0
1.5
1.0
20 40 60 80 100 120 140 160 180 200
Time t(μs)
R1171x
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