High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Transient Response (IOUT=1mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
1.40
1.35
1.30
1.25
1.20
1.15
5
4
3
2
1
0
2.00
1.95
1.90
1.85
1.80
1.75
Input Voltage
Input Voltage
2
1
Output Voltage
Output Voltage
0
-1
-2
1.10
-1
1.70
Time (20µs/div)
Time (20µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
3
2
1
3.00
2.95
2.90
2.85
2.80
2.75
6
5
4
3
2
1
3.20
3.15
3.10
3.05
3.00
2.95
Input Voltage
Output Voltage
Time (20µs/div)
Input Voltage
Output Voltage
0
2.70
0
2.90
Time (20µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
3
2
1
3.50
3.45
3.40
3.35
3.30
3.25
Input Voltage
Output Voltage
Time (20µs/div)
0
3.20
AnaSem
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