High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Load Transient Response
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN=VOUT+1.0V
=1.0µF
V
IN=EN=VOUT+1.0V
Tr=Tf=5µs, Ta=25°C, CIN=C
L
Tr=Tf=5µs, Ta=25°C, CIN=C
L=1.0µF
1.3
400
1.9
1.8
1.7
1.6
1.5
1.4
300
250
200
150
100
50
Output Voltage
Output Voltage
1.2
1.1
1.0
0.9
300
200
100
0
Output Current
Output Current
1.3
0
Time (40µs/div)
Time (40µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN=VOUT+1.0V
=1.0µF
V
IN=EN=VOUT+1.0V
=1.0µF
Tr=Tf=5µs, Ta=25°C, CIN=C
L
Tr=Tf=5µs, Ta=25°C, CIN=C
L
2.9
2.8
2.7
2.6
2.5
2.4
300
250
200
150
100
50
3.1
3.0
2.9
2.8
2.7
2.6
300
250
200
150
100
50
Output Voltage
Output Voltage
Output Current
Output Current
2.3
0
2.5
0
Time (40µs/div)
Time (40µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN=VOUT+1.0V
=1.0µF
Tr=Tf=5µs, Ta=25°C, CIN=C
L
3.4
3.3
3.2
3.1
3.0
2.9
2.8
300
250
200
150
100
50
Output Voltage
Output Current
0
Time (40µs/div)
AnaSem
16
.......... Future of the analog world
www.anasemi.com
sales@anasemi.com
ANASEM [ AnaSem Hong Kong Limited ]
