High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Rise Time (IOUT=1mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
3.5
3.0
4
3
7
6
Input Voltage
Input Voltage
2
1
2.5
2.0
2
1
5
4
0
-1
-2
-3
1.5
1.0
0.5
0
0
-1
-2
-3
3
2
1
0
Output Voltage
Output Voltage
Time (25µs/div)
Time (25µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
5
8
5
8
Input Voltage
Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (25µs/div)
Time (25µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
10
9
Input Voltage
8
7
3
2
6
1
5
4
0
Output Voltage
-1
-2
-3
-4
3
2
1
0
Time (25µs/div)
AnaSem
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