High speed, Low dropout, ±1% High output accuracy Dual CMOS Voltage Regulator
Rev. E13-01
VRD Series
TYPICAL CHARACTERISTICS – EN Rise Time (Iout=100mA)
ò VRD (VOUT=1.5V)
ò VRD (VOUT=1.8V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
4
3
2
1
0
8
7
6
5
4
3
2
1
0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5
4
EN Input Voltage
EN Input Voltage
3
2
1
-1
-2
-3
-4
Output Voltage
0
Output Voltage
-1
-2
-3
0.5
0
-5
Time (40µs/div)
Time (40µs/div)
ò VRD (VOUT=2.8V)
ò VRD (VOUT=3.3V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
4
8
7
6
5
4
3
2
1
0
6
5
9
8
7
6
5
4
3
2
1
0
EN Input Voltage
EN Input Voltage
4
3
3
2
2
1
Output Voltage
Output Voltage
1
0
0
-1
-2
-1
-2
-3
-3
Time (40µs/div)
Time (40µs/div)
AnaSem
27
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