High speed, Low dropout, ±1% High output accuracy Dual CMOS Voltage Regulator
Rev. E13-01
VRD Series
TYPICAL CHARACTERISTICS – Input Transient Response (Iout=30mA)
ò VRD (VOUT=1.5V)
ò VRD (VOUT=1.8V)
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
5
4
3
2
1.70
1.65
1.60
1.55
1.50
1.45
1.40
5
4
3
2
2.00
1.95
1.90
1.85
1.80
1.75
Input Voltage
Input Voltage
Output Voltage
Output Voltage
1
0
1
0
-1
-1
1.70
Time (20µs/div)
Time (20µs/div)
ò VRD (VOUT=3.3V)
ò VRD (VOUT=2.8V)
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
6
5
4
3
2
1
0
6
5
4
3
2
1
0
3.00
2.95
2.90
2.85
2.80
2.75
3.50
3.45
3.40
3.35
3.30
3.25
Input Voltage
Input Voltage
Output Voltage
Time (20µs/div)
Output Voltage
2.70
3.20
Time (20µs/div)
AnaSem
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