High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Ripple Rejection Rate
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
IOUT=30mA, Ta=25°C, CIN=CL=1.0µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
100
1000
Ripple Frequency : f (KHz)
Ripple Frequency : f (KHz)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
100
90
100
90
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
100
1000
Ripple Frequency : f (KHz)
Ripple Frequency : f (KHz)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
100
90
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
1000
Ripple Frequency : f (KHz)
AnaSem
26
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