Low Power-Loss Voltage Regulators
PQ05RG1/PQ05RG11 Series
Fig.21 Ripple Rejection vs. Input Ripple
Fig.22 Input-Output Reverse Current vs.
Input-Output Reverse Voltage
Frequency
80
10
Vo-i
70
PQ05RG1/11
I
o-i
A
PQ09RG1/11
60
50
40
30
20
VIN
PQ12RG1/11
VO
GND
5
0
PQ05RG1/11
PQ09RG1/11
PQ12RG1/11
T
j
=25˚C
V
IN=7V(PQ05RG1/11)
=11V(PQ09RG1/11)
=14V(PQ12RG1/11)
O=0.5A
I
e
i
RR=201og(e
=0.5Vrms(sine wave)
10
0
i
/e
0)
0
5
10
15
20
25
-i (V)
0
0.5
1
5
10
50 100
Input ripple frequency f (kHz)
Input-output reverse voltage V
O
Fig.23 Output Peak Current vs. Junction
Temperature
2.0
VIN-V
O
=5V
2V
1.5
0.5V
1.0
0
I
OP :Output current when output voltage is 95%
in comparison with the initial value
-20
0
25
50
75
100 125
(˚C)
Junction temperature T
j