Low Power-Loss Voltage Regulators
Fig.11 Quiescent Current vs. Junction
Temperature
20
VIN =5V
VO=3V(R1=2kΩ,R2=2.8kΩ)
IO =0A
15
10
5
0
–25 0 25 50 75 100 125
Junction temperature Tj (˚C)
PQ7DV10
Fig.12 Ripple Rejection vs. Input Ripple
Frequency
100
80
60
40
VIN=5V
20 VO=3V(R1=2kΩ,R2=2.8kΩ)
Io=0.5A, ei(rms)=0.5V,
0 Tj =25˚C
0.1
1
10
100
Input ripple frequency f (kHz)
s Typical Applications
VIN
1
2
VO
R2
5
43
+
CIN
R1 2kΩ
CO
ON/OFF
Signal
High or Open : Output ON
Low
: Output OFF