PQ7RV4 Datasheet, PDF (3/5 Pages) Sharp Electrionic Components – Variable Output (1.5 to 7V), 4.6A Output Low Power-loss Voltage Regulator

Low Power-Loss Voltage Regulators
Fig.5 Relative Output Voltage vs. Output
Current (Typical Value)
100
80
60
40
20
0
0 2.0 4.0 6.0 8.0 1.0
Output current IO (A)
Fig.7 Circuit Operating Current vs. Input
Voltage
120 ^{Ta =25˚C}
100
RL=0.72Ω
50
RL=1.65Ω
RL=∞
0
0
1
2
3
4
5
Input voltage VIN (V)
Fig.9 Quiescent Current vs. Junction
Temperature
20
VIN =5
18 _VO=3.3V
16 R1=2kΩ
14 ^{IO =0A}
12
10
8
6
4
2
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
PQ7RV4
Fig.6 Output Voltage vs. Input Voltage
4
Ta =25˚C
3
RL=1.65Ω
RL=∞
RL=0.72Ω
2
1
0
0
1
2
3
4
5
Input voltage VIN (V)
Fig.8 Dropout Voltage vs. Junction
Temperature
1.0
VO=3.3V
R1=2kΩ
0.8
0.6
0.4
IO =4.6A
IO =4A
0.2
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.10 Ripple Rejection vs. Input Ripple
Frequency
100
80
60
40
20 _VIN=5V
Io=0.5A
0 ^ei=0.5Vrms
0.1
1
10
100
Input ripple frequency f (kHz)