PQ7DV10 Datasheet, PDF (3/4 Pages) Sharp Electrionic Components – Variable Output, (1.5 to 7V) 10A Output Low Power-loss Voltage Regulator

Low Power-Loss Voltage Regulators
Fig.5 Output Voltage Adjustment
Characteristics
8
R1=2kΩ
7
6
5
4
3
2
1
0
10²
10³
10⁴
R2 (Ω)
Fig.7 Output Voltage vs. Input Voltage
4
Ta =25˚C
VO=3V(R1=2kΩ,R2=2.8kΩ)
3
RL=0.6Ω
RL=∞
RL=0.3Ω
2
1
0
0
1
2
3
4
5
Input voltage VIN (V)
Fig.9 Dropout Voltage vs. Junction
Temperature
0.5
VO=3V(R1=2kΩ,R2=2.8kΩ)
VIN :Input voltage when output voltage
is 95% in comparison with the initial value
0.4
0.3
0.2
0.1
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
PQ7DV10
Fig.6 Output Voltage Deviation vs.
Junction Temperature
10
VIN=5V
8 _{VO=3V(R1=2kΩ,R2=2.8kΩ)}
6 ^IO=2.5A
4
2
0
-2
-4
-6
-8
-10
-25
0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.8 Circuit Operating Current vs. Input
Voltage
160
Ta =25˚C
VO=3V(R1=2kΩ,R2=2.8kΩ)
120
80
RL=0.3Ω
RL=0.6Ω
40
RL=∞
0
0
1
2
3
4
5
Input voltage VIN (V)
Fig.10 Ripple Rejection vs. Junction
Temperature
100
80
60
40
VIN=7V
20 VO=3V(R1=2kΩ,R2=2.8kΩ)
IO =0.5A,ei=0.5Vrms
f=120Hz
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)