Low Power-Loss Voltage Regulators
Fig.15 Typical Application
DC input
1
VIN
CIN
2
5
PQ070XZ5MZ/PQ070XZ01Z
3
VO
R2
CO +
4
R1
1kΩ
Load
ON/OFF signal
High:Output ON
Low or open:Output
OFF
Fig.16 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Cu area 740mm2
2
Cu area 180mm2
Cu area 100mm2
Cu area 70mm2
1
Cu area 36mm2
0
–20 0 20 40 60 80
Ambient temperature Ta (˚C)
Fig.17 Output Voltage Adjustment
Characteristics
10
R1=1kΩ
9
8
7
6
5
4
3
2
1
0
100
1 000
10 000
R2 (Ω)
PWB
PWB
Cu
Material : Glass-cloth epoxy resin
Size
: 50×50×1.6mm
Cu thickness : 35µm