Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
Fig.17 Circuit Operating Current vs. Input
Voltage (PQ20WZ11)
30
Vc=2.7V,
R1
=2kΩ, R =500Ω
2
25
20
15
(Vo=3.3V)
R
L
=3.3Ω
=6.6Ω
R
L
10
5
R
L
=∞Ω
0
0
1
2
3
4
5
6
7
8
Input voltage VIN (V)
Fig.18 Power Dissipation vs. Ambient
Temperature
3
2
Cu area 740mm
2
2
Cu area 180mm
PWB
2
Cu area 100mm
PWB
Cu
2
Cu area 70mm
1
2
Cu area 36mm
Material
Size
: Glass-cloth epoxy resin
: 50 X 50 X 1.6mm
0
Cu thickness : 35µm
–20
0
20
40
60
80
100
Ambient temperature T
a
(˚C)
ꢀꢀꢀTypical Application
ꢀ
DC input
VO
1
3
R2
Cin
2
+
CO
4
Load
5
VIN
R1
2kΩ
ON/OFF signal
High : Output ON
Low or Open : Output OFF
ꢀꢀꢀModel Line-ups for Tape-packaged Products
ꢀ
Sleeve-packaged products Tape-packaged products
High-precision output type High-precision output type
Output current
0.5A output
1.0A output
PQ20WZ51
PQ20WZ5U
PQ20WZ1U
PQ20WZ11
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
