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PQ20WZ51 Datasheet(PDF) 5 Page - Sharp Electrionic Components

Part No. PQ20WZ51
Description  Variable Output, General Purpose, Surface Mount Type Power-Loss Voltage Regulator
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Maker  SHARP [Sharp Electrionic Components]
Homepage  http://sharp-world.com/
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PQ20WZ51 Datasheet(HTML) 5 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
Fig.17 Circuit Operating Current vs. Input
Voltage (PQ20WZ11)
01
2
3
4
5
6
7
8
20
25
30
15
10
5
0
Input voltage VIN (V)
RL =3.3
RL =6.6
RL =
∞Ω
Vc=2.7V,
R1=2k
Ω, R2=500Ω
(Vo=3.3V)
s Typical Application
2k
VO
CO
DC input
Cin
ON/OFF signal
High : Output ON
Low or Open : Output OFF
+
R2
R1
VIN
1
4
3
Load
2
5
s Model Line-ups for Tape-packaged Products
PQ20WZ11
PQ20WZ1U
0.5A output
Output current
Sleeve-packaged products
High-precision output type
Tape-packaged products
High-precision output type
PQ20WZ51
1.0A output
PQ20WZ5U
Fig.18 Power Dissipation vs. Ambient
Temperature
Cu area 740mm
2
Cu area 180mm2
Cu area 100mm2
Cu area 70mm2
Cu area 36mm2
Ambient temperature Ta (˚C)
–20
0
0
1
2
3
20
40
60
80
100
PWB
Material
: Glass-cloth epoxy resin
Size
: 50 X 50 X 1.6mm
Cu thickness : 35
µm
PWB
Cu


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