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PDF 20WZ11 Data sheet ( Hoja de datos )
| Número de pieza | 20WZ11 | |
| Descripción | PQ20WZ11 | |
| Fabricantes | Sharp | |
| Logotipo |  |
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Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
PQ20WZ51/PQ20WZ11
Variable Output, General Purpose, Surface Mount Type Low Power-Loss Voltage Regulator
s Features
q Low power-loss
(Dropout voltage : MAX. 0.5V)
q Surface mount package (equivalent to SC-63)
q Variable output voltage (3.0 to 20V)
q Output current (0.5A : PQ20WZ51)
(1.0A : PQ20WZ11)
q Reference voltage precision : ±2.5%
q Built-in ON/OFF control function
q Low dissipation current at OFF-state (Iqs : MAX. 5µA)
q Built-in overcurrent, overheat protection functions, ASO
protection circuit
q Available tape-packaged products
(ø330mm reel : 3 000 pcs., PQ20WZ5U/1U)
s Applications
q Personal computers
q CD-ROM drives
q Power supplies for various OA equipment
s Outline Dimensions
(Unit : mm)
6.6 MAX.
5.2 ± 0.5
3
2.3 ±0.5
( 0.5 )
Model No.
Epoxy resin
0.5±
0.2
0.1
4 – ( 1.27 )
( 0.5 )
12345
Internal connection diagram
1 3 1 DC input(VIN)
2 ON/OFF control terminal(Vc )
Specific IC
3 DC output(Vo )
4 Output voltage adjustment terminal(VADJ)
2 4 5 GND
5 Heat sink is common to terminal 3 (Vo )
s Absolute Maximum Ratings
Parameter
Symbol
❇1 Input voltage
❇1 ON/OFF control terminal voltage
❇1 Output adjustment terminal voltage
Output current
Power dissipation(with infinite heat sink)
❇2 Junction temperature
Operating temperature
Storage temperature
❇3 Soldering temperature
VIN
Vc
VADJ
Io
PD
Tj
Topr
Tstg
Tsol
❇1 All are open except GND and applicable terminals.
❇2 Overheat protection may operate at 125<=Tj<=150˚C
❇3 For 10s
Rating
PQ20WZ51 PQ20WZ11
24
24
5
0.5 1.0
8
150
–20 to +80
–40 to +150
260
(Ta=25˚C)
Unit
V
V
V
A
W
˚C
˚C
˚C
˚C
• Please refer to the chapter " Handling Precautions ".
Notice In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
Free Datasheet http://www.datasheet4u.com/
1 page  
Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
Fig.17 Circuit Operating Current vs. Input
Voltage (PQ20WZ11)
30 Vc=2.7V,
R1=2kΩ, R2=500Ω
25 (Vo=3.3V)
20
RL =3.3Ω
15
RL =6.6Ω
10
5 RL =∞Ω
0
0 1 2 34567 8
Input voltage VIN (V)
Fig.18 Power Dissipation vs. Ambient
Temperature
3
Cu area 740mm2
2
Cu area 180mm2
Cu area 100mm2
Cu area 70mm2
1
Cu area 36mm2
PWB
PWB
Cu
0
–20 0 20 40 60 80 100
Ambient temperature Ta (˚C)
s Typical Application
DC input
1
3
Cin
24
5
VIN
VO
R2
CO +
R1
2kΩ
Load
ON/OFF signal
High : Output ON
Low or Open : Output OFF
Material : Glass-cloth epoxy resin
Size : 50 X 50 X 1.6mm
Cu thickness : 35µm
s Model Line-ups for Tape-packaged Products
Output current
0.5A output
1.0A output
Sleeve-packaged products Tape-packaged products
High-precision output type High-precision output type
PQ20WZ51
PQ20WZ5U
PQ20WZ11
PQ20WZ1U
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 20WZ11.PDF ] | |
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