Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
PQ20WZ51/PQ20WZ11
Variable Output, General Purpose, Surface Mount Type Low Power-Loss Voltage Regulator
I
G
Features
I
Outline Dimensions
6.6 MAX.
5.2
鹵
0.5
2.3
鹵
0.5
(Unit : mm)
Low power-loss
(Dropout voltage : MAX. 0.5V)
G
Surface mount package (equivalent to SC-63)
G
Variable output voltage (3.0 to 20V)
Output current (0.5A :
PQ20WZ51)
(1.0A :
PQ20WZ11)
G
Reference voltage precision : 鹵2.5%
G
Built-in ON/OFF control function
G
( 0.5 )
3
9.7 MAX.
5.5
鹵
0.5
Model No.
Epoxy resin
( 1.7 )
2.5 MIN.
Low dissipation current at OFF-state (Iqs : MAX. 5碌A(chǔ))
G
Built-in overcurrent, overheat protection functions, ASO
protection circuit
G
G
0.5鹵
0.2
0.1
4 鈥?( 1.27 )
( 0.5 )
( 0.9 )
Available tape-packaged products
(酶330mm reel : 3 000 pcs.,
PQ20WZ5U/1U)
I
G
G
Applications
1
2
3
4
5
Personal computers
CD-ROM drives
G
Power supplies for various OA equipment
Internal connection diagram
1
3
Specific IC
2
5
4
DC input(V
IN
)
ON/OFF control terminal( Vc )
DC output ( Vo )
Output voltage adjustment terminal (V
ADJ
)
GND
Heat sink is common to terminal
3
( Vo )
1
2
3
4
5
I
Absolute Maximum Ratings
Parameter
Symbol
V
IN
Vc
V
ADJ
Io
P
D
T
j
T
opr
T
stg
T
sol
Rating
PQ20WZ51
PQ20WZ11
24
24
5
1.0
0.5
8
150
鈥?0 to +80
鈥?0 to +150
260
(T
a
=25藲C)
Unit
V
V
V
A
W
藲C
藲C
藲C
藲C
鉂?
Input
voltage
control terminal voltage
鉂?
Output adjustment terminal voltage
Output current
Power dissipation(with infinite heat sink)
鉂?
Junction temperature
Operating temperature
Storage temperature
鉂?
Soldering temperature
鉂?
ON/OFF
鉂?
鉂?
All are open except GND and applicable terminals.
Overheat protection may operate at 125<=Tj<=150藲C
鉂?
For 10s
鈥?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/
1
2
3
4
5
6
