![](http://datasheet.mmic.net.cn/260000/PQ3RD23_datasheet_15946850/PQ3RD23_1.png)
Low Power-Loss Voltage Regulators
PQ05RD21 Series/PQ3RD23
PQ05RD21 Series/PQ3RD23
I
Features
G
Low power-loss(Dropout voltage: MAX 0.5V at Io=2.0A)
G
2.0A output type
G
Compact resin package(equivalent to TO-220)
G
Available 3.3V/5V/9V/12V output type
G
Output voltage precision: ±3.0%
G
Built-in ON/OFF control function
G
Built in overcurrent, overheat protection functions, ASO
protection circuit.
G
Lead forming type is also available.
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Applications
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Power supplies for various electronic equipment such as
AV, OA equipment
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Model Line-ups
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Outline Dimensions
(Unit : mm)
2.0A Output Type Low Power-Loss Voltage Regulator
Please refer to the chapter " Handling Precautions ".
PQ05RD21
Epoxy resin
0.5
( )
1.5
( )
4
–
1.4
±
0.3
0
0.2
0.1
4
–
0.6
±
10.2MAX.
7
±
0
2
2.8
±
0.2
4.5
±
0.2
3
–
2.54
( )
3
±
0
φ
3.2
±
0.1
4
–
1.4
1
±
0
4
1
Typical dimensions
(
φ
)
( )
( )
:
GND
ON/OFF control terminal( )
DC output( )
Specific IC
Internal connection diagram
1
1
2
3
4
1
2
2
3
3
4
4
5.0V output
9.0V output
12.0V output
3.3V output
2.0A output
PQ3RD23
PQ05RD21
PQ09RD21
PQ12RD21
Parameter
Symbol
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
Rating
20
20
2.0
1.4
15
150
–
20 to +80
–
40 to +150
260 (For 10s)
Unit
V
V
A
W
W
C
C
C
C
1
1
2
3
1
All are open except GND and applicable terminals.
2
P
D1
: No heat sink, P
D2
: With infinite heat sink
3
Overheat protection may operate at 125<=T
j
<=150
C.
(T
a
=25
C)
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
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/