Low Power-Loss Voltage Regulators
PQ3RF23/PQ3RF33
PQ3RF23/PQ3RF33
3.3V Output, High Output Current(2A, 3.5A)Type Low Power-loss Voltage Regulators
s
s
Features
3.3V output
q High output current
2A type:PQ3RF23
3.5A type:PQ3RF33
q Compact resin full-mold package(TO-220 package)
q Low power-loss(Dropout voltage:MAX. 0.5V)
q High-precision output voltage type
Output voltage precision:±2.5%
q Built-in ON/OFF control function
q Built-in overcurrent protection, overheat protection function
(Unit : mm)
Outline Dimensions
q
4.5±0.2
10.2MAX
29.1MAX
PQ3RF23
4.8MAX
15.6±0.5
7.4±0.2
3.6±0.2
2.8±0.2
ø3.2±0.1
13.5MIN
4–1.4 +0.3
–0
4–0.6 +0.2
–0.1
(1.5)
(0.5)
3–(2.54)
s
q
Applications
Power supplies for various electronic equipment such as
personal computers
➀➁➂➃
Internal connection diagram
➀
➁
Control circuit
➂
s
Absolute Maximum Ratings
Parameter
❇1
❇1
Input voltage
ON/OFF control terminal voltage
IO
Power dissipation(No heat sink)
PD1
Power dissipation(With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
PD2
Tj
Topr
Tstg
Tsol
❇1
DC input(VIN)
DC output(VO)
GND
ON/OFF control
terminal(VC)
Rating
10
10
PQ3RF23
2
PQ3RF33
3.5
PQ3RF23
1.5
PQ3RF33
1.8
18
150
–20 to +80
–40 to +150
260(For 10s.)
Unit
V
V
A
W
W
˚C
˚C
˚C
˚C
All are open except GND and applicable terminals.
❇2
➀
➁
➂
➃
(Ta=25˚C)
Symbol
VIN
VC
Output current
❇2
➃
Overheat protection may operate at 125<=Tj<=150˚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/
