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shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”

Low Power-Loss Voltage Regulators

PQ3RF23/PQ3RF33

s Features

¡3.3V output

¡High output current

2A type : PQ3RF23

3.5A type : PQ3RF33

¡Compact resin full-mold package (TO-220 package)

¡Low power-loss (Dropout voltage : MAX. 0.5V)

¡High-precision output voltage type

Output voltage precision :

±2.5%

¡Built-in ON/OFF control function

¡Built-in overcurrent protection, overheat protection function

s Applications

¡Power supplies for various electronic equipment such as

personal computers

s Outline Dimensions

PQ3RF23/PQ3RF33

(Unit : mm)

3.3V Output, High Output Current (2A, 3.5A) Type Low Power-loss Voltage Regulators

Parameter

Symbol

Rating

Unit

10

10

18

150

-20 to +80

-40 to +150

260(For 10s.)

V

V

A

W

W

˚C

˚C

˚C

˚C

Input voltage

ON/OFF control terminal voltage

Output current

Power dissipation (No heat sink)

Power dissipation (With infinite heat sink)

Junction temperature

Operating temperature

Storage temperature

Soldering temperature

*1

*1

*2

s Absolute Maximum Ratings

2

3.5

1.5

1.8

PQ3RF23

PQ3RF33

PQ3RF23

PQ3RF33

PQ3RF23

2

3

1

4

10.2MAX

φ3.2±0.1

+0.3

-0

4-1.4

+0.2

-0.1

4-0.6

3-(2.54)

4.5±0.2

2.8±0.2

(1.5)

(0.5)

q

1

q

2

q

3

q

4

3 GND

4 ON/OFF control

Control circuit

Internal connection diagram

· Please refer to the chapter“ Handling Precautions ”.