“ 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 version of the device specification sheets before using any SHARP's device. ”

Chopper Regulators

PQ1CF1

PQ1CF1

TO-220 Package Chopper Regulator

s Outline Dimensions

(Unit : mm)

s Features

¡Maximum switching current : 3.5A

¡With ON/OFF control function

¡Built-in oscillation circuit

(oscillation frequency : TYP.70kHz)

¡Built-in overheat protection, overcurrent protection function

¡Variable output voltage (1.26 to 35V /-1.26 to -30V)

[Possible to choose step down output/inversing output according

to external connection circuit]

s Applications

¡Facsimiles

¡Printers

¡Switching power supplies

¡Personal computers

PQ1CF1

3 COM

10.2MAX

φ3.2±0.1

5-0.8±0.1

4-(1.7)

4.5±0.2

2.8±0.2

3.2±0.5

q

1

q

2

q

3

q

4

q

5

(5.0)

8.2±0.7

(0.5)

(1.5)

Parameter

Symbol

Rating

Unit

40

7

41

-1

-0.3 to 40

3.5

1.5

15

150

-20 to +80

-40 to +150

260 (For 10s)

V

V

V

V

V

A

W

W

˚C

˚C

˚C

˚C

Input voltage

Error input voltage

Input-output voltage

Output-COM voltage

ON/OFF control voltage

Switching current terminal voltage

Power dissipation (No heat sink)

Power dissipation (With infinite heat sink)

Junction temperature

Operating temperature

Storage temperature

Soldering temperature

*1

*2

*3

*4

s Absolute Maximum Ratings

· Please refer to the chapter“ Handling Precautions ”.