“ 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. ”

Low Power-Loss Voltage Regulators

PQ05RF2/PQ05RF21/PQ05RF2V Series

1

2

-

+

4

3

Reference

voltage

generation

circuit

Output

ON/OFF

control circuit

Overheat

protection

circuit

PQ05RF2series/PQ05RF21series

1

2

4

-

+

3

Reference

voltage

generation

circuit

*ASO

protection

circuit

Overheat

protection

circuit

PQ05RF2Vseries

*ASO:Area of Safety

Operation

*ASO

protection

circuit

PQ05RF2/21/2V Series

s Outline Dimensions

(Unit : mm)

2A Output, Low Power-Loss Voltage Regulators

s Features

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

¡Compact resin full-mold package.

¡Built-in ON/OFF control terminal (PQ05RF2/PQ05RF21

series)

¡Built-in output voltage minute adjustment terminal (ripple

rejection is improved) (PQ05RF2V series)

PQ05RF2

PQ05RF21

PQ05RF2V

Output voltage

precision:±5%

Output voltage

precision:±2.5%

Minute adjustment

(Output voltage

adjustment range:±10%)

s Model Line-ups

5V Output

PQ09RF2

PQ09RF21

PQ09RF2V

9V Output

PQ12RF2

PQ12RF21

PQ12RF2V

12V Output

PQ15RF2

PQ15RF21

PQ15RF2V

15V Output

Output voltage

s Applications

¡Series power supply for various electronic equipment such as VCRs,

electronic munic instruments

2

3

1

4

PQ05RF2

Internal connection diagram

Specific IC

PQ05RF2/21series

3 GND

4 ON/OFF control

PQ05RF2Vseries

3 GND

4 Output voltage

minute

adjustment

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

s Equivalent Circuit Diagram

· Please refer to the chapter“ Handling Precautions ”.