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BA3259HFP

BA30E00WHFP

Datasheet

TSZ02201-0R6R0A600100-1-2

26.Jun.2012 Rev.001

www.rohm.com

© 2012 ROHM Co., Ltd. All rights reserved.

TSZ22111･15･001

●Block Diagrams / Standard Example Application Circuits / Pin Configurations / Pin Descriptions

Fig.1

BA3259HFP Block Diagram

Fig.2

BA30E00WHFP Block Diagram

Pin

No.

Pin

name

Function

1

Power supply pin

2

ADJ

Variable output voltage detection pin

3

GND

GND pin

4

Vo2

Variable output pin

5

Vo1

3.3 V output pin

FIN

GND

GND pin

Pin

No.

Pin

name

Function

1

EN

Output on/off control pin: High active

2

Vcc2

Power supply pin 2

3

Vcc1

Power supply pin 1

4

GND

GND pin

5

Vo1

Power supply pin for 3.3 V output

6

Vo2

Variable output voltage detection pin

(0.8 V to 3.3 V)

7

ADJ

Variable output voltage detection pin

FIN

GND

GND pin

PIN

External capacitor

setting range

Vcc (1Pin)

Approximately 3.3µF

Vo1 (5Pin)

1 µF to 1000 µF

Vo2 (4Pin)

1 µF to 1000 µF

TOP VIEW

PIN

External capacitor

setting range

Vcc1 (3Pin)

Approximately 1 µF

Vcc2 (2Pin)

Approximately 1 µF

Vo1 (5Pin)

47 µF to 1000 µF

Vo2 (6Pin)

47 µF to 1000 µF

TOP VIEW

HRP5

HRP7

●Absolute Maximum Ratings

BA3259HFP

BA30E00WHFP

Parameter

Symbol

Ratings

Units

Parameter

Symbol

Ratings

Units

Applied voltage

Vcc

15

*1

V

Applied voltage

Vcc

18

*1

V

Power dissipation

Pd

2300

*2

mW

Power dissipation

Pd

2300

*2

mW

Operating

temperature range

Topr

0 to 85

℃

Operating

temperature range

Topr

−25 to 105

℃

Ambient storage

temperature range

Tstg

−55 to 150

℃

Ambient storage

temperature range

Tstg

−55 to 150

℃

Maximum junction

temperature

Tjmax

150

℃

Maximum junction

temperature

Tjmax

150

℃

*1

Must not exceed Pd.

*2

Derated at 18.4 mW/℃ at Ta>25℃ when mounted on a glass epoxy board (70 mm

× 70 mm × 1.6 mm).

1

2

3

4

5

6

7

1

2

3

4

5

Current

Limit

Thermal

Shutdown

Current

Limit

GND

3.3V

1

μF

1.5V

1

μF

3.3

μF

1

5

4

FIN

2

ADJ

Vcc

R1

R2

3

GND

EN

Current

Limit

Sat.

Prevention

Current

Limit

Sat.

Prevention

Thermal

Shut Down

GND(Fin)

Vcc1

Vcc1

Vcc2

Vcc2

Vcc1

ADJ

GND

Vo2

Vo1

Vcc2

Reference

Voltage

R1

R2

47

μF

47

μF

1

μF

1

μF

1

2

3

4

5

6

7