BA3259HFP,BA30E00WHFP

Technical Note

3/9

www.rohm.com

2009.04 - Rev.A

© 2009 ROHM Co., Ltd. All rights reserved.

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

0.0

0.5

1.0

1.5

2.0

2.5

OUTPUT CURRENT：Io2［A］

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

0.0

0.2

0.4

0.6

0.8

1.0

OUTPUT CURRENT：Io1［A］

0

10

20

30

40

50

60

70

80

10

100

1000

10000

FREQUENCY：f［Hz］

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

3.35

-30 -15

0

1530

456075

TEMPERATURE：Ta［℃］

1.490

1.492

1.494

1.496

1.498

1.500

1.502

1.504

1.506

-30 -15

0

153045

6075

TEMPERATURE：Ta［℃］

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

-30 -15

0

1530

4560

75

TEMPERATURE：Ta［℃］

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

02

4

6

8

10

12

14

SUPPLY VOLTAGE：Vcc［V］

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

2

4

6

8

10

12

14

SUPPLY VOLTAGE：Vcc［V］

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

0

2

4

6

8

10

12

14

SUPPLY VOLTAGE：Vcc［V］

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.0

0.5

1.0

1.5

2.0

2.5

OUTPUT CURRENT：Io1［A］

0

1

2

3

4

5

0.0

0.2

0.4

0.6

0.8

1.0

OUTPUT CURRENT：Io1［A］

10

20

30

40

50

60

5

6

7

8

9

101112

1314

SUPPLY VOLTAGE：Vcc［V］



BA3259HFP Electrical Characteristics Curves (Unless otherwise specified, Ta=25°C, Vcc=5 V)

Fig. 4 Input Stability

(3.3 V output with no load)

Fig. 5 Input Stability

(Variable output with no load)

Fig.1 Circuit Current (with no load)

Fig. 6 Load Stability

(3.3 V output)

Fig. 7 Load Stability

(Variable output: 1.5 V)

Fig. 8 I/O Voltage Difference (3.3 V output)

(3.3 V output, Io1=0 A

 1 A)

Fig.9 R.R.

Fig. 10 Output Voltage vs Temperature

(3.3 V output)

Fig. 11 Output Voltage vs Temperature

(Variable output: 1.5 V)

R.R.(Variable output :1.5 V)

R.R.(3.3 V output)

Fig. 12 Circuit Current vs Temperature

Fig.2 Circuit Current vs Load Current Io

Fig.3 ADJ Pin Outflow Current