Technical Note

4/10

www.rohm.com

2011.03 - Rev.B

© 2011 ROHM Co., Ltd. All rights reserved.

BA3259HFP,BA30E00WHFP

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 -150

1530

4560

75

TEMPERATURE：Ta［℃］

1.490

1.492

1.494

1.496

1.498

1.500

1.502

1.504

1.506

-30 -150

1530

4560

75

TEMPERATURE：Ta［℃］

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

-30 -15

0

1530

456075

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

101214

SUPPLY VOLTAGE：Vcc［V］

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

02

46

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 13 14

SUPPLY VOLTAGE：Vcc［V］

●

BA3259HFP Electrical Characteristics Curves (Unless otherwise specified, Ta=25℃, 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