BA3258HFP, BA33D15HFP, BA33D18HFP

Technical Note

3/8

www.rohm.co

2009.04 - Rev.A

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

1.490

1.492

1.494

1.496

1.498

1.500

1.502

1.504

1.506

-30 -15

0

1530456075

TEMPERATURE：Ta［℃］



BA3258HFP Electrical Characteristics Curves (Unless otherwise specified, Ta = 25℃, Vcc = 5V)

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］

3.245

3.255

3.265

3.275

3.285

3.295

3.305

3.315

3.325

-30 -15

0

1530

456075

TEMPERATURE：Ta［℃］

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

-30 -15

0

15

30456075

TEMPERATURE：Ta［℃］

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

246

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

2468

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］

0

1

2

3

4

5

0.0

0.2

0.4

0.6

0.8

1.0

OUTPUT CURRENT：Io2［A］

Fig. 4 Input Stability

(3.3 V output with no load)

Fig. 5 Input Stability

(1.5 V output with no load)

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］

Fig.1 Circuit Current

(with no load)

Fig. 6 Load Stability

(3.3 V output)

Fig. 7 Load Stability

Fig. 8 I/O Voltage Difference

(3.3 V output)

(Vcc = 3.8 V, Io1 = 0

 1 A)

Fig. 9 R.R. Characteristics

(ein = 0.5 Vp-p, Io = 5 mA)

Fig. 10 Output Voltage vs

Temperature (3.3 V output)

Fig. 11 Output Voltage vs

Temperature (1.5 V output)

R.R.(1.5 V output)

R.R.(3.3 V output)

Fig. 12 Circuit Current vs

Temperature (Io = 0 mA)

Fig. 2 Circuit Current vs Load Current

Io2 (Io1 = 0

1 A)

Fig. 3 Circuit Current vs Load

Current Io2 (Io2 = 0

 1 A)