Technical Note

7/15

BA6246, BA6246N, BA6247FP-Y, BA6239A, BA6238A, BA6238AN

www.rohm.com

2009.04 - Rev.A

○

c

2009 ROHM Co., Ltd. All rights reserved.



Block diagram and pin configuration

BA6247FP-Y

Fig.28 BA6247FP-Y

Table 2 BA6247FP-Y

Pin

Name

Function

1

OUT3

Driver output

2

NC

NC

3

NC

NC

4

NC

NC

5

IN1

Control input

6

IN2

Control input

7

GND

GND

8

IN3

Control input

9

VCC1

Power supply (small signal)

10

NC

NC

11

NC

NC

12

NC

NC

13

NC

NC

14

VR

Reference voltage setting pin

15

NC

NC

16

VCC2

Power supply (driver stage)

17

NC

NC

18

OUT1

Driver output

19

GND

GND

20

GND

GND

21

NC

NC

22

OUT2

Driver output

23

NC

NC

24

NC

NC

25

NC

NC

FIN

GND

GND

R3

C4

C1

R2

R1

C5

M

M

C2

C3

14

9

16

1

18

22

5

6

8

CTRL

TSD

IN1

IN2

IN3

VCC2

VCC1

VR

OUT2

OUT1

OUT3

7

19

GND

20

FIN

GND

Fig.29 BA6247FP-Y (HSOP25)

OUT3

NC

GND

NC

NC

IN1

IN2

GND

IN3

VCC1

NC

NC

NC

NC

NC

NC

GND

NC

OUT2

NC

GND

GND

OUT1

NC

VCC2

NC

VR