Technical Note

4/17

BU6650NUX, BU6651NUX, BU6652NUX, BU6653NUX

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2009.09 - Rev.B

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

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Block diagram, recommended circuit diagram, and PACKAGE DIMENSIONS (VSON008X2030)

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Pin configuration diagram

PIN No.

PIN NAME

DESCRIPTION

1

VIN

INPUT Pin

2

STBY1

OUTPUT1 CONTROL Pin

( High : ON, Low : OFF )

3

STBY2

OUTPUT2 CONTROL Pin

( High : ON, Low : OFF )

4

STBY3

OUTPUT3 CONTROL Pin

( High : ON, Low : OFF )

5

GND

GROUND Pin

6

VOUT3

OUTPUT3 Pin

7

VOUT2

OUTPUT2 Pin

8

VOUT1

OUTPUT1 Pin

Device Mark

Series Name

Device Mark a

BU6650NUX

U 6 6 5 0

BU6651NUX

U 6 6 5 1

BU6652NUX

U 6 6 5 2

BU6653NUX

U 6 6 5 3

STBY

VREF

OCP

STBY1

VOUT1

STBY

VREF

OCP

STBY2

VOUT2

STBY

VREF

OCP

STBY3

VOUT3

COUT

VIN

CIN

COUT

COUT

Device Mark a

Fig.1 Block diagram

Fig.2 PACKAGE DIMENSIONS