LB11889M

No.8791-9/11

Pin Assignment

Note: Although the FRAME pins and the GND pin are not connected internally in the IC, the FRAME pins must be

connected to the GND pin externally for ground potential stabilization.

36

35

34

33

32

31

30

25

24

23

22

21

20

19

16

15

14

13

12

11

10

7

6

5

4

3

2

1

VCC

WIN(-)

WIN(+)

VIN(-)

VIN(+)

UIN(-)

UIN(+)

FRAME

FRAME

FGIN(-)

FGIN(+)

FG-OUT

CTL

CTLREF

FRAME

FRAME

VS

ADJ

Rf(POWER)

Rf(SENSE)

GSENSE

FR

GND

FRAME

FRAME

8

LIM

9

FC

18

17

FRAME

FRAME

26

27

29

28

W-OUT

V-OUT

U-OUT

LB11889M

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