Pin Assignment

No. 6109-6/17

LB1987, 1987D, 1987M, 1987H

34

33

32

23

31

30

29

28

27

26

25

24

22

21

20

19

18

123

456

GSENSE

RF(SENSE)

WOUT

VOUT

UOUT

RF(PWR)

FGOUT

FGS

CTL

CTLREF

FC

UIN+

UIN–

VIN+

VIN–

WIN+

LIM

LB1987

Top view

A12217

7

8

9

10

11

12

13

14

15

16

17

Note: The FRAME pins must be connected to ground for ground potential stabilization.

0

0.4

0.2

0.6

0.8

1.0

–20

0

20

40

60

100

80

Pd max — Ta

0.77 W

0.46 W

Ambient temperature, Ta — °C