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Chip information, Selector guide pin configuration – Rainbow Electronics MAX5953D User Manual

Page 25

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MAX5953A/MAX5953B/MAX5953C/MAX5953D

IEEE 802.3af PD Interface and PWM Controllers

with Integrated Power MOSFETs

______________________________________________________________________________________

25

Chip Information

PROCESS: BiCMOS

Selector Guide

Pin Configuration

PART

PGOOD or

PGOOD

UVLO

MAX5953A

PGOOD

Adjustable

MAX5953B

PGOOD

Fixed

MAX5953C

PGOOD

Adjustable

MAX5953D

PGOOD

Fixed

TOP VIEW

MAX5953A
MAX5953B
MAX5953C
MAX5953D

THIN QFN

7mm x 7mm

13

14

15

16

17

18

19

20

21

22

23

24

N.C.

N.C.

OUT

OUT

N.C.

**

N.C.

CS

PPWM

GND

PGND

CSS

48

47

46

45

44

43

42

41

40

39

38

37

1

2

3

4

5

6

7

8

9

10

11

12

N.C.

N.C.

N.C.

RAMP

RCFF

FLTINT

RTCT

REGOUT

INBIAS

HVIN

N.C.

DCUVLO

*UVLO FOR MAX5953A/MAX5953C
N.C. FOR MAX5953B/MAX5953D
** PGOOD FOR MAX5953A/MAX5953B
PGOOD FOR MAX5953C/MAX5953D

+

N.C.

V

EE

V

EE

GATE

RCLASS

N.C.

*

N.C.

V+

N.C.

N.C.

N.C.

36

35

34

33

32

31

30

29

28

27

26

25

OPTO

SRC

SRC

XFRMRL

XFRMRL

DRVIN

XFRMRH

XFRMRH

DRNH

DRNH

N.C.

BST