SiC781CD

www.vishay.com

Vishay Siliconix

S14-1638. B, 25-Aug-14

2

Document Number: 62950

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

PINOUT CONFIGURATION

Fig. 2 - SiC781 Pin Configuration

PIN DESCRIPTION

PIN NUMBER

NAME

FUNCTION

1

ZCD_EN

ZCD control. Active high

Supply voltage for internal logic circuitry

Supply voltage for internal gate driver

4

BOOT

High-side driver bootstrap voltage

5, 37, P1

Analog ground for the driver IC

6

GH

High-side gate signal

7

PHASE

Return path of high-side gate driver

8 to 14, P2

Power stage input voltage. Drain of high-side MOSFET

15, 29 to 35, P3

Switch node of the power stage

16 to 28

Power ground

36

GL

Low-side gate signal

38

THWn

Thermal warning open drain output

39

DSBL#

Disable pin. Active low

40

PWM

PWM control input

ORDERING INFORMATION

PART NUMBER

PACKAGE

MARKING CODE

SiC781CD-T1-GE3

PowerPAK MLP66-40L

SiC781

SiC781DB

Reference Board

ZCD_EN 1

VCIN 2

VDRV 3

BOOT 4

CGND 5

GH 6

PHASE 7

VIN 8

VIN 9

VIN 10

28 PGND

27 PGND

26 PGND

25 PGND

24 PGND

23 PGND

22 PGND

21 PGND

30 VSWH

29 VSWH

P1

CGND

P2

VIN

P3

VSWH

Top view

1 ZCD_EN

2 VCIN

3 VDRV

4 BOOT

5 CGND

6 GH

7 PHASE

8 VIN

9 VIN

10 VIN

PGND 28

PGND 27

PGND 26

PGND 25

PGND 24

PGND 23

PGND 22

PGND 21

VSWH 30

VSWH 29

Bottom view

P1

CGND

P2

VIN

P3

VSWH