FAN73933 datasheet(2/17 Pages) FAIRCHILD

Part #	FAN73933

Description	Half-Bridge Gate Drive IC

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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FAN73933 • Rev. 1.0.0

2

Typical Application Diagrams

Figure 1. Typical Application Circuit

Internal Block Diagram

Figure 2. Functional Block Diagram

+15V

Up to 600V

HIN

LIN

RDT

DBOOT

CBOOT

R1

RBOOT

LO

COM

VB

VS

VDD

LIN

HIN

DT

NC

13

NC

HO

VSS

NC

12

14

11

10

9

8

2

3

1

4

7

5

6

Load

R3

FAN73933

Controller

R2

R4

UVLO

7

5

13

11

HIN

VDD

COM

VB

VS

R

S

Q

HS(ON/OFF)

LS(ON/OFF)

DT

HO

LO

NOISE

CANCELLER

6

12

VSS

2

1

4

3

Pin 8, 9, 10 and 14 are no connection

RDTINT

250K

DELAY

UVLO

SCHMITT

TRIGGER INPUT

SHOOT THOUGH

PREVENTION

DEAD-TIME

{ DTMIN=220ns }

VSS/COM

LEVEL

SHIFT

LIN

250K

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FAN73933 Datasheet(PDF) 2 Page - Fairchild Semiconductor

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