Data Sheet

ManualsBrandsON SEMICONDUCTOR ManualsPMICsPMIC - gate drivers Non-inverting Half-bridge SO 8

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9

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com

FAN7842 Rev. 1.5 2

FAN7842 High- and Low-Side Gate Driver

Typical Application Circuit

Figure 1. Application Circuit for Half-Bridge

Internal Block Diagram

Figure 2. Functional Block Diagram

D

BOOT

HIN

C

BOOT

15V

R

BOOT

Q1

R1

R2

V

B

HIN

COM

HO

V

S

LO

1

2

LIN

V

CC

5

6

8

3

4

7

R3

R4

600V

Q2

LIN

Load

FAN7842 Rev.01

C1

FAN7842 Rev.02

UVLO

DRIVER

PULSE

GENERATOR

3

1

4

8

6

V

CC

COM

LO

V

B

HO

V

S

R

R

S

Q

DRIVER

HS(ON/OFF)

LS(ON/OFF)

DELAY

UVLO

2

HIN

LIN

NOISE

CANCELLER

5

7

500K

500K