FAN7387 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

FAN7387

Self-Oscillated, High-Voltage Gate Driver

Fairchild Semiconductor 

Internal Block Diagram

VDD 2

RCT 1

DT/SD 3

VDD/4

SQ

R

External

Sync

VDD

Logic Detection

Level

SHUTDOWN

GND 4

DQ

Q

Internal CLK

(Frequency Divider)

CLK/Sync

IN

Determination

UVLO

SET

RESET

HIN

HIGH-SIDE DRIVER

VB

UVLO

Noise S Q

Canceller R Q

8 VB

7 HO

6 VS

DT

LIN

DELAY

5 LO

Always LIN

First

HIN

LIN

LOW-SIDE GATE DRIVER

Figure 5. Functional Block Diagram

© 2008 Fairchild Semiconductor Corporation

FAN7387 Rev. 1.0.0

4

www.fairchildsemi.com

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