FAN6747 データシートの表示（PDF） - Fairchild Semiconductor

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FAN6747

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor 

Application Diagram

Figure 1. Typical Application

Internal Block Diagram

HV

4

HV

Startup

VDD 7

IRT

RT 5

Line Voltage

Sample Circuit

Brownout Protection

SCP

OVP

OCP

Auto

Restart

Protection

Vlimit Adjustment

NC

3

Latch

Protection

OTP

Soft

Driver

8 GATE

UVLO

17V/10V

Internal

BIAS

QS

R

OSC

Green

Mode

PWM

Comparator

VDD-OVP

Debounce OVP

VDD-SCP

SCP

1.05V

0.7V

Debounce1

Debounce2

Soft-Start

1R

Circuit

Slope

Compensation

Current Limit

Comparator

OTP

OCP

SCP

Delay

OCP

Delay

OCP

Comparator

OLP

Comparator

4.6V

5V

3R

2 FB

Blanking

Circuit

6 SENSE

GND

Figure 2. Functional Block Diagram

© 2010 Fairchild Semiconductor Corporation

FAN6747 • Rev. 1.0.3

2

www.fairchildsemi.com

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