FAN7602MX View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

FAN7602MX

Green Current Mode PWM Controller

Fairchild Semiconductor 

Typical Application Diagram

FAN7602

FAN7602 Rev. 02

Figure 1. Typical Flyback Application

Internal Block Diagram

Vstr

8

LUVP 1

Latch/

Plimit

2

2V/1.5V

LUVP

OLP

OVP

Latch

Auto Restart

Protection

Latch

Protection

Reset

Circuit

10ms

SS End

VCC

Soft Start

65kHz Clock

with

Frequency

Modulation

PWM

Block

Latch

4V

Plimit

Offset

Generator

Plimit

Offset

Soft-Start

OLP

OLP

SS End

OVP

6 VCC

19V

5V Ref

UVLO

12V/8V

Driver

Circuit

Plimit

Offset

Delay

Circuit

0.95V/0.88V

PWM+

Soft-

Start

Power Limit

Plimit

Offset

5 OUT

3 CS/FB

4 GND

FAN7602 Rev. 03

Figure 2. Functional Block Diagram of FAN7602

© 2006 Fairchild Semiconductor Corporation

FAN7602 Rev. 1.0.2

2

www.fairchildsemi.com

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