FAN7554 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

FAN7554

Versatile PWM Controller

Fairchild Semiconductor 

Temperature Characteristics

( -25°C ≤ Ta ≤ 85°C )

Parameter

Vref Temperature Stability

Fosc Temperature Stability

PIN Array

Symbol

∆VREF3

∆FOSC2

Value

±0.5

±5

Vref

Vcc

OUT

GND

8

7

6

5

YWW

FA N7 5 5 4

1

2

3

4

FB

S/S

IS

Rt/Ct

FAN7554

Unit

%

%

PIN Definitions

Pin Number

1

2

3

4

5

6

7

8

Pin Name

FB

S/S

IS

Rt/Ct

GND

OUT

Vcc

Vref

Pin Function Description

Inverting(-) Input of PWM Comparator, ON/OFF Control & OLP Sensing

Terminal.

Soft Start

Non-Inverting(+) Input of PWM Comparator, OCL Sensing Terminal

Oscillator Time Constant(Rt/Ct)

Ground

Output of Gate Driver

Power Supply

Output of 5V Reference

3

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