Description

The FAN73402 is a single-channel boost controller that integrates an N-channel power MOSFET for PWM dimming using Fairchild’s proprietary planar Double diffused MOSFET (DMOS) technology.

Features

 Single-Channel Boost LED Switch

 Internal Power MOSFET for PWM Dimming: RDS(ON)=1.0Ωat VGS=10V, BVDSS=200V

 Current-Mode PWM Control

 Internal Programmable Slope Compensation

 Wide Supply Voltage Range: 10V to 35V

 LED Current Regulation: ±1

 Programmable Switching Frequency

 Analog and PWM Dimming

 Wide Dimming Ratio: On Time=10µs to DC

 Cycle-by-Cycle Current Limiting

 Thermal Shutdown: 150°C

 Open-LED Protection (OLP)

 Over-Voltage Protection (OVP)

 Over-Current Protection (OCP)

 Error Flag Generation (forExternal Load Switch)

 Internal Soft-Start

 16-Lead SOIC Package

Applications

 LED Backlight for LCD TV

 LED Backlight for LCD Monitor

 LED Lighting