
Fairchild Semiconductor
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