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FAN73402: LED Backlight Driving Boost Switch

Datasheet: FAN73402 - LED Backlight Driving Boost Switch
Rev. A (1295kB)
Product Overview
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The FAN73402 is a single-channel boost controller that integrates an N-channel power MOSFET for PWM dimming using ON Semiconductor’s proprietary planar Double-diffused MOSFET (DMOS) technology.
The IC operates as a constant-current source for driving high-current LEDs.
It uses Current Mode control with programmable slope compensation to prevent subharmonic oscillation. The IC provides protections including: open-LED protection, over-voltage protection, and direct-short protection for high system reliability.
The IC internally generates a FAULT signal with delay if an abnormal LED string condition occurs. PWM dimming and analog dimming functions can be implemented independently. Internal soft-start prevents inrush current flowing into output capacitor at startup.
Features
 
  • Single-Channel Boost LED Switch
  • Internal Power MOSFET for PWM Dimming: RDS(ON)=1.0Ω at 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)
  • Internal Soft-Start
  • Error Flag Generation (for External Load Switch)
  • 16-Lead SOIC Package
Applications
  • LED TV
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
FEBFAN7631-L17U120A-GEVB
Pb-free
120 W LED Driver at Universal Line
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FAN73402MX Last Shipments
Pb-free
Halide free
FAN73402 SOIC-16 751BG 1 260 Tape and Reel 2500  
Market Leadtime (weeks) : Contact Factory
Case Outlines
751BG   
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