OZ9902C
FEATURES
• Constant current or voltage output
• Drives one string of high power LEDs
• 0% to 100% PWM dimming control
• Analog dimming control
• Constant operation frequency
• Power MOSFET over-current protection
• Over-voltage protection
• Output to return and Output to ground short circuit protection
• Output over load protection
• Thermal protection
• LED fault status output
GENERAL DESCRIPTION
OZ9902C is a single channel, high power LED driver designed for LED backlight
applications used in large-size LCD TVs.
The controller supports wide range, direct Pulse Width Modulation (PWM) dim-
ming control and analog dimming control for LED string forward current.
APPLICATIONS
• LCD TV
APPLICATION DIAGRAM
U.S. Patent #7,498,793; and more patents pending.
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