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CIRCUIT AND METHOD FOR GENERATING PWM SIGNAL FOR DC-DC CONVERTER USING DIMMING SIGNAL AND LED DRIVING CIRCUIT FOR BACKLIGHT HAVING THE SAME
CIRCUIT AND METHOD FOR GENERATING PWM SIGNAL FOR DC-DC CONVERTER USING DIMMING SIGNAL AND LED DRIVING CIRCUIT FOR BACKLIGHT HAVING THE SAME
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机译:使用具有相同信号的背光的调光信号和LED驱动电路为DC-DC转换器产生PWM信号的电路和方法
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摘要
A pulse width modulation (PWM) signal generating circuit that generates a PWM signal for a DC-DC converter using a dimming signal is provided. The PWM signal generating circuit includes a normal PWM signal generator configured to generate a normal PWM signal based on a clock signal provided to the DC-DC converter, and a compensation PWM signal generator configured to generate a compensation PWM signal based on the clock signal and the dimming signal.
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