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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:使用调光信号产生用于dc-dc转换器的PWM信号的电路和方法以及具有该信号的led驱动电路
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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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