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The RT8078A is a high efficiency synchronous, step-down DC/DC converter. It's input voltage range from 2.7V to 5.5V that provides an adjustable regulated output voltage from 0.6V to VIN while delivering up to 4A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The switching frequency is fixed internally at 1MHz. The 100% duty cycle provides low dropout operation, hence extending battery life in portable systems. Current mode operation with internal compensation allows the transient response to be optimized over a wide range of loads and output capacitors. The RT8078A is operated in PWM mode to achieve high efficiency for a wide load range. The RT8078A is available in WDFN-10L 3x3 and SOP-8 (Exposed Pad) packages.
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  • 转换效率高达95%
  • 恒定工作频率： 1MHz
  • 无需使用肖特基二极管
  • 0.6V 参考电压，容许低压输出
  • PWM工作模式
  • 100% 占空比支持低压差运行
  • OCP, UVP, OVP, OTP
  • 符合 RoHS 规范，不含卤素
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Portable Instruments Battery Powered Equipment Notebook Computers Distributed Power Systems IP Phones Digital Cameras
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