Preliminary Datasheet 340kHz, 3A Synchronous DC-DC Buck Converter AP3503E General Description The AP3503E is a 340kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 3A load with high efficiency, excellent line and load regulation.
The AP3503E exhibits high efficiency at light load.
The device integrates N-channel power MOSFET switches with low on-resistance.
Current mode control provides fast transient response and cycle-by-cycle current limit.
The AP3503E employs complete protection to ensure system security.
Including output Over Voltage Protection, input Under Voltage Lock Out, programmable Soft Start, Over Temperature Protection a...

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