AP3585MPTR-G1

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AP3585MPTR-G1 is a DC/DC controller integrated with current-mode PWM control and enhanced Voltage/Current Mode control for improved efficiency and fixed frequency operation. It features external frequency synchronization and adjustable soft-start time, and supports Power Good, thermal warned, and enable functions. This DC/DC controller is designed to provide high-efficiency operations for multiple system voltage applications including general-purpose DC/DC converters, notebook adapter, ac/dc adapters, and multi-phase applications.

AP3585MPTR-G1’s broad application field mainly provides multiple system voltage application solutions such as multi-phase applications, notebook adapters, and AC/DC adapters. It offers ultra-low standby current consumption and adjustable soft-start time. Its switching frequency is adjustable to a wide range of frequencies for optimized EMI. This product is not only low-cost, but also offers high efficiency, reliable operation, and adjustable features to meet the customers’ diverse requirements.

When it comes to working principle of AP3585MPTR-G1, it is essentially a voltage-controlled DC/DC switching controller which is used to step down voltage from one level to another. The principle employed is that the output of the switching converter is stepped down by turning the Power Mosfet ON/OFF in response to the reference voltage set by the integrated voltage reference. The rate at which the voltage is reduced or stepped down is controlled by the switching frequency. The current sensing circuit of AP3585MPTR-G1 monitors the output current and its voltage control loop is used to adjust the switching frequency and current limit to achieve optimal voltage regulation.

To sum up, AP3585MPTR-G1 has broad application field and great working principle, making it a favorable DC/DC controller for multiple system voltage applications. With its ultra-low standby current consumption, adjustable soft-start time, switching frequency adjustable to a wide range of frequencies and current limit, high efficiency, and reliable operation, AP3585MPTR-G1 will certainly offer great convenience to the customers when dealing with the variety of diverse requirements.

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