AP3586BMPTR-G1

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AP3586BMPTR-G1 is a monolithic integrated DC-DC step-down switching power supply controller designed and developed by APEC Corporation. It is particularly suitable for multi-system medium and high current DC-DC buck converter applications. The device adopts synchronous rectification technology, which transcends the traditional PWM buck rectification mode. With a wide input voltage range of 4.5V to 28V, it is mainly used in notebook and desktop computer systems with an output current of up to 5A.

Application Field:

AP3586BMPTR-G1 is mainly suitable for various systems with strong shock and vibration resistance, such as vehicle power supply, external power source, computer notebook, desktop CPU and server applications, as well as green energy applications such as wind power, solar energy, etc. It is also used in digital products such as digital cameras, digital video, cellular phones, PDAs and other products.

Working Principle:

AP3586BMPTR-G1 uses the synchronous rectification technology of PWM buck power supply. Synchronous rectification technology accurately controls the output current, and rectifies the output current through the opposite legs of the MOS tube, which is different from the traditional PWM buck rectification mode. The control circuit adopts a dedicated constant frequency current control PWM control mode, which eliminates bulky control elements, reduces EMI noise emissions, increases the efficiency of the switch, and improves the system integration level.

AP3586BMPTR-G1 can achieve fast load transient response, soft start anti-surge protection, output over-current protection, output over-voltage protection, input over-voltage protection, tracking protection and thermal shutdown. The device also features an integrated power-on reset (POR) protection circuit, undervoltage lockout protection, and a burst mode operation mode that reduces its quiescent current.

Conclusion:

AP3586BMPTR-G1 is a monolithic integrated DC-DC step-down switching power supply controller designed and developed by APEC Corporation. It can be widely used in computer notebook, desktop CPU, vehicle power supply and other application fields, with a wide input voltage range of 4.5V to 28V and an output current of up to 5A. It adopts synchronous rectification technology, which not only accurately controls the output current, but also has high efficiency, good load regulation, low noise and other advantages.

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