3A, 12V, Asynchronous Buck Converter

The APW7143 is a 3A asynchronous Buck converter with an integrated 70mW P-channel Power MOSFET The APW7143 designed with a current-mode control scheme, CAN convert wide input voltage of 4.3V to 14V to the output voltage adjustable from 0.8V to V to provide excellent IN output voltage regulation. For high efficiency over all load current range, the APW7143 is equipped with an Automatic Skip/PWM mode operation. At light load, the IC operates in the Skip mode, which keeps a constant minimum inductor peak current, to reduce switching losses. At heavy load, the IC works in PWM mode, which inductor peak current is pro- grammed by the COMP voltage, to provide high efficiency and excellent output voltage regulation. The APW7143 is also equipped with power-on-reset, soft-start, and whole protections (undervoltage, over temperature, and current-limit) into a single package. In shutdown mode, the supply current drops below 3mA. This device, available in an 8-pin SOP-8 package, pro- vides a very compact system solution with minimal exter- nal components and PCB area. By Anpec Electronics Corporation
APW7143 's PackagesAPW7143 's pdf datasheet



APW7143 Pinout, Pinouts
APW7143 pinout,Pin out
This is one package pinout of APW7143,If you need more pinouts please download APW7143's pdf datasheet.

APW7143 Application circuits
APW7143 circuits
This is one application circuit of APW7143,If you need more circuits,please download APW7143's pdf datasheet.


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