SC4508: Buck Or Buck-Boost (Inverting) Current-Mode Controller | Semtech

The SC4508 is a low voltage current mode switching regu- lator controller that drives a P-channel Power MOSFET with programmable switching frequency. It CAN be con- figured in either buck or buck boost (inverting) convert- ers. The converters CAN be operated from 2.7V to 15V input voltage range. The typical operating supply current is 3mA and a shutdown pin allows the user to turn the controller off reducing it to less than 200. The output voltage CAN adjusted by external resistor divider. The switching frequency is programmable up to 1.5MHz, allowing small inductor and capacitor values to minimize PCB space. The operating current level is programmable via an external sense resistor. Accessible reference volt- age allows users to make output voltage as low as they want. By Semtech Corporation
SC4508 's PackagesSC4508 's pdf datasheet
SC4508IMLTRT




SC4508 Pinout, Pinouts
SC4508 pinout,Pin out
This is one package pinout of SC4508,If you need more pinouts please download SC4508's pdf datasheet.

SC4508 Application circuits
SC4508 circuits
This is one application circuit of SC4508,If you need more circuits,please download SC4508's pdf datasheet.


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