SC4508A: Buck Or Buck-Boost (Inverting) Current-Mode Controller | Semtech

The SC4508A is a low voltage current mode switching Regulator controller that drives a P-channel power MOSFET with programmable switching frequency. It CAN be configured in either buck or buck boost (inverting) con verters. 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 di vider. The switching frequency is programmable up to 1.5MHz, allowing small inductor and capacitor values to minimize PCB space. The operating current level is pro grammable via an external sense resistor. Accessible ref erence voltage allows users to make output voltage as low as they want. By Semtech Corporation
SC4508A 's PackagesSC4508A 's pdf datasheet
SC4508AMLTRT




SC4508A Pinout, Pinouts
SC4508A pinout,Pin out
This is one package pinout of SC4508A,If you need more pinouts please download SC4508A's pdf datasheet.

SC4508A Application circuits
SC4508A circuits
This is one application circuit of SC4508A,If you need more circuits,please download SC4508A's pdf datasheet.


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