SC4508A Datasheet - Semtech Corporation

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SC4508A Buck or Buck-Boost Current Mode Controller

Buck or Buck-Boost (Inverting) Current Mode Controller POWER MANAGEMENT .
The SC4508A is a low voltage current mode switching regulator controller that drives a P-channel power MOSFET with programmable switching frequency.

SC4508A_SemtechCorporation.pdf

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Datasheet Details

Part number:

SC4508A

Manufacturer:

Semtech Corporation

File Size:

465.39 KB

Description:

Buck or Buck-Boost Current Mode Controller

Features

* Wide input voltage range 2.7V to 15V Programmable output voltage Programmable switching frequency up to 1.5MHz Buck or buck boost (inverting) configuration Current mode control with slope compensation Very low quiescent current in shutdown mode Accessible reference voltage Hiccup m

Applications

* Low power point of use converters Single or multiple output low power converters Positive and/or negative output voltage DSL cards Graphic cards I/O cards Negative bias supplies Typical Application Circuits Vin Vin V+ V+ VREF VREF CS FB+ OUT FB- FB+ FB- SC4508A SC4508A CS COMP

SC4508A Distributors

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SC4508A Buck Buck-Boost Current Mode Controller Semtech Corporation

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