SC4508 Datasheet - Semtech Corporation

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SC4508 Buck or Buck-Boost Current Mode Controller

Buck or Buck-Boost(Inverting) Current Mode Controller POWER MANAGEMENT .
The SC4508 is a low voltage current mode switching regulator controller that drives a P-channel power MOSFET with programmable switching frequency.

SC4508_SemtechCorporation.pdf

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Datasheet Details

Part number:

SC4508

Manufacturer:

Semtech Corporation

File Size:

236.40 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 MLPQ-12 pac

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 VDD VDD VREF VREF FB+ FBCOMP CS FB+ OUT FB- SC4508 SC4508 CS COMP

SC4508 Distributors

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SC4508 Buck Buck-Boost Current Mode Controller Semtech Corporation

Semtech Corporation SC4508-like datasheet