SC4603 Datasheet - Semtech Corporation

SC4603, High Efficiency Synchronous Buck

Very Low Input, MHz Operation, High Efficiency Synchronous Buck POWER MANAGEMENT .
The SC4603 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from input supply range 2.

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SC4603_SemtechCorporation.pdf

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Datasheet Details

Part number:

SC4603

Manufacturer:

Semtech Corporation

File Size:

360.13 KB

Description:

High Efficiency Synchronous Buck

Features

* BICMOS voltage mode PWM controller 2.25V to 5.5V Input voltage range Output voltages as low as 0.5V Sleep mode (Icc = 10µA typ) Lossless adjustable overcurrent protection Combination pulse by pulse & hiccup mode current limit High efficiency synchronous switchin

Applications

* where cost, size and efficiency are critical. The SC4603 drives external complementary power MOSFETs; P-channel on the high side and N-channel on www. DataSheet4U. com the low side. The use of high side P-channel MOSFETs eliminates the need for an external charge pump and simplifies the high side gate

SC4603 Distributors

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SC4603 High Efficiency Synchronous Buck Semtech Corporation

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