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SC2446 Datasheet - Semtech Corporation

SC2446_SemtechCorporation.pdf

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Datasheet Details

Part number:

SC2446

Manufacturer:

Semtech Corporation

File Size:

850.82 KB

Description:

Dual-phase single or two output synchronous step-down controller.

SC2446, Dual-Phase Single or Two Output Synchronous Step-Down Controller

The SC2446 is a high-frequency dual synchronous stepdown switching power supply controller.

It provides outof-phase high-current output gate drives to all N-channel MOSFET power stages.

The SC2446 operates in synchronous continuous-conduction mode.

Both phases are capable of maintaining regulation w

SC2446 Features

* ‹ 2-Phase synchronous continuous conduction mode ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ for high efficiency step-down converters Out of phase operation for low input current ripples Output source and sink currents Fixed frequency peak current-mode control 75mV/-110mV maximum current sense voltage Synth

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