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SC2441A - 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers

General Description

The SC2441A is a programmable frequency dual independent or dual/multiple phase single output peak current-mode step-down switching regulator controller.

It is capable of operating from 1.8V to 20V input.

Key Features

  • 2-Phase Synchronous Step-down Controllers u 2-Phase Synchronous Continuous Conduction Mode u Out of Phase Operation for Low Input Current Ripple u Operates up to 1MHz Per Channel u Excellent Current Sharing Between Phases u Duty Cycle Up to 90% u 0.5V Feedback voltages for Low-Voltage Outputs u Starts into Pre-biased Outputs u Adaptive Shoot-through Protection u Lossless Inductor DCR Current Sensing u 23mV Current-limit Threshold u Individual Soft-start, Overload Hiccup and Enable Step-up Regula.

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Datasheet Details

Part number SC2441A
Manufacturer SEMTECH
File Size 1.64 MB
Description 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers
Datasheet download datasheet SC2441A Datasheet

Full PDF Text Transcription for SC2441A (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for SC2441A. For precise diagrams, and layout, please refer to the original PDF.

1.8V to 20V Input 2-Phase Synchronous www.DataSheet4U.com Step-down Controllers with Step-up Converter POWER MANAGEMENT Description The SC2441A is a programmable frequenc...

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er POWER MANAGEMENT Description The SC2441A is a programmable frequency dual independent or dual/multiple phase single output peak current-mode step-down switching regulator controller. It is capable of operating from 1.8V to 20V input. A 0.6A step-up converter in the SC2441A generates an auxiliary gate drive supply when VIN is below 4.5V. This makes the SC2441A well suited for applications where a low-voltage input (<3.3V) is to be stepped down for lower voltage logic, yet the input is too low to drive power MOSFETs efficiently.

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