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SC2441 - Very Low Input Voltage 2-Phase Synchronous Step-down Controllers

Description

The SC2441 is a high-frequency triple output switching regulator controller.

It consists of a dual out-of-phase synchronous step-down PWM controller with high-current output gate drives and a 1.7A integrated step-up switching regulator.

Features

  • 2-Phase Synchronous step-down controllers ‹ 2-Phase Synchronous Continuous Conduction Mode For High Efficiency Step-down Converters ‹ Out of Phase Operation For Low Input Current Ripples ‹ Operates Up To 1MHz Per Channel ‹ Configurable Dual Outputs Or 2-Phase Single Output Operation with Peak Current Mode Control ‹ Excellent Current Sharing Between Phases ‹ Wide Input Voltage Range: 1.8V to 15V ‹ Duty Cycle Up to 90% ‹ 0.5V Feedback Voltages For Low-Voltage Outputs ‹ Precision 50mV Current-Limit.

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Datasheet preview – SC2441

Datasheet Details

Part number SC2441
Manufacturer Semtech Corporation
File Size 767.38 KB
Description Very Low Input Voltage 2-Phase Synchronous Step-down Controllers
Datasheet download datasheet SC2441 Datasheet
Additional preview pages of the SC2441 datasheet.

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Other Datasheets by Semtech Corporation
  • SC2441A - 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers
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Full PDF Text Transcription

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Very Low Input Voltage 2-Phase Synchronous www.DataSheet4U.com Step-down Controllers with Step-up Converter POWER MANAGEMENT Description The SC2441 is a high-frequency triple output switching regulator controller. It consists of a dual out-of-phase synchronous step-down PWM controller with high-current output gate drives and a 1.7A integrated step-up switching regulator. The dual-phase step-down controller of the SC2441 can be configured to provide two individually controlled and regulated outputs or a single output with shared current in each phase. The buck controller can operate from an input voltage of at least 4.72V or they can run off a supply generated locally with the integrated boost regulator. This makes the SC2441 ideally suited for applications where a low-voltage input (3.
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