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SC2647 - Multi-Platform Multi-Phase PWM Controller

Description

The SC2647 provides microprocessor core voltage regulation solution up to 4 paralleled PWM channels.

The solution can also be configured as 2, 3, or 4-phase form.

Multi-phase buck regulator utilizes the phase-shift timing control to allow interleaved switching of the power switches.

Features

  • of the SC2647 is its voltage regulation accuracy. Not only it provides better than 0.5% set point accuracy, but also the accuracy to fully complaint with the stringent load line slope specifications mandated by the modern microprocessors. Lossless output current sensing ensures the regulator output voltage is accurately positioned according to the load current condition, and an internal temperature compensation technology further enhances the performance of voltage accuracy. The patented Combi-S.

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Datasheet preview – SC2647

Datasheet Details

Part number SC2647
Manufacturer Semtech Corporation
File Size 248.14 KB
Description Multi-Platform Multi-Phase PWM Controller
Datasheet download datasheet SC2647 Datasheet
Additional preview pages of the SC2647 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com POWER MANAGEMENT Description The SC2647 provides microprocessor core voltage regulation solution up to 4 paralleled PWM channels. The solution can also be configured as 2, 3, or 4-phase form. Multi-phase buck regulator utilizes the phase-shift timing control to allow interleaved switching of the power switches. This architecture minimizes the core voltage ripple and the input current ripple, which leads to optimized voltage regulator design for power density, transient responses, and the thermal performances. To satisfy the highly dynamic nature of the modern microprocessors, the SC2647 adopts peak current mode control topology which ensures wide control loop bandwidth and fast transient responses. The current mode control provides intrinsic phase current matching.
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