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ISL6557 - Multi-Phase PWM Controller

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Datasheet Details

Part number ISL6557
Manufacturer Renesas
File Size 881.76 KB
Description Multi-Phase PWM Controller
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Full PDF Text Transcription

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DATASHEET ISL6557 Multi-Phase PWM Controller for Core-Voltage Regulation FN9059 Rev.2.00 August 2003 The ISL6557 provides core-voltage regulation by driving up to four interleaved synchronous-rectified buck-converter channels in parallel. Intersil multi-phase controllers together with Intersil MOSFET drivers form the basis for the most reliable power-supply solutions available to power the latest industry-leading microprocessors. Multi-phase buckconverter architecture uses interleaved timing to multiply ripple frequency and reduce input and output ripple currents. Lower ripple results in lower total component cost, reduced dissipation, and smaller implementation area. Preconfigured for 4-phase operation, the ISL6557 offers the flexibility of selectable 2- or 3-phase operation.
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