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ISL6323B - Monolithic Dual PWM Hybrid Controller

Features

  • a multi-phase controller to support uniplane VDD core voltage and a single phase controller to power the Northbridge (VDDNB) in SVI mode. Only the multi-phase controller is active in PVI mode to support uniplane VDD only processors. A precision uniplane core voltage regulation system is provided by a two-to-four-phase PWM voltage regulator (VR) controller. The integration of two power MOSFET drivers, adding flexibility in layout, reduce the number of external components in the multi-phase secti.

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Datasheet Details

Part number ISL6323B
Manufacturer Renesas
File Size 1.54 MB
Description Monolithic Dual PWM Hybrid Controller
Datasheet download datasheet ISL6323B Datasheet

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Full PDF Text Transcription

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DATASHEET ISL6323B Monolithic Dual PWM Hybrid Controller Powering AMD SVI Split-Plane and PVI Uniplane Processors FN6879 Rev 0.00 Mar 23, 2009 The ISL6323B dual PWM controller delivers high efficiency and tight regulation from two synchronous buck DC/DC converters. The ISL6323B supports hybrid power control of AMD processors which operate from either a 6-bit parallel VID interface (PVI) or a serial VID interface (SVI). The dual output ISL6323B features a multi-phase controller to support uniplane VDD core voltage and a single phase controller to power the Northbridge (VDDNB) in SVI mode. Only the multi-phase controller is active in PVI mode to support uniplane VDD only processors.
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