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ISL6232 Datasheet High Efficiency System Power Supply Controller

Manufacturer: Intersil (now Renesas)

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Overview

® ISL6232 Data Sheet April 18, 2005 FN9116.0 High Efficiency System Power Supply Controller for Notebook Computers The ISL6232 is a high efficiency, quad output controller optimized for converting battery, wall adapter or network DC input voltage into system supply voltages required for portable applications.

The ISL6232 includes two PWM controllers generating 0.8V to 5.5V, or fixed 5V and 3.3V outputs.

Key Features

  • 5V and 3.3V always linear regulators with up to 100mA output current. ISL6232 uses constant frequency current mode PWM control with out of phase operation for reducing the input ripple current and the ESR requirement of the input capacitors. Over 95% efficiency is achieved through synchronous rectification and dual PWM/Skip mode architecture. High light load efficiency with skip mode extends the battery life in system standby or shutdown mode. The 5V and 3.3V always linear regulators take their.

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