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FAN5632 Datasheet (FAN5631 / FAN5632) Regulated Step-Down Charge Pump DC/DC Converter

Manufacturer: Fairchild (now onsemi)

Overview: FAN5631 / FAN5632 — Regulated Step Down Charge Pump DC/DC Converter October 2007 FAN5631 / FAN5632 Regulated Step-Down Charge Pump DC/DC.

Download the FAN5632 datasheet PDF. This datasheet also includes the FAN5631 variant, as both parts are published together in a single manufacturer document.

General Description

The FAN5631/FAN5632 is an advanced, thirdgeneration switched capacitor step-down DC/DC converter utilizing Fairchild's proprietary ScalarPump technology.

This innovative architecture utilizes scalar switch re-configuration and fractional switching techniques to produce low output ripple, lower ESR spikes, and improve efficiency over a wide load range.

The FAN5631/FAN5632 produces a fixed regulated output voltage from an input voltage of 2.2V to 5V.

Key Features

  • 90% Peak Efficiency.
  • Low EMI.
  • Low Ripple.
  • Selectable Output Voltage:1.2V/1.5V for FAN5631.
  • Efficiency Optimizer Feature for FAN5632.
  • Input Voltage Range: 2.2V to 5.5V.
  • Output Current: Up to 250mA.
  • ±5% Output Voltage Accuracy.
  • 30µA Operating Current.
  • ICC.