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ISL9111 Datasheet High Efficiency Synchronous Boost Converter

Manufacturer: Renesas

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Datasheet Details

Part number ISL9111
Manufacturer Renesas
File Size 1.34 MB
Description High Efficiency Synchronous Boost Converter
Download ISL9111 Download (PDF)

Overview

DATASHEET ISL9111, ISL9111A Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch FN7602 Rev.4.00 Jun 4, 2012 The ISL9111 and ISL9111A provide a power supply solution for single-cell, dual-cell, or three-cell alkaline, NiCd or NiMH battery-powered applications.

The device has a typical 0.8V start-up voltage and is capable of supplying up to 5.25V output voltage.

Both devices are guaranteed to supply 100mA from a single-cell input and 240mA from a dual-cell input when output is 3.3V.

Key Features

  • Up to 97% Efficiency at Typical Operating Conditions.
  • Minimum Start-up Voltage - 0.8V (ISL9111) - 0.6V (ISL9111A).
  • Minimum Operating Voltage - 0.7V (ISL9111) - 0.5V (ISL9111A).
  • Low Quiescent Current: 20μA (Typical).
  • At VOUT = 3.3V - 100mA Output Current @ VIN = 0.9V - 240mA Output from @ VIN = 1.8V.
  • Logic Control Shutdown (Iq < 1µA).
  • Output Voltage Up to 5.25V.
  • Output Disconnect During Shutdown.
  • Skip Mode Under Lig.

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