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ILC6391 - (ILC6390 / ILC6391) SOT-89 Step-Up PFM Switcher

This page provides the datasheet information for the ILC6391, a member of the ILC6390 (ILC6390 / ILC6391) SOT-89 Step-Up PFM Switcher family.

Datasheet Summary

Description

50 mA boost converter using Pulse Frequency Modulation, or PFM, technique, in 5-lead SOT-89 or a 5-lead SOT-23 package.

Only 3 external components are needed to complete the switcher design.

The ILC6390 automatically senses load variations to choose between 55% and 75% duty cycles.

Features

  • 85% conversion efficiency at 50mA out Start-up voltages as low as 900mV ±2.5% accurate outputs Complete switch design with only 3 external components Automatically senses load variations to select the optimal duty cycle and extend conversion efficiency over a wide range.
  • External transistor configuration to run as switcher controller.
  • Shutdown to 0.5µA.

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Datasheet preview – ILC6391

Datasheet Details

Part number ILC6391
Manufacturer Fairchild Semiconductor
File Size 101.47 KB
Description (ILC6390 / ILC6391) SOT-89 Step-Up PFM Switcher
Datasheet download datasheet ILC6391 Datasheet
Additional preview pages of the ILC6391 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com www.fairchildsemi.com ILC6390/91 SOT-89 Step-Up PFM Switcher with Auto-Load Sense Features • • • • • 85% conversion efficiency at 50mA out Start-up voltages as low as 900mV ±2.5% accurate outputs Complete switch design with only 3 external components Automatically senses load variations to select the optimal duty cycle and extend conversion efficiency over a wide range • External transistor configuration to run as switcher controller • Shutdown to 0.5µA Description 50 mA boost converter using Pulse Frequency Modulation, or PFM, technique, in 5-lead SOT-89 or a 5-lead SOT-23 package. Only 3 external components are needed to complete the switcher design. The ILC6390 automatically senses load variations to choose between 55% and 75% duty cycles.
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