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ISL91107IR - High Efficiency Buck-Boost Regulator

Description

Power input.

Range: 1.8V to 5.5V.

Connect 22µF capacitor to PGND.

Features

  • Accepts input voltages above or below regulated output voltage.
  • Automatic and seamless transitions between buck and boost modes.
  • Input voltage range: 1.8V to 5.5V.
  • Output current: up to 2A (PVIN = 2.8V, VOUT = 3.3V).
  • High efficiency: up to 96%.
  • 45µA quiescent current maximizes light load efficiency.
  • 2.5MHz switching frequency minimizes external component size.
  • Selectable forced PWM mode.
  • Fully protected for short-c.

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Datasheet preview – ISL91107IR

Datasheet Details

Part number ISL91107IR
Manufacturer Renesas
File Size 801.29 KB
Description High Efficiency Buck-Boost Regulator
Datasheet download datasheet ISL91107IR Datasheet
Additional preview pages of the ISL91107IR datasheet.

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Full PDF Text Transcription

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DATASHEET ISL91107IR High Efficiency Buck-Boost Regulator with 4.1A Switches FN8687 Rev 0.00 March 2, 2015 The ISL91107IR is a highly-integrated buck-boost switching regulator that accepts input voltages either above or below the regulated output voltage. Unlike other buck-boost regulators, this regulator automatically transitions between operating modes without significant output disturbance. This device is capable of delivering up to 2A of output current (PVIN = 2.8V, VOUT = 3.3V) and provides excellent efficiency due to its fully synchronous 4-switch architecture. No-load quiescent current of only 45µA also optimizes efficiency under light load conditions. The ISL91107IR is designed for standalone applications and supports 3.
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