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ISL78234 - 3A and 4A Compact Synchronous Buck Regulators

This page provides the datasheet information for the ISL78234, a member of the ISL78233 3A and 4A Compact Synchronous Buck Regulators family.

Description

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Features

  • include internal fixed or adjustable soft-start and internal/external compensation. The ISL78233 and ISL78234 are available in a 3mmx3mm 16 Ld Thin Quad Flat (TQFN) Pb-free package and in a 5mmx5mm 16 Ld Wettable Flank Quad Flat No-Lead (WFQFN) package with an exposed pad for improved thermal performance. The ISL78233 and ISL78234 are rated to operate across the temperature range of -40°C to +125°C. Features.
  • 2.7V to 5.5V input voltage range.
  • Very low ON-resistance FETs - P-ch.

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Datasheet preview – ISL78234

Datasheet Details

Part number ISL78234
Manufacturer Renesas
File Size 2.36 MB
Description 3A and 4A Compact Synchronous Buck Regulators
Datasheet download datasheet ISL78234 Datasheet
Additional preview pages of the ISL78234 datasheet.

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Full PDF Text Transcription

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DATASHEET ISL78233, ISL78234 3A and 4A Compact Synchronous Buck Regulators FN8359 Rev.11.01 Jun 16, 2022 The ISL78233 and ISL78234 are highly efficient, monolithic, synchronous step-down DC/DC converters that can deliver 3A (ISL78233), or 4A (ISL78234) of continuous output current from a 2.7V to 5.5V input supply. The devices use current mode control architecture to deliver a very low duty cycle operation at high frequency with fast transient response and excellent loop stability. The ISL78233 and ISL78234 integrate a very low ON-resistance P-channel (35mΩ) high-side FET and N-channel (11mΩ) low-side FET to maximize efficiency and minimize external component count. The 100% duty-cycle operation allows less than 200mV dropout voltage at 4A output current.
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