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ISL78264 - Automotive Dual Synchronous Buck Controller

Description

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Features

  • VIN operating range: 3.75V to 42V.
  • Low quiescent current: 6µA typical, one channel.
  • Switching frequency: 200kHz to 2.2MHz.
  • Dropout mode for high duty-cycle operation.
  • 25ns on-times for low duty-cycle operation.
  • External synchronization.
  • Programmable spread spectrum clocking.
  • 180° phase shift between channels.
  • 2A Sourcing/3A sinking MOSFET drivers.
  • Boot UVLO and programmable boot refresh time.
  • Exte.

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Datasheet Details

Part number ISL78264
Manufacturer Renesas
File Size 1.99 MB
Description Automotive Dual Synchronous Buck Controller
Datasheet download datasheet ISL78264 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
ISL78264 Automotive Dual Synchronous Buck Controller with Integrated Drivers Datasheet The ISL78264 is a dual buck controller that can operate across a wide VIN range of 3.75V to 42V. It is designed to support wide duty-cycle operation for switching frequencies from 200kHz up to 2.2MHz. To mitigate EMI, it supports synchronization to an external clock or programmable spread spectrum clocking. Its current-mode modulator is ideally suited to tolerate severe line transients. Also, the ISL78264 supports dropout operation and low 25ns on-time to operate through automotive cranking and load dump pulses. The ISL78264 integrates robust MOSFET drivers and readily supports step-down applications requiring high output currents in normal operation.
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