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ISL8724 Datasheet Power Sequencing Controllers

Manufacturer: Renesas

Download the ISL8724 datasheet PDF. This datasheet also includes the ISL8723 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ISL8723-Renesas.pdf) that lists specifications for multiple related part numbers.

General Description

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The four channel ISL8723 (ENABLE input), ISL8724 (ENABLE input) offer the designer 4 voltage control when it is required that all four rails are in minimal compliance prior to turn on and that compliance must be maintained during operation.

The ISL8723 has a low power standby mode when it is disabled suitable for battery powered applications.

Overview

ISL8723, ISL8724 Power Sequencing Controllers The Intersil ISL8723 and ISL8724 are 4 channel sequencers controlling the on and off sequence of voltages with undervoltage supply fault protection and a “sequence completed” signal (RESET).

For larger systems, more than 4 voltages can be sequenced by a simple connection of multiple IC's.

These sequencers use an integrated charge pump to drive 4 external low-cost N-channel MOSFET switch gates above the IC bias voltage by 5.3V.

Key Features

  • Enables arbitrary turn-on and turn-off sequencing of up to four power supplies (0.7V to 5V).
  • Operates from 2.5V to 5V supply voltage.
  • Supplies VDD +5.3V of charge pumped gate drive.
  • Adjustable voltage slew rate for each rail.
  • Multiple sequencers can be easily daisy-chained to sequence an infinite number of independent voltages.
  • Glitch immunity.
  • Undervoltage lockout for each monitored supply voltage.
  • 30µA Sleep State (ISL872.

More Datasheets from Renesas

Part Number Description
ISL8723 Power Sequencing Controllers
ISL8700 Adjustable Quad Sequencer
ISL8700A Adjustable Quad Sequencer
ISL8701 Adjustable Quad Sequencer
ISL8701A Adjustable Quad Sequencer
ISL8702 Adjustable Quad Sequencer
ISL8702A Adjustable Quad Sequencer
ISL8703A Adjustable Quad Sequencer
ISL8704A Adjustable Quad Sequencer
ISL8705A Adjustable Quad Sequencer