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ISL73847SEH Datasheet PWM Controller

Manufacturer: Intersil (now Renesas)

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Overview

ISL73847SEH Radiation Hardened Single/Dual Phase Current Mode PWM Controller Datasheet The ISL73847SEH is a synchronous buck controller that can operate as a single or dual-phase controller.

It works with the ISL73041SEH (half-bridge GaN FET driver) to generate point-of-load voltage rails for commercial space applications.

It accepts an input voltage range of 4.5V to 19V with a programmable PWM output switching frequency between 250kHz and 1.5MHz with a single resistor.

Key Features

  • a tri-level output that provides excellent protection against faults by driving a mid scale voltage to signal the power stage to enter a Hi-Z condition. The ISL73847SEH operates across the military temperature range from -55°C to +125°C and is available in a 24 Ld hermetically sealed Ceramic Dual Flatpack (CDFP) package or in die form.

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