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ISL73847SEH - PWM Controller

Description

3.

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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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Full PDF Text Transcription

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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. The output can regulate a voltage upwards of 600mV and is limited on the top end by the minimum off time and selected switching frequency. The wide input voltage range makes it a suitable power supply option for a high-current FPGA core and other general-purpose power solutions.
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