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ISL85005A Datasheet 5a High Efficiency Synchronous Buck Regulator

Manufacturer: Renesas

Overview: DATASHEET ISL85005, ISL85005A 4.5V to 18V Input, 5A High Efficiency Synchronous Buck Regulator FN8871 Rev.2.00 May 17, 2018 The ISL85005 and ISL85005A are monolithic, synchronous buck regulators with integrated 5A, 18V high-side and low-side FETs. These devices provide an integrated bootstrap diode for the high-side gate driver to reduce the external parts count. These devices also have a wide input voltage range to support applications with input voltage from multi-cell batteries or regulated 5V and 12V power rails. The ISL85005 and ISL85005A regulate the output voltage with current mode control and have an internal oscillator. The switching frequency of the ISL85005 is internally set as 500kHz, and can be synchronized to an external clock signal with frequency ranges from 300kHz to 2MHz. The ISL85005A has a fixed 500kHz switching frequency. The ISL85005 has a fixed 2.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • programmable soft-start to limit inrush current during startup. With t.

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