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ISL8033 - Dual 3A Low Quiescent Current High Efficiency Synchronous Buck Regulator

Features

  • include internal digital soft-start, enable for power sequence, controllable soft-stop output discharge during disabled, startup with pre-biased output, 100% maximum duty cycle for lowest dropout, 100% duty cycle operation for smooth transition, less than 8µA logic controlled shutdown current, independent enable, overcurrent protection, and thermal shutdown. The ISL8033, ISL8033A is offered in a 24 Ld 4mmx4mm QFN package with 1mm maximum height. The complete converter occupies less than 5.46cm2.

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Datasheet preview – ISL8033

Datasheet Details

Part number ISL8033
Manufacturer Renesas
File Size 2.04 MB
Description Dual 3A Low Quiescent Current High Efficiency Synchronous Buck Regulator
Datasheet download datasheet ISL8033 Datasheet
Additional preview pages of the ISL8033 datasheet.

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Full PDF Text Transcription

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DATASHEET ISL8033, ISL8033A Dual 3A Low Quiescent Current High Efficiency Synchronous Buck Regulator FN6854 Rev 2.00 March 24, 2011 ISL8033 is a dual integrated power controller rated for 3A per channel with a 1MHz step-down regulator that is ideal for any low power low-voltage applications. The ISL8033A offers 2.5MHz operation for smaller more compacted design. The channels are 180° out-of-phase for input RMS current and EMI reduction. It is optimized for generating low output voltages down to 0.8V each. The supply voltage range is from 2.85V to 6V, allowing for the use of a single Li+ cell, three NiMH cells or a regulated 5V input. It has a guaranteed minimum output current of 3A each when ISET is connected to VDD. The output current of each output is selectable by setting ISET pin.
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