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ISL9120IIN-EVZ

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Compact High-Efficiency Low Power Buck-Boost Regulator Evaluation Board

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ISL9120IIx-EVZ User Guide

Overview

The ISL9120IIN-EVZ platform allows for quick evaluation of the high-performance features of the ISL9120 buck-boost regulator. The ISL9120IIN-EVZ evaluates the ISL9120IINZ featuring fixed 3.3V output.

The ISL9120 is a highly integrated buck-boost switching regulator for systems using new battery chemistries in a 1.41mm x 1.41mm WLCSP package. They use Renesas' proprietary buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and very low output voltage ripple when the input voltage is close to the output voltage.

ISL9120IIN-EVZ Fixed 3.3V Output Evaluation Board
  • Small, compact design
  • Jumper selectable EN (enabled/disabled)
  • Jumper selectable BYP (buck-boost/forced bypass)
  • Connectors, test points and jumpers for easy probing
  • Fixed 3.3V output voltage

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The ISL9120 offers designers the flexibility to cover a variety of design needs by operating from a Vin of 1.8V to 5.5V and an adjustable output voltage from 1V to 5.2V. Its adaptive PFM operation with forced bypass mode and 2A switches support both low load and high load currents with high efficiency, ensuring longer battery life and less heat buildup. The regulator also delivers 800mA current with 2.5V input and 3.3V output.