The ISL9444EVAL1Z and ISL9444EVAL3Z evaluation boards are used to evaluate the performance of the ISL9444 triple-output synchronous buck controller.
The ISL9444 is a triple-output synchronous buck controller that integrates three PWM controllers. The ISL9444 offers external soft-start, independent enable functions and integrates UV/OV/OC/OT protection. Its current mode control architecture and internal compensation network keep peripheral component count minimal. A programmable switching frequency ranging from 200kHz to 1200kHz helps to optimize inductor size while the strong gate drivers deliver up to 25A for each PWM channel.
- Wide input voltage range: 4.5V to 28V
- Use lower MOSFET’s rDS(ON) for current sensing
- Extbias pin to save operating loss
- Power failure monitor
- Complete protection: overvoltage, overcurrent, thermal shutdown
- Three independent power-good indicators
- VoX gateway devices
- NAS/SAN devices
- ATX power supplies
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Disclaimer: THIS MATERIAL IS PROVIDED “AS-IS” FOR EVALUATION PURPOSES ONLY. RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (collectively, “Renesas”) DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION, FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. Renesas provides evaluation platforms and design proposals to help our customers to develop products. However, factors beyond Renesas' control, including without limitation, component variations, temperature changes and PCB layout, could significantly affect the product performance. It is the user’s responsibility to verify the actual circuit performance.