The ISL8112EVAL1Z evaluation board is designed to evaluate the performance of the ISL8112 dual-output synchronous buck controller.
The ISL8112 dual-output synchronous buck controller with 2A integrated driver features high light load efficiency which is especially preferred in systems concerned with high efficiency in a wide load range, like the battery powered system.
ISL8112 includes on-board power-up sequencing, the power-good outputs, digital soft-start, and internal soft-stop output discharge that prevents negative voltages on shutdown. Additionally, the device is implemented with constant on-time PWM control scheme which need no sense resistors and provides 100ns response to load transients while maintaining a relatively constant switching frequency. The unique ultrasonic pulse-skipping mode maintains the switching frequency above 25kHz, eliminating undesired audible noises in low frequency operation at light load. Other features include pulse skipping which maximizes efficiency in light-load applications, and fixed-frequency PWM mode which reduces RF interference in sensitive applications.
- DC/DC, step down
- Input voltage: 5.5V to 25V
- Output voltage: 0.7V to 5.5V
- Current output: 200mA
- Lead free/RoHS compliant
- Power supply for telecom/datacom and POL
- System requiring high efficiency in wide load range
- Compact design with minimum components count
- PDAs and mobile communication devices
- 3 and 4-cell Li+ battery-powered devices
- DDR1, DDR2 and DDR3 applications
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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.