ISL8011EVAL1Z

ISL8011EVAL1Z is an integrated FET, 1.2A high-efficiency synchronous buck regulator evaluation board for general purpose point-of load applications. It is optimized for generating low output voltages down to 0.8V. The supply voltage range of 2.7V to 5.5V allows the use of common 3.3V or 5V supply rails and Lithium ion battery inputs. It has a guaranteed minimum output current of 1.2A and a 1.5MHz pulse-width modulation (PWM) switching frequency which allows the use of small external components. The ISL8011 includes a pair of low ON-resistance P-Channel and N-Channel internal MOSFETs to maximize efficiency and minimize external component count. 100% duty-cycle operation allows less than 200mV dropout voltage at 1.2A. The ISL8011 offers a 200ms Power-On-Reset (POR) timer at power-up. When shut down, the ISL8011 discharges the output capacitor. Other features include internal digital soft-start, enable for power sequence, overcurrent protection, and thermal shut-down.

• High efficiency synchronous buck regulator with up to 95% efficiency
• Peak current limiting, short circuit protection
• 3% output accuracy over temperature/load/line
• Less than 1µA logic controlled shut-down current
• Internal loop compensation, internal digital soft-start
• Over-temperature protection