The ISL85001 is a high-performance, simple outputcontroller that provides a single, high frequency powersolution for a variety of point-of-load applications. TheISL85001 integrates a 1A standard buck PWM controller andswitching MOSFET.The PWM controller in the ISL85001 drives an internalswitching N-Channel power MOSFET and requires anexternal Schottky diode to generate an output voltage from0.6V to 19V. The integrated power switch is optimized forexcellent thermal performance for up to 1A of output current.The standard buck input voltage range supports a fixed 5Vor variable 5.5V to 25V range. The PWM regulator switchesat a fixed frequency of 500kHz and utilizes simple voltagemode control with input voltage feed-forward to provideflexibility in component selection and minimize solution size.Protection features include overcurrent, undervoltage andthermal overload protection integrated into the IC. TheISL85001 power-good signal output indicates loss ofregulation on the PWM output.ISL85001 is available in a small 4mmx3mm Dual FlatNo-Lead (DFN) package.
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