1.5a Low Quiescent Current 1.6mhz High Efficiency Synchronous Buck Regulator

The ISL8009A is a high efficiency, monolithic, synchronous Step-down DC/DC Regulator that CAN deliver up to 1.5A continuous output current. 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 single Li+cell, three NiMH cells or a regulated 5V input. The ISL8009A uses current mode control architecture to deliver very low duty cycle operation at high frequency with fast transient response and excellent loop stability. It has flexible operation mode selection of forced PWM mode and Automatic PFM/PWM with as low as 17A quiescent current, achieving high power conversion efficiency under light load condition, hence maximizing battery life. High 1.6MHz pulse-width modulation (PWM) switching frequency allows the use of small external components. The ISL8009A integrates a pair of low ON-resistance P-Channel and N-Channel internal MOSFETs to maximize efficiency and minimize external component count. The 100% duty-cycle operation allows less than 400mV dropout voltage at 1.5A output current. By Intersil Corporation
ISL8009A 's PackagesISL8009A 's pdf datasheet

ISL8009A Pinout, Pinouts
ISL8009A pinout,Pin out
This is one package pinout of ISL8009A,If you need more pinouts please download ISL8009A's pdf datasheet.

ISL8009A Application circuits
ISL8009A circuits
This is one application circuit of ISL8009A,If you need more circuits,please download ISL8009A's pdf datasheet.

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