ISL8601

® ISL8601 Data Sheet March 23, 2007 FN6449.0 PRELIMINARY* *All functional details and specifications are preliminary and subject to change Single-Phase, PMBus-Enabled PWM Controller with Integrated FET Drivers The ISL8601 is a single-phase PWM controller with integrated MOSFET drivers utilizing analog voltage mode control. The ISL8601 features extensive PMBus compliance that enables rapid and flexible power supply design and comprehensive product evaluation and testing. Exceptional flexibility in the customization of operating parameters and system monitoring functions is provided via the large PMBus command set. The ISL8601 supports both low-side MOSFET rDS(ON) and Inductor DCR current sensing. Programmable temperature compensation for sensed current values is provided to ensure maximum accuracy. In addition to the I2C interface, select PMBus commands for the ISL8601 can also be programmed via external resistors, bringing the power and flexibility of PMBus into low-cost power supply systems. Features Input Voltage Range: +1.8V to 13.2V VBIAS Voltage Range: +4.5V to 13.2V Minimum Output Voltage: +0.5V ±1.0% System Accuracy Over the Range of -40°C to +85°C When Using the 0.8V Reference Internal Reference Voltage Programmable from 0.4V to 0.9V in 4mV Steps Integrated 2A to 4A MOSFET Drivers External Frequency Synchronization Selectable Phase Delay: 0°, 90°, 120°, 180°, 240°, or 270° Precision MOSFET rDS(ON) or Inductor DCR Current Sensing Voltage Feedfo...