MIC2133 Evaluation Board

The MIC2133 has key features listed below:

·         Input voltage range: 4.5V to 75V

·         Adjustable output from 0.6V to 32V

·         Adaptive Constant on Time Control

            ➢ High Delta V operation

            ➢ Any Capacitor™ Stable

·         0.6V Internal reference with ±1% accuracy

·         Ripple injection from third node which allows greater than 50% duty cycles

·         Hyperlight load and phase shedding

·         Automatic Phase Shedding with User Settable Thresholds or externally controlled phase shedding for the slave

·         Accurate Current balancing between phases

·         Accurate phasing between phases which are always 180o out of phase

·         100 KHZ to 800KHZ switching Frequency per phase

·         High Voltage Internal 5V LDO for single supply operation

·         Secondary LDO to improve system efficiency

·         Supports start up to pre-bias output

·         Remote sense amplifier for tight output regulation

·         Supports Adaptive voltage positioning (AVP) or Droop

·         Precision Enable function for low stand-by current

·         External programmable soft start to reduce inrush current

·         Programmable current limit and hiccup short circuit protection

·         Thermal shut down with hysteresis

·         Die temperature sense on MIC2133

·         Compact size – 5 X 5 mm 32-pin QFN

·         –40°C to +125°C junction temperature range