Microchip dsPIC33CK512MP608 EXTERNAL OPAMP MOTOR CONTROL PIM Power Management for dsPIC33CK512MP608-I/PT (80-pin TQFP) [EV93M52A]; 241-2230

The Microchip MCP21LV33 is constant on-time, dual phase synchronous buck controller featuring a unique adaptive ON-time control architecture with Hyper light load and phase shedding features enabled. The MIC21LV33 can be used with external MOSFETs and output filter to create Dual phase single output, high current switch mode power supply.

Part Number: EV93M52A

EV93M52A MIC21LV33 Evaluation Board

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Input Voltage Range: 4.5V to 36V

Adjustable Output From 0.6V To 28V

Adaptive Constant on Time Control

High Delta V Operation

Any Capacitor Stable

0.6V Internal Reference with ±1% Accuracy

Ripple Injection from Third Node, allowing Greater Than 50% Duty Cycles

Hyper light Load and Phase Shedding

Automatic Phase Shedding with User Settable Thresholds or Externally Controlled

Phase Shedding

Accurate Current Balancing Between Phases

Accurate Phasing Between Phases that Are Always 180° Out Of Phase

100 kHz To 800 kHz Switching Frequency Per Phase

High Voltage Internal 5V LDO for Single Supply Operation