Microchip Technology MIC21LV33
The MIC21LV33 is a constant on-time, dual phase, synchronous buck controller featuring a unique adaptive on-time control architecture with HyperLight Load® and phase shedding features enabled. The MIC21LV33 operates over an input supply range from 4.5V to 36V and can be used to supply up to 50A of output current. The output voltage is adjustable down to 0.6V with an ensured accuracy of ±1% at the FSB pin.| Part No. | MIC21LV33 |
|---|---|
| Datasheet | MIC21LV33 Download |
| Manufacturer |  Microchip Technology |
| Description | Advanced COT Buck Controller |
| Buy | Stock & Price |
FEATURES
● Input Voltage Range: 4.5V to 36V● Input Down to 2V when VDD = 5V from External Supply
● Adjustable Output Voltage from 0.6V to 28V
● Adaptive Constant On-Time Control: - High DeltaV operation - Any Capacitor™ stable
● 0.6V Internal Reference with ±1% Accuracy
● Ripple Injection from Third Node Allows Greater than 50% Duty Cycles
● HyperLight Load® and Automatic Phase Shedding
● Ability to Interface with External MCU
● Accurate Current Balancing Between Phases
● Accurate 180° Phasing of Outputs
● 100 kHz to 1 MHz 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
● Droop Feature to Support Adaptive Voltage Positioning (AVP) for Improved Load Transient Response
● Precision Enable Function for Low Standby Current
● External Programmable Soft Start to Reduce Inrush Current
● Lossless RDSON Current Sensing...
