Overview
The MIC21LV33 is 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 can be used with external MOSFETs and output filter to create Dual phase single output, high current switch mode power supply.
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
• Hyperlight 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
Documentation
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Document Category
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| MIC21LV33 Evaluation Board User's Guide | User Guide | Download | ||
| EV93M52A_Schematic | Board Design Files | Download | ||
| EV93M52A_BOM | Board Design Files | Download | ||
| EV93M52A Gerber Files | Board Design Files | Download | ||
| EV93M52A China-RoHS Declaration | Certifications | Download | ||
| EV93M52A EU-DoC | Certifications | Download | ||
| MCP2221A USB-C Breakout Board User Guide | User Guides | Download |