
Microchip Technology
General Description
The MIC45212 is a synchronous, step-down regulator module, featuring a unique adaptive ON-time control architecture. The module incorporates a DC-to-DC controller, power MOSFETs, bootstrap diode, bootstrap capacitor and an inductor in a single package, simplifying the design and layout process for the end user.
FEATUREs
• No Compensation Required
• Up to 14A Output Current
• >93% Peak Efficiency
• Output Voltage: 0.8V to 0.85*VIN with ±1% Accuracy
• Adjustable Switching Frequency from 200 kHz to 600 kHz
• Enable Input and Open-Drain Power Good Output
• Hyper Speed Control® (MIC45212-2) Architecture enables Fast Transient Response
• HyperLight Load® (MIC45212-1) improves Light Load Efficiency
• Supports Safe Start-up into Pre-Biased Output
• -40°C to +125°C Junction Temperature Range
• Thermal Shutdown Protection
• Short-Circuit Protection with Hiccup mode
• Adjustable Current Limit
• Available in 64-Pin 12 mm x 12 mm x 4 mm QFN Package
APPLICATIONs
• High-Power Density Point-of-Load Conversion
• Servers, Routers, Networking and Base Stations
• FPGAs, DSP and Low-Voltage ASIC Power Supplies
• Industrial and Medical Equipment