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