Monolithic Power Systems MP2120

Description

The MP2120 is an internally compensated 1.5MHz fixed frequency PWM synchronous step-down regulator. MP2120 operates from a 2.7V to 5.5V input and generates an output voltage as low as 0.8V.The MP2120 integrates an 80mΩ high-side switch and a 60mΩ synchronous rectifier for high efficiency without an external Schottky diode. With peak current mode control and internal compensation, the MP2120 basedsolution delivers a very compact footprint with a minimum component count.The MP2120 is available in a small 3mm x 3mm 10-lead QFN package.

Features

• 2.5A Output Current
• Input Operation Range: 2.7V to 5.5V
• All Ceramic Capacitor Design
• Up to 95% Efficiency
• 1.5MHz Fixed Switching Frequency
• Adjustable Output from 0.8V to 0.9xVIN
• Internal Soft-Start
• Frequency Synchronization Input
• Power Good Output
• Cycle-by-Cycle Current Limiting
• Hiccup Short Circuit Protection
• Thermal Shutdown
• 3mm x 3mm 10-lead QFN Package

Typical applications

• LCD TVs
• Printers
• µP/ASIC/DSP/FPGA Core and I/O Supplies
• Network Equipment
• Point of Load Regulators
• Telecom Equipment

More information

• Datasheet
• IC product information