ME3112 Power Management IC – 2A Synchronous DC/DC Buck Converter | 4.1–18V, 1.4MHz, SOT563

The ME3112 is a compact Power Management IC featuring a synchronous DC/DC step-down (buck) converter, designed for space-constrained portable and embedded applications.
It supports a 4.1V to 18V input voltage range and provides an adjustable output voltage from 0.6V to 5V using a 0.6V feedback reference.

Operating in automatic PFM/PWM mode, the ME3112 delivers up to 2A output current while maintaining low quiescent current of 120µA.
Its 1.4MHz switching frequency enables the use of small inductors and capacitors, minimizing overall solution size.

Key Specifications

• Input Voltage (VIN): 4.1V – 18V

• Output Voltage (VOUT): Adjustable (0.6V – 5V, VFB = 0.6V)

• Output Current (IOUT): Up to 2A

• Quiescent Current (IQ): 120µA

• Switching Frequency (FOSC): 1.4MHz

• Operating Mode: Synchronous PFM / PWM

• Output Accuracy: ±2%

• Package: SOT563

Applications

• Compact embedded systems

• Portable electronics

• Consumer power modules

• Battery-powered devices

Features

• High-frequency 1.4MHz operation

• Synchronous buck architecture

• Low quiescent current

• High power density design

• Ultra-small SOT563 package