ME3146 Power Management IC – 3A Synchronous DC/DC Buck Converter | 4.2–18V, 600kHz, SOT23-6

The ME3146 is a robust Power Management IC integrating a synchronous DC/DC step-down (buck) converter for mid-voltage industrial and consumer applications.
It supports a 4.2V to 18V input voltage range and provides an adjustable output voltage from 0.8V to 17V using a 0.8V feedback reference.

Capable of delivering up to 3A output current, the ME3146 operates in PFM/PWM automatic mode with high efficiency and stable regulation.
Its 600kHz switching frequency offers an optimal balance between efficiency, EMI, and external component size.

Key Specifications

• Input Voltage (VIN): 4.2V – 18V

• Output Voltage (VOUT): Adjustable (0.8V – 17V, VFB = 0.8V)

• Output Current (IOUT): Up to 3A

• Quiescent Current (IQ): 500µA

• Switching Frequency (FOSC): 600kHz

• Operating Mode: Synchronous PFM / PWM

• Output Accuracy: ±2%

• Package: SOT23-6

Applications

• Industrial control systems

• Consumer power supplies

• Embedded DC/DC converters

• Battery-powered equipment

Features

• High-current 3A capability

• Wide adjustable output range

• Synchronous buck topology

• Stable ±2% output accuracy

• Compact SOT23-6 package