ME3100 Power Management IC – 1A Synchronous DC/DC Buck Converter | 2.5–6V, 1.5MHz, SOT23-5

The ME3100 is a high-efficiency Power Management IC integrating a synchronous DC/DC step-down (buck) converter for compact portable systems.
It supports a 2.5V to 6.0V 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 ME3100 delivers up to 1A output current while maintaining low quiescent current of 50µA.
Its 1.5MHz switching frequency allows the use of small external components, reducing overall solution size.

Key Specifications

• Input Voltage (VIN): 2.5V – 6.0V

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

• Output Current (IOUT): Up to 1A

• Quiescent Current (IQ): 50µA

• Switching Frequency (FOSC): 1.5MHz

• Operating Mode: Synchronous PFM / PWM

• Output Accuracy: ±2%

• Package: SOT23-5

Applications

• Portable consumer electronics

• Wireless devices

• Embedded power rails

• Battery-powered systems

Features

• High-efficiency synchronous buck

• Automatic PWM/PFM operation

• Low quiescent current

• 1.5MHz switching frequency

• Compact SOT23-5 package