ME2188-N Power Management IC – 650mA DC/DC Step-Up Converter | 0.9–5.5V, PFM | SOT23

The ME2188-N is a higher-current version of the ME2188 Power Management IC, offering a DC/DC step-up converter with built-in NMOS and PMOS switches.
It operates from 0.9V to 5.5V input voltage and provides a 1.9V to 5.0V regulated output.

With PFM operation and ±2% regulation accuracy, the ME2188-N delivers up to 650mA output current, making it suitable for higher-load boost applications while maintaining compact design and low external component count.

Key Specifications

• Input Voltage (VIN): 0.9V – 5.5V

• Output Voltage (VOUT): 1.9V – 5.0V

• Output Current (IOUT): Up to 650mA

• Switching Frequency (FOSC): 320kHz

• Operating Mode: PFM

• Topology: NMOS & PMOS

• Output Accuracy: ±2%

• Package: SOT23

Applications

• Battery boost power rails

• Portable consumer electronics

• Wireless devices

• 3V to 3.3V conversion

Features

• Higher output current capability

• Low-voltage startup

• High efficiency at light loads

• Integrated power MOSFETs

• Compact SOT23 package