Part MIC2155
Description Two-Phase Single-Output PWM Synchronous Buck Controller
Manufacturer Microchip Technology
Size 2.27 MB
Microchip Technology
MIC2155

Overview

The MIC2155 is a two-phase, single-output synchronous buck control IC that features small size, high efficiency, and a high level of flexibility. The IC implements a 500 kHz Voltage mode PWM control with the outputs switching 180 degrees out of phase.

  • Synchronous Buck Control IC with Outputs Switching 180 Degrees Out of Phase
  • Remote Sensing with Internal Differential Amplifier
  • 4.5V-to-14.5V Input Voltage Range
  • Adjustable Output Voltages down to 0.7V
  • 1% Output Voltage Accuracy
  • Starts up into a Pre-biased Output
  • 500 kHz PWM Operation
  • Adaptive Gate Drive allows Efficiencies of over 95%
  • Adjustable Current Limit with no Sense Resistor
  • Senses Low-Side MOSFET Current