MIC2177 Datasheet (PDF) Download
Microchip Technology
MIC2177

Description

The MIC2177 is a 200 kHz synchronous buck (step-down) switching regulator designed for high-efficiency, battery-powered applications.

Key Features

  • 4.5V to 16.5V Input Voltage Range
  • Dual Mode Operation for High Efficiency (up to 96%) - PWM Mode for > 200 mA Load Current - Skip Mode for < 200 mA Load Current
  • 100 mΩ Internal Power MOSFETs at 12V Input
  • 200 kHz Preset Switching Frequency
  • Low Quiescent Current - 1.0 mA in PWM Mode - 500 μA in Skip Mode - < 5 μA in Shutdown Mode
  • 100% Duty Cycle for Low Dropout Operation
  • Current-Mode Control - Simplified Loop pensation - Superior Line Regulation
  • Current Limit
  • Thermal Shutdown
  • Undervoltage Lockout