MIC2179
Description
The MIC2179 is a 200 kHz synchronous buck (step-down) switching regulator designed for high-efficiency, battery-powered applications.
Key Features
- Input Voltage Range: +4.5V to +16.5V
- Dual-Mode Operation for High Efficiency (up to 96%): - PWM Mode for > 150 mA Load Current - Skip Mode for < 150 mA Load Current
- 150 mΩ Internal Power MOSFETs at 12V Input
- 200 kHz Preset Switching Frequency
- Low Quiescent Current - 1.0 mA in PWM Mode - 600 μA in Skip Mode - < 5 μA in Shutdown Mode
- Current-Mode Control - Simplified Loop pensation - Superior Line Regulation
- 100% Duty Cycle for Low Dropout Operation
- Current Limit
- Thermal Shutdown
- Undervoltage Lockout
