MIC2178
MIC2178 is 2.5A Synchronous Buck Regulator manufactured by Microchip Technology.
2.5A Synchronous Buck Regulator
Features
- Input Voltage Range: +4.5V to +16.5V
- 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
- 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
Applications
- High-Efficiency, Battery-Powered Supplies
- Buck (Step-Down) DC/DC Converters
- Palmtop puters
- Laptop...
