Microchip Technology MIC2178
2.5A Synchronous Buck Regulator
| Part No. | MIC2178 |
|---|---|
| Datasheet | MIC2178 Download |
| Manufacturer |  Microchip Technology |
| Description | 2.5A Synchronous Buck Regulator |
| Buy | Stock & Price |
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 Compensation - 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 Computers
● Laptop Computers
● Cellular Telephones
● Handheld Instruments
● Battery Chargers
GENERAL DESCRIPTION
The MIC2178 is a 200 kHz synchronous buck (step-down) switching regulator designed for high-efficiency, battery-powered applications. The MIC2178 operates from a 4.5V to 16.5V input and features internal power MOSFETs that can supply up to 2.5A output current.
