MIC2285A
Overview
The Micrel MIC2285A is a high efficiency 8MHz PWM synchronous buck (step-down) regulator that features a LOWQ® LDO standby mode that draws only 20µA of quiescent current. The MIC2285A allows an ultra-low noise, small size, and high efficiency solution for portable power applications.
- 2.7 to 5.5V supply/input voltage
- Light load LOWQ® LDO mode - 20µA quiescent current - Low noise, 75µVrms
- 8MHz PWM mode - Output current to 600mA - >90% efficiency - 100% maximum duty cycle
- Adjustable output voltage option down to 1V - Fixed output voltage options available
- Ultra-fast transient response
- Requires only a 0.47µH inductor
- Enables sub 0.55mm profile solution
- Fully integrated MOSFET switches
- Micropower shutdown
- Thermal shutdown and current limit protection
