MIC2183
Overview
Micrel’s MIC2183 is a high efficiency PWM synchronous buck control IC. With its wide input voltage range of 2.9V to 14V, the MIC2183 can be used to efficiently step voltages down in 1- or 2-cell Li Ion battery powered applications, as well as in fixed 3.3V, 5V, or 12V systems.
- Input voltage range: 2.9V to 14V
- >90% efficiency
- Oscillator frequency of 400kHz
- Frequency divide-by-two pin
- Frequency sync to 600kHz
- FreqOut oscillator output allows simple charge pump implementation in low voltage systems
- Front edge blanking
- 5Ω output drivers (typical)
- Soft start
- PWM current mode control
