Micrel MIC2183 is a high efficiency PWM synchronous buck control IC from Micrel. It is available in 16-pin SOP and QSOP packages with a junction temperature range from -40°C to +125°C. The input voltage range is 2.9V to 14V and the maximum output current is 5A.
The Micrel MIC2183 is a high efficiency PWM synchronous buck control IC designed for low voltage applications. It features a wide input voltage range of 2.9V to 14V, making it suitable for 1- or 2-cell Li-ion battery powered applications as well as fixed 3.3V, 5V, or 12V systems. Efficiencies over 90% are achievable over a wide range of load conditions.
| Oscillator Frequency | 400kHz |
|---|---|
| Package Options | 16-pin SOP and QSOP |
| Junction Temperature Range | -40°C to +125°C |
The nominal oscillator frequency is 400kHz.
Yes, by raising the FREQ/2 pin to VPP, the frequency is divided by two.
The circuit regulates the feedback pin to 1.245V.