SC1189 is a power management product produced by Semtech Corp. This product has multiple features, including low-dropout regulator, output voltage stability, overcurrent protection, power-up sequencing, etc.
The SC1189 combines a synchronous voltage mode controller with two low-dropout linear regulators. It provides most of the circuitry necessary to implement three DC/DC converters for powering advanced microprocessors such as Pentium III. The device features a 5-bit DAC for output programmability and is designed for Intel Pentium III requirements.
| Oscillator Frequency | 200 kHz |
|---|---|
| Efficiency | 95% |
| Operating Temperature Range | 0 to +70 °C |
| Junction Temperature Range | -65 to +125 °C |
| Supply Voltage | 4.75V to 5.25V |
The oscillator operates at a fixed frequency of 200 kHz.
No, the synchronous design enables a no heatsink solution.
The output voltage accuracy is 10%.