SC451 is a highly integrated, high performance single chip solution that provides power for various IMVP-IV ™ and IMVP4+ ™ processors. It features programmable power management features that can reduce processor power consumption, extending battery life.
The SC451 PowerStep IV IC is a single chip high-performance Hysteretic PWM controller designed to power advanced IMVP-IV and IMVP-IV+ processors. It features an integrated SmartDriver and supports Intel's SpeedStep processors to increase battery life by reducing voltage under heavy loads. The device includes a 6-bit DAC for voltage reference setting and operates from 5Vdc with soft-start and programmable current limiting.
| Voltage Range | 0.700V to 1.708V |
|---|---|
| DAC Accuracy | 0.85% |
| Operating Voltage | 5Vdc |
| Package Options | TSSOP-28, TSSOP-38, MLP 6X6-28 |
| Current Limit Pulses | 32 |
It prevents negative current flow in the low-side FET during light loading conditions to save more power.
Yes, it is backward compatible with the SC1479.