Description
The SC450 PowerStep IV™ IC is a single chip high-performance Hysteretic PWM controller. With its integrated
SmartDriver™, it powers advanced IMVP-IV™ and IMVP4+™ processors.
FEATUREs
IMVP-IV™ and IMVP4+™compliant single chip solution
On chip CLK_ENABLE# and IMVP4_PWRGD outputs
Backward compatible with SC1476
High speed hysteretic controller
6 bit VID programmable output
Integrated drivers with soft high side turn-on
Programmable softstart
Programmable boot voltage
Programmable DeeperSleep voltage
Dynamic phase current matching
Under-voltage lockout on VccA
Over-voltage protection on CORE
Current Limit protection on CORE
Thermal protection
Powergood flag with blanking during VID or DeeperSleep mode changes
Automatic powersave at light load
Slew rate limited DAC
TSSOP-38 package
APPLICATIONs
Notebook and Laptop computers
Embedded applications