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