DESCRIPTION
It directly supports Intel’s SpeedStep® processors for even longer battery life. The SC451 fully supports the Intel® Geyserville-III core voltage specification. It provides direct “deeper sleep” mode and boot voltage support. Automatic “power-save” is present to prevent negative current flow in the low-side FET during light loading conditions, saving even more power. The high side driver initially turns on with a weak drive to reduce ringing, EMI, and capacitive turn-on of the low side. SC451 FEATURES
IMVP-IV™ and IMVP-IV+™ compliant single chip solution On chip CLK_ENABLE# and IMVP4_PWRGD outputs Backward compatible with SC1479 High speed hysteretic controller Single phase operation Selectable analog or VID controlled DeeperSleep setting 6 bit VID programmable output Integrated drivers with soft high side turn-on Programmable softstart Programmable boot voltage Programmable DeeperSleep voltage Under-voltage lock out on VccA Over-voltage protection...
Semtech Corporation