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5-Bit Programmable Synchronous Controller for Pentium® III Processors ADP3157
FUNCTIONAL BLOCK DIAGRAM
VCC DRIVE1 DRIVE2 PGND AGND PWRGD SENSE+ SENSE– DELAY NONOVERLAP DRIVE VREF +15% 2R CROWBAR IN CMPI Q S R gm VREF REFERENCE 1.
20V VID0 SENSE– VID1 VID2 R VT1 VREF +5% VREF –5%
FEATURES Active
Voltage Positioning with Gain and Offset Adjustment Optimal Compensation for Superior Load Transient Response VRM 8.
2, VRM 8.
3 and VRM 8.
4 Compliant 5-Bit Digitally Programmable 1.
3 V to 3.
5 V Output Dual N-Channel Synchronous Driver Total Output Accuracy ؎1% Over Temperature High Efficiency, Current-Mode Operation Short Circuit Protection Over
voltage Protection Crowbar Protects Microprocessors wit...