ADP3156 Datasheet (Analog Devices) - Dual Power Supply Controller

ADP3156, Dual Power Supply Controller

Dual Power Supply Controller for Desktop Systems ADP3156 FUNCTIONAL BLOCK DIAGRAM VCC DRIVE1 DRIVE2 PGND AGND PWRGD SENSE+ SENSE * DELAY NONOVERLAP DRIVE VREF +15% 2R CROWBAR IN OFF CMPI S R gm VREF REFERENCE VLDO 1.20V FB OFF-TIME CONTROL VIN SENSE * R VT1 VREF +5% VREF *5%

ADP3156 Features

* Active Voltage Positioning with Gain and Offset Adjustment Optimal Compensation for Superior Load Transient Response Fixed 1.5 V, 1.8 V and 2.5 V Output Versions Dual N-Channel Synchronous Driver On-Board Linear Regulator Controller Total Output Accuracy ؎1% Over Temperature High Efficiency, Current