ADP3162
FEATURES
ADOPT™ Optimal Positioning Technology for Superior Load Transient Response and Fewest Output Capacitors plies with VRM 8.5 with Lowest System Cost Active Current Balancing Between Both Output Phases 5-Bit Digitally Programmable 1.05 V to 1.825 V Output Dual Logic-Level PWM Outputs for Interface to External High-Power Drivers Total Output Accuracy ؎0.8% Over Temperature Current-Mode Operation Short Circuit Protection Power Good Output Overvoltage Protection Crowbar Protects Microprocessors with No Additional External ponents APPLICATIONS Desktop PC Power Supplies for: Intel Tualatin Processors VRM Modules
5-Bit Programmable 2-Phase Synchronous Buck Controller ADP3162
FUNCTIONAL BLOCK DIAGRAM
VCC UVLO & BIAS SET RESET CROWBAR REF GND DAC+24% PWRGD CT OSCILLATOR CMP CMP2 DAC- 18% CS- CMP CMP1 P FB gm CS+ 3.0V REFERENCE CMP3 2-PHASE DRIVER LOGIC PWM1
PWM2
VID DAC
VID3
VID2
VID1
VID0
VID25
GENERAL DESCRIPTION
The ADP3162 is a highly efficient dual output...