ADP3160
FEATURES
ADOPT™ Optimal Positioning Technology for Superior Load Transient Response and Fewest Output Capacitors plies with VRM 9.0 with Lowest System Cost Active Current Balancing between Both Output Phases 5-Bit Digitally Programmable 1.1 V to 1.85 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 Pentium® 4 Processors AMD Athlon™ Processors VRM Modules
5-Bit Programmable 2-Phase Synchronous Buck Controller ADP3160/ADP3167
FUNCTIONAL BLOCK DIAGRAM
UVLO AND BIAS
SET RESET CROWBAR 2-PHASE DRIVER LOGIC
PWM1
PWM2
REF GND
3.0V REFERENCE
CMP3 DAC+24% PWRGD
OSCILLATOR CMP CMP2 DAC- 18% CS- CMP CMP1 CS+
ADP3160/ADP3167
VID DAC gm
VID4
VID3
VID2
VID1
VID0
GENERAL DESCRIPTION
The...
