ADP3167
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
REF GND
UVLO AND BIAS
3.0V REFERENCE
SET RESET CROWBAR
2-PHASE DRIVER LOGIC
CMP3
DAC+24%
OSCILLATOR
CMP CMP2
DAC- 18%
CMP CMP1
ADP3160/ADP3167
VID DAC gm
PWM1 PWM2
PWRGD
CS- CS+ FB
VID4 VID3 VID2 VID1 VID0
GENERAL...
