IR3093M

IR3093 DATA SHEET 3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC DESCRIPTION The IR3093 Control IC provides a full featured, cost effective, single chip solution to implement robust power conversion solutions for three different microprocessor families; 1) AMD’s Opteron, 2) AMD’s Athlon or 3) Intel’s VR-10.X family of processors. The user can select the appropriate VID range with a single pin. Control and 3 phase Gate Drive functions are integrated into a single cost effective IC. . In addition to CPU power, the IR3093 offers a compact, efficient solution for high current POL converters. FEATURES x x x x x x x x x x x x x x x x 5 bit or 6 bit VID with 0.5% overall system accuracy Selectable VID Code for AMD Opteron or Athlon or Intel VR10.X Programmable Slew Rate response to “On-the-Fly” VID Code Changes 3A GATELX Pull Down Drive Capability Programmable 100KHz to 540KHz oscillator Programmable Voltage Positioning (can be disabled) Programmable Softstart Programmable Hiccup Over-Current Protection with Delay to prevent false triggering Simplified Powergood provides indication of proper operation and avoids false triggering Operates up to 21V input with 7.9V Under-Voltage Lockout 5V UVL with 4.36V Under-Voltage Lockout threshold Adjustable Voltage, 150mA Bias Regulator provides MOSFET Drive Voltage Enable Input OVP Flag Output detects high side fet short at powerup Pin compatible with IR3092, 2-phase PWM Control IC Available 48L MLPQ package ORDERING INFORMATION Device IR3093...