IRU3027 International Rectifier Corp., IRU3027 Datasheet
IRU3027
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IRU3027 Summary of contents
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... The IRU3027 controller IC is specifically designed to meet VRM 9.0 specification for next generation microproces- sor applications requiring multiple on-board regulators. The IRU3027 provides a single chip controller IC for the Vcore, three LDO controllers, one with an automatic se- lect pin that connects to the Type Detect pin of the AGP slot for the AGP V for the 1 ...
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... IRU3027 ABSOLUTE MAXIMUM RATINGS V5 Supply Voltage .................................................... 7V V12 Supply Voltage .................................................. 20V Storage Temperature Range ...................................... -65 To 150°C Operating Junction Temperature Range ..................... PACKAGE INFORMATION 28 PIN WIDE BODY PLASTIC SOIC (W) TOP VIEW Drive2 1 28 V12 Fix UGate 2 27 VID4 3 26 Phase VID3 LGate 4 25 ...
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... SEN V 1 Ramping Down SEN Select <0.8V Select >2V Fix=Gnd Fix=Open Fix=Gnd Fix=Open R =3mA L R =5K, Pull- Ramping Up SEN V 1 Ramping Down SEN Io=3mA OCSet=0V, Phase=5V www.irf.com IRU3027 MIN TYP MAX UNITS 100 ns 200 200 ns 217 KHz 1 ...
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... IRU3027 PIN DESCRIPTIONS PIN# PIN SYMBOL PIN DESCRIPTION ...
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... A high frequency capacitor (typically 1mF) must be placed close to this pin and PGnd pin and be connected directly from this pin to the ground plane for the noise free operation. Rev. 1.5 07/17/02 . DDQ 1 to Fb1 must be less than 1000V. OUT www.irf.com IRU3027 1 and ground to adjust the OUT of the power MOSFET ...
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... SEN 2 Fix 0.9Vset Drive4 15 R 1.26V 3R Drive3 18 Select 11 1.5V 3. Drive2 SEN Figure 2 - Simplified block diagram of the IRU3027. 6 Over Vset Enable Voltage PWM + Control Slope Comp Osc Soft Current Start & Enable Fault Logic www.irf.com 21 Fb V12 27 UGate V12 ...
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... TYPICAL APPLICATION 12V L1 5V C19 C15 C1 Type Detect R1 Vcc3 C18 C22 Q10 V 2 OUT 1.5V / 3.3V C25 Q12 V 4 OUT 1.8V C37 Figure 3 - Typical application of IRU3027 for the AMD Slot A socket. Rev. 1.5 07/17/ R17 R4 C20 R3 C27 C17 Q2 Q1 V12 V5 OCSet R5 SD UGate Fix Q5 Select Phase Q7 ...
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... IRU3027 IRU3027 APPLICATION PARTS LIST Dual Layout with HIP6019 Ref Desig Description Q1, 6 Transistor Q2 MOSFET Q5, 11 Transistor Q7 MOSFET Q10 MOSFET Q12 MOSFET D1 Diode L1 Inductor L2, 3 Inductor C1 Capacitor, Ceramic C9 Capacitor, Electrolytic C15 Capacitor, Electrolytic C16 Capacitor, Ceramic C17, 18, Capacitor, Ceramic ...
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... Surface Mount, Wide Body PIN NO. 1 NOTE: ALL MEASUREMENTS ARE IN MILLIMETERS. Rev. 1.5 07/17/02 (W) SOIC Package C E DETAIL 0.51 0.020 SYMBOL 28-PIN MIN MAX A 17.73 17.93 B 1.27 BSC C 0.66 REF D 0.36 0.46 E 7.40 7.60 F 2.44 2.64 G 0.10 0.30 I 0.23 0.32 J 10.11 10. 0.51 1.01 R 0.63 0.89 T 2.44 2.64 www.irf.com IRU3027 H L DETAIL ...
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... IRU3027 PACKAGE SHIPMENT METHOD PKG PACKAGE DESIG DESCRIPTION W SOIC, Wide Body IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 10 PIN PARTS COUNT PER TUBE Feed Direction Figure A Visit us at www.irf.com for sales contact information Data and specifications subject to change without notice. 02/01 www ...