iru1261 International Rectifier Corp., iru1261 Datasheet
iru1261
Related parts for iru1261
iru1261 Summary of contents
Page 1
... TM Processor Applications TYPICAL APPLICATION 3. IRU1261 Gnd CTRL 5V Figure 1 - Typical application of IRU1261 in a Pentium II TM Note: Pentium II is trademark of Intel Corp. PACKAGE ORDER INFORMATION T (° 150 Rev. 2.0 09/19/02 DUAL 6A AND 1A LOW DROPOUT POSITIVE FIXED 1.5V AND 2.5V REGULATOR DESCRIPTION The IRU1261, using a proprietary process, combines a dual low dropout regulator with fixed outputs of 1 ...
Page 2
... IRU1261 ABSOLUTE MAXIMUM RATINGS Input Voltage (V ) .................................................... 7V IN Power Dissipation ..................................................... Internally Limited Storage Temperature Range ...................................... -65°C To 150°C Operating Junction Temperature Range ..................... PACKAGE INFORMATION 5-PIN PLASTIC TO-263 ( OUT Gnd 2 V OUT CTRL =308C/W for 1"sq pad JA ELECTRICAL SPECIFICATIONS ...
Page 3
... V 1 The output #1 (low current) of the regulator. A minimum of 100mF capacitor must be OUT connected from this pin to ground to insure stability. BLOCK DIAGRAM CTRL Figure 2 - Simplified block diagram of the IRU1261. Rev. 2.0 09/19/02 pin to insure stability. IN THERMAL + SHUTDOWN 1.20V www.irf.com IRU1261 OUT ...
Page 4
... The example given shows the steps in selecting the proper regulator heat sink for driving the Pentium II processor GTL+ termination re- sistors and the Clock IC using IRU1261 in TO-263 pack- age. : Example ...
Page 5
... TYPICAL APPLICATION PENTIUM APPLICATION 3. IRU1261 Gnd CTRL 5V Figure 3 - Typical application of IRU1261 in the Pentium II output providing for GTL+ termination while 2.5V supplies the clock chip. Note: Pentium trademark of Intel Corp. Ref Desig Description U1 Dual LDO Regulator C1, C4 Capacitor C3 Capacitor C2 ...
Page 6
... IRU1261 (M) TO-263 Package 5-Pin SYMBOL MIN MAX A 10.05 10.668 B 8.28 9.169 C 4.31 4.597 D 0.66 0.91 E 1.14 1.40 G 1.575 1.829 H 14.605 15.875 K 1.143 1.68 L 0.00 0.305 M 2.49 2.74 N 0.33 0.58 P 2.286 2.794 1.143 2.67 U 6.50 REF V 7.75 REF NOTE: ALL MEASUREMENTS ARE IN MILLIMETERS. www.irf.com Rev. 2.0 ...
Page 7
... Rev. 2.0 09/19/02 TM (P) Ultra Thin-Pak 5-Pin SYMBOL MIN MAX A 9.27 9.52 A1 8.89 9.14 B 7.87 8.13 C 1.78 2.03 D 0.63 0.79 E 0.25 NOM G 1.72 H 10.41 10.67 K 0.76 1.27 L 0.03 0.13 M 0.89 1.14 N 0.25 P 0.79 1. 5.59 NOM V 7.49 NOM NOTE: ALL MEASUREMENTS ARE IN MILLIMETERS. www.irf.com IRU1261 ...
Page 8
... IRU1261 PACKAGE SHIPMENT METHOD PKG PACKAGE DESIG DESCRIPTION M TO-263 TM P Ultra Thin-Pak 1 1 Feed Direction Figure A 8 PIN PARTS COUNT PER TUBE Feed Direction www.irf.com PARTS T & R PER REEL Orientation 750 Fig A 2500 Fig Figure B Rev. 2.0 09/19/02 ...