IRU1261CM International Rectifier, IRU1261CM Datasheet

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IRU1261CM

Manufacturer Part Number
IRU1261CM
Description
IC CONV PENTIUM II TO-263-5
Manufacturer
International Rectifier
Datasheet

Specifications of IRU1261CM

Applications
Converter, Intel Pentium® II
Voltage - Input
3 ~ 7 V
Number Of Outputs
2
Voltage - Output
1.5V, 2.5V
Operating Temperature
0°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
IRU1261-CM
IRU1261-CM
FEATURES
APPLICATIONS
TYPICAL APPLICATION
Note: Pentium II
PACKAGE ORDER INFORMATION
Rev. 2.0
09/19/02
Guaranteed to Provide 1.5V and 2.5V Supplies
with 3.1V Input
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built-In Thermal Shutdown
Pentium II
TM
Figure 1 - Typical application of IRU1261 in a Pentium II
IRU1261
TM
Processor Applications
is trademark of Intel Corp.
3.3V
5V
0 To 150
T
J
(°C)
V
V
V
O U T
O U T
CTRL
Gnd
V
POSITIVE FIXED 1.5V AND 2.5V REGULATOR
IN
1
2
R1
C1
5
4
3
2
1
5-PIN PLASTIC
IRU1261CM
TO-263 (M)
www.irf.com
C2
DUAL 6A AND 1A LOW DROPOUT
DESCRIPTION
The IRU1261, using a proprietary process, combines a
dual low dropout regulator with fixed outputs of 1.5V and
2.5V in a single package with the 1.5V output having a
minimum of 6A and the 2.5V having a 1A output current
capability. This product is specifically designed to pro-
vide well regulated supplies from 3.3V to generate 1.5V
for GTL+ termination resistor supply and 2.5V clock
supply for the new generation of the Pentium II
cessor applications.
Ultra Thin-Pak
5-PIN PLASTIC
IRU1261CP
TM
processor application.
TM
(P)
Data Sheet No. PD94139
C3
C4
2.5V / 1A
1.5V / 6A
IRU1261
TM
pro-
1

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IRU1261CM Summary of contents

Page 1

... GTL+ termination resistor supply and 2.5V clock supply for the new generation of the Pentium II cessor applications 5-PIN PLASTIC 5-PIN PLASTIC TO-263 (M) Ultra Thin-Pak IRU1261CM IRU1261CP www.irf.com Data Sheet No. PD94139 IRU1261 processor application. TM (P) pro- 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 V 4 ...

Page 3

PIN DESCRIPTIONS PIN # PIN SYMBOL PIN DESCRIPTION 1 V The control input pin of the regulator. This pin is connected, via a 10V resistor, to the 5V CTRL supply to provide the base current for the pass transistor of ...

Page 4

IRU1261 APPLICATION INFORMATION Introduction The IRU1261 is a dual fixed output Low Dropout (LDO) regulator available in a TO-263 package. This voltage regulator is designed specifically for Pentium II proces- sor applications requiring 2.5V and 1.5V supplies, elimi- nating the ...

Page 5

... IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 Rev. 2.0 09/19/ Qty Part # 1 IRU1261CM 2 Elect, 680mF, EEUFA1A681L 1 Elect, 220mF, 6.3V, ECAOJFQ221 Panasonic 1 Ceramic, 1mF, 16V, Z5U 1 3V 0.1W, 0805 SMT 1) Use 1" Square Copper Pad area <0.2A. OUT1 2) For I <3A and I OUT2 OUT1 ...

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 ...

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 ...

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 ...

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