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IRU1260CMTR

P1-P3P4-P6P7-P9P10-P12
IRU1260
7
Rev. 2.1
09/19/02
www.irf.com
TYPICAL APPLICATION
PENTIUM ΙΙΙΙ APPLICATION
Ref Desig Description Qty Part # Manuf
U1 Dual LDO Regulator 1 IRU1260CM IR
C1, C3 Capacitor 2 Elect, 680mF, EEUFA1A681L Panasonic
C2 Capacitor 1 Elect, 220mF, 6.3V, ECAOJFQ221 Panasonic
C4 Capacitor 1 Ceramic, 0.1mF, SMT, 0805 Panasonic
C5 Capacitor 1 Elect,100mF, 6.3V, ECAOJFQ101 Panasonic
R1 Resistor 1 11KV, 1%, SMT, 0805 Panasonic
R2, R4 Resistor 2 10.2KV, 1%, SMT, 0805 Panasonic
R3 Resistor 1 2.55KV, 1%, SMT, 0805 Panasonic
R5 Resistor 1 3V, 5%, SMT, 0805 Panasonic
HS1 Heat Sink Use 1" Square Copper Pad area if IOUT2<1.7A &
IOUT1<0.2A. For IOUT2<3A & IOUT1<0.5A, use
IRU1260CT and Thermalloy 6030B
Figure 5 - Typical application of IRU1260 in the Pentium ΙΙ design with the 1.5V output
providing for GTL+ termination while 2.5V supplies the clock chip.
Note: Pentium ΙΙ is trademark of Intel Corp.
3.3V 2.5V / 1A
1.5V / 6A
C1
R1
R2
R3
R4
C2
C3
IRU1260
5V
C5
U1
C4
R5
V
CTRL
V
FB
1
V
FB
2
Gnd
V
OUT
2
V
IN
V
OUT
1
1
2
3
4
5
6
7
IRU1260
8
Rev. 2.1
09/19/02
www.irf.com
TYPICAL APPLICATION
RAMBUS APPLICATION
Figure 6 - Typical application of IRU1260 in the Rambus
TM
design with the 2.5V output
providing for memory termination while 3.3V supplies the on board logic.
Note: Rambus
TM
is trademark of Rambus Corp.
Ref Desig Description Qty Part # Manuf
U1 Dual LDO Regulator 1 IRU1260CM IR
C1, C2, C3 Capacitor 3 Elect, 220mF, 6.3V, ECAOJFQ221 Panasonic
R1 Resistor 1 11KV, 1%, SMT, 0805 Panasonic
R2, R4 Resistor 2 10.2KV, 1%, SMT, 0805 Panasonic
R3 Resistor 1 17.8KV, 1%, SMT, 0805 Panasonic
HS1 Heat Sink 1" Square Copper Pad area if IOUT2<1.2A &
IOUT1<0.5A. For IOUT2<3A & IOUT1<0.5A, use
Thermalloy 6030B
5V 2.5V
3.3V
C1
R1
R2
R3
R4
C2
C3
IRU1260
U1
V
CTRL
V
FB
1
V
FB
2
Gnd
V
OUT
2
V
IN
V
OUT
1
1
2
3
4
5
6
7
IRU1260
9
Rev. 2.1
09/19/02
www.irf.com
TYPICAL APPLICATION
INTEL 740 GRAPHICS CHIP APPLICATION
Ref Desig Description Qty Part # Manuf
U1 Dual LDO Regulator 1 IRU1260CM IR
C1, C3 Capacitor 2 Elect, 680mF, EEUFA1A681L Panasonic
C4 Capacitor 1 Ceramic, 0.1mF, SMT, 0805 Panasonic
C5 Capacitor 1 Elect,100mF, 6.3V, ECAOJFQ101 Panasonic
R4 Resistor 1 10.2KV, 1%, SMT, 0805 Panasonic
R3 Resistor 1 12.7KV, 1%, SMT, 0805 Panasonic
R5 Resistor 1 3V, 5%, SMT, 0805 Panasonic
Figure 7 - Typical application of IRU1260 to provide 2.7V from the 3.3V bus for the Intel 740 graphics chip.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information
Data and specifications subject to change without notice. 02/01
3.3V
2.7V
C1
R3
R4
C3
IRU1260
5V
C5
U1
C4
R5
V
CTRL
V
FB
1
V
FB
2
Gnd
V
OUT
2
V
IN
V
OUT
1
1
2
3
4
5
6
7
P1-P3P4-P6P7-P9P10-P12

IRU1260CMTR

Mfr. #:
Buy IRU1260CMTR
Manufacturer:
Infineon Technologies
Description:
IC REG CONV PENTIUM 2OUT TO263-7
Lifecycle:
New from this manufacturer.
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