IRU1260CP 查看數據表（PDF） - International Rectifier
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IRU1260CP Datasheet PDF : 10 Pages
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Data Sheet No. PD94138
IRU1260
DUAL 6A AND 1A LOW DROPOUT
POSITIVE ADJUSTABLE REGULATOR
FEATURES
Guaranteed <1.3V Dropout at 6A (Output #2)
Guaranteed <0.6V Dropout at 1A (Output #1)
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built-In Thermal Shutdown
APPLICATIONS
Providing a Single Package Solution for GTL+ and
High Speed Bus Termination
Dual Supply P55C Applications
DESCRIPTION
The IRU1260 uses a proprietary process and combines
a dual low dropout adjustable output regulator in a single
package with one output having a minimum of 6A and
the other one having a 1A output current capability. This
product is specifically designed to provide well regulated
supplies for low voltage ICs such as 3.3V to 1.5V and
2.5V supplies for the GTL+ termination and the new
clock for Pentium II applications. Other applications in-
clude low cost dual supply for processors such as Intel
P55C where 2.8V and 3.3 V are needed for the Core
and the I/O supplies from the 5V input.
TYPICAL APPLICATION
3.3V
C1
R1
Vout1 7
R2
U1
Vin 6
Vout2 5
IRU1260 Gnd 4
C4
R3
Vfb2 3
Vfb1 2
R5
R4
Vctrl 1
C5
1260app7-1.0
5V
2.5V / 1A
C2
1.5V / 6A
C3
Figure 1 - 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
Notes: Pentium II is trademark of Intel Corp.
P55C is trademark of Intel Corp.
PACKAGE ORDER INFORMATION
Tj (°C)
0 To 150
7-PIN PLASTIC
TO-220 (T)
IRU1260CT
7-PIN PLASTIC
TO-263 (M)
IRU1260CM
7-PIN PLASTIC
Ultra Thin-Pak (P)
IRU1260CP
Rev. 1.9
07/03/01
1
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