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IRU1176 Fiches technique(PDF) 1 Page - International Rectifier

No de pièce IRU1176
Description  7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR WITH SHUTDOWN INPUT
Download  6 Pages
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Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo IRF - International Rectifier

IRU1176 Fiches technique(HTML) 1 Page - International Rectifier

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IRU1176
1
Rev. 1.4
03/18/02
www.irf.com
7.5A ULTRA LOW DROPOUT POSITIVE
ADJUSTABLE REGULATOR WITH SHUTDOWN INPUT
The IRU1176 is a 7.5A regulator with extremely low drop-
out voltage using a proprietary Bipolar process that
achieves comparable equivalent on resistance to that of
discrete MOSFETs. The IRU1176 also provides a conve-
nient shutdown pin that allows the regulator to be shut-
down and reduce the input current consumption. Unlike
the PNP type regulators this device does not have high
quiescent current during the start up mode making it
ideal for applications where there is limited current ca-
pability such operation from the 5V standby supply of
the computer power supply. One application is the new
generation of RDRAM memory that needs to provide 2.5V
from 3.3V input and be able to operate from 5VSB as
well.
DESCRIPTION
Guaranteed <0.65V Dropout at 7.5A
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built-In Thermal Shutdown
APPLICATIONS
FEATURES
3.3V to 2.7V Intel
I740 Chip Set
TYPICAL APPLICATION
TJ (°C)
7-PIN PLASTIC
7-PIN PLASTIC
TO-263 (M)
Ultra Thin-PakTM (P)
0 To 125
IRU1176CM
IRU1176CP
PACKAGE ORDER INFORMATION
Figure 1 - Typical application of IRU1176.
Data Sheet No. PD94132
3.3V
IRU1176
2.7V
C1
C3
5V
C2
R1
R2
SD
Enable
Q1
VSENSE
SD
Adj
VOUT
VCTRL
VIN
VIN
1
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