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IRU1175 Fiches technique(PDF) 1 Page - International Rectifier

No de pièce IRU1175
Description  7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
Download  6 Pages
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Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo IRF - International Rectifier

IRU1175 Fiches technique(HTML) 1 Page - International Rectifier

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IRU1175
2-79
Rev. 1.2
11/29/99
7.5A ULTRA LOW DROPOUT POSITIVE
ADJUSTABLE REGULATOR
The IRU1175 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. This product is specifically designed
to provide well regulated supply for applications requir-
ing very low dropout such as 2.8V from 3.3V ATX power
supplies where the same efficiency as the switcher can
be achieved without the cost and complexity associ-
ated with switching regulators. One such application is
the new graphic chipsets that requires 2.7V supply such
as the Intel I740 chipset.
DESCRIPTION
0.5V Dropout at 7.5A (Equivalent of 67m
Ω)
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built-in Thermal Shutdown
PRELIMINARY DATASHEET
APPLICATIONS
FEATURES
3.3V to 2.7V Intel I740 chipset
TYPICAL APPLICATION
Typical application of IRU1175
PACKAGE ORDER INFORMATION
Tj (
°C)
5-PIN PLASTIC
5-PIN PLASTIC
8-PIN PLASTIC
TO-263 (M)
ULTRA THIN-PAK (P)
SOIC (S)
0 TO 125
IRU1175CM
IRU1175CP
IRU1175CS
3.3V
IRU1175
2.7V
C1
C3
1175app1-1.0
5V
C2
R1
R2
1
2
3
4
5
Vsense
Adj
Vout
Vctrl
Vin
100uF
100uF
10uF
100
1%
124
1%


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