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IRU1150 Fiches technique(PDF) 1 Page - International Rectifier

No de pièce IRU1150
Description  4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
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Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo IRF - International Rectifier

IRU1150 Fiches technique(HTML) 1 Page - International Rectifier

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IRU1150
1
Rev. 1.6
03/18/02
www.irf.com
4A ULTRA LOW DROPOUT POSITIVE
ADJUSTABLE REGULATOR
The IRU1150 is a 4A 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 2.8V or lower voltages from 3.3V ATX power supplies
where high efficiency of a switcher can be achieved with-
out the cost and complexity associated with switching
regulators. One such application is the new graphic chip
sets that require anywhere from 2.4V to 2.7V supply
such as the Intel
I740 chip set.
DESCRIPTION
0.7V Dropout at 4A
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)
5-PIN PLASTIC
5-PIN PLASTIC
8-PIN PLASTIC
TO-263 (M)
Ultra Thin-PakTM (P)
SOIC (S)
0 To 125
IRU1150CM
IRU1150CP
IRU1150CS
PACKAGE ORDER INFORMATION
Data Sheet No. PD94129
Figure 1 - Typical application of IRU1150 in a 3.3V to 2.7V for
I740 chip.
3.3V
IRU1150
2.7V
C1
100uF
C3
100uF
5V
C2
100uF
R1
102
R2
118
1
2
3
4
5
VSENSE
Adj
VOUT
VCTRL
VIN


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