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IRU1176 Datasheet(PDF) 2 Page - International Rectifier

Part No. IRU1176
Description  7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR WITH SHUTDOWN INPUT
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IRU1176 Datasheet(HTML) 2 Page - International Rectifier

   
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2
Rev. 1.4
03/18/02
IRU1176
www.irf.com
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN) ....................................................
7V
Control Input Voltage (VCTRL) .....................................
14V
Power Dissipation .....................................................
Internally Limited
Storage Temperature Range ......................................
-65°C To 150°C
Operating Junction Temperature Range .....................
0°C To 150°C
PACKAGE INFORMATION
7-PIN PLASTIC TO-263 (M)
7-PIN PLASTIC ULTRA THIN-PAKTM (P)
θJA=35°C/W for 0.5" square pad
θJA=35°C/W for 0.5" square pad
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Reference Voltage
VREF
VCTRL=2.75V, VIN=2V, Io=10mA,
1.225
1.250
1.275
V
TJ=25
8C, VADJ=0V
VCTRL=2.7 to 12V, VIN=2.05V to 5.5V,
1.225
1.250
1.275
Io=10mA to 7.5A, VADJ=0V
Line Regulation
VCTRL=2.5V to 7V, VIN=1.75V to 5.5V,
Io=10mA , VADJ=0V
0.5
mV
Load Regulation (Note 1)
VCTRL=2.75V, VIN=2.1V,
Io=10mA to 7.5A, VADJ=0V
5
mV
Dropout Voltage (Note 2)
VADJ=0V for all conditions below:
(VCTRL - VOUT)
VIN=2.05V, Io=1.5A
0.95
V
VIN=2.05V, Io=3A
1.00
VIN=2.05V, Io=4A
1.05
VIN=2.05V, Io=7.5A
1.15
Dropout Voltage (Note 2)
VADJ=0V for all conditions below:
(VIN - VOUT)
VCTRL=2.75V, Io=1.5A
0.075
V
VCTRL=2.75V, Io=3A
0.150
VCTRL=2.75V, Io=4A
0.200
VCTRL=2.75V, Io=7.5A
0.375
Current Limit
VCTRL=2.75V, VIN=2.05V,
DVo=100mV VADJ=0V
7.7
9
A
Minimum Load Current (Note 3)
VCTRL=5V, VIN=3.3V, VADJ=0V
5
10
mA
Thermal Regulation
30ms Pulse
0.01
0.02
%/W
Ripple Rejection
VCTRL=5V, VIN=5V, Io=4A, VADJ=0V,
TJ=25
8C, VRIPPLE=1VPP at 120Hz
60
70
dB
SD Threshold Voltage
VCTRL-1.4
VCTRL-2.2
V
SD Input Current
VCTRL=5V, SD=0V
94
130
mA
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over CIN=1
mF, COUT=10mF and TJ=0 to 1258C.
Typical values refer to TJ=25
8C. VOUT=VSENSE.
VSENSE
SD
VOUT
VIN
VIN
Adj
VCTRL
FRONT VIEW
1
2
3
4
5
6
7
Tab is
VOUT
VSENSE
SD
VOUT
VIN
VIN
Adj
VCTRL
FRONT VIEW
1
2
3
4
5
6
7
Tab is
VOUT


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