IRU1175 Ver la hoja de datos (PDF) - International Rectifier
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IRU1175 Datasheet PDF : 6 Pages
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IRU1175
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin) ................................................. 6V
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
8-PIN PLASTIC SOIC ( S )
5-PIN PLASTIC TO-263 ( M )
TOP VIEW
Vctrl 1
8 Vout
Vin 2
7 Vout
Adj 3
6 Vout
Vsense 4
5 Vout
FRONT VIEW
5
4
3
2
1
Vin
Vctrl
Vout
Adj
Vsense
θJA=55°C/W for 1" Sq pad area
θJA=35°C/W for 0.5" square pad
5-PIN PLASTIC ULTRA THIN-PAK (P)
FRONT VIEW
5
4
3
2
1
Vin
Vctrl
Vout
Adj
Vsense
θJA=35°C/W for 0.5" square pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over, Cin=1µF, Cout=10µF, and Tj=0 to 125°C. Typical
values refer to Tj=25°C. Vout=Vsense.
PARAMETER
Reference Voltage
SYM TEST CONDITION
Vref Vctrl=2.75V, Vin=2V, Io=10mA
MIN TYP MAX UNITS
1.243 1.250 1.257
V
Tj=25, Vadj=0V
Vctrl=2.7to12V, Vin=2.05V to 5.5V, 1.237 1.250 1.263
Io=10mA to 7.5A, Vadj=0V
Line Regulation
Vctrl=2.5Vto7V, Vin=1.75Vto5.5V
Load Regulation (note 1)
Io=10mA , Vadj=0V
Vctrl=2.75V, Vin=2.1V, Io=10mA
0.5 3
mV
to 7.5A, Vadj=0V
2
6
mV
Dropout Voltage (note 2)
(Vctrl - Vout)
Vadj=0V for all conditions below.
Vin=2.05V, Io=1.5A
0.95
V
Vin=2.05V, Io=3A
1.00
Vin=2.05V, Io=5A
1.05
Dropout Voltage (note 2)
Vin=2.05V, Io=7.5A
Vadj=0V for all conditions below.
1.15 1.30
(Vin - Vout)
Vctrl=2.75V, Io=1.5A
Vctrl=2.75V, Io=3A
Vctrl=2.75V, Io=5A
0.100 0.130
V
0.200 0.260
0.330 0.430
Vctrl=2.75V, Io=7.5A
0.500 0.650
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
Ripple Rejection
30mS Pulse
Vctrl=5V, Vin=5V, Io=3A,Vadj=0V 60
0.01 0.02 %/W
70
dB
Tj=25, Vripple=1Vpp at 120Hz
2-80
Rev. 1.2
11/29/99
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