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IRU1050 View Datasheet(PDF) - International Rectifier

Part NameDescriptionManufacturer
IRU1050 5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR IR
International Rectifier IR
IRU1050 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
IRU1050
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN) ....................................................
Power Dissipation .....................................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
7V
Internally Limited
-65°C To 150°C
0°C To 150°C
PACKAGE INFORMATION
2-Pin Plastic TO-252 (D-Pak)
3-Pin Plastic TO-263 (M)
FRONT VIEW
3
V IN
FRONT VIEW
3
V IN
Tab is
V OUT
Tab is
V OUT
2
V OUT
2-Pin Plastic ULTRA THIN-PAKTM (P)
FRONT VIEW
3
V IN
Tab is
V OUT
1
Adj
θJA=70°C/W for 0.5" Sq pad
1
Adj
θJA=35°C/W for 1" Square pad
1
Adj
θJA=70°C/W for 1" Square pad
3-Pin Plastic TO-220 (T)
FRONT VIEW
Tab is
3
VOUT
2
VIN
VOUT
1
Adj
θJT=2.7°C/W θJA=60°C/W
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over CIN=1mF, COUT=10mF, and TJ=0 to 1508C.
Typical values refer to TJ=258C.
PARAMETER
Reference Voltage
Line Regulation
Load Regulation (Note 1)
Dropout Voltage (Note 2)
Current Limit
Minimum Load Current (Note 3)
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
SYM
VREF
DVo
IADJ
TEST CONDITION
Io=10mA, TJ=258C, VIN-Vo=1.5V
Io=10mA, VIN-Vo=1.5
Io=10mA, 1.3V<(VIN-Vo)<7V
VIN=3.3V, VADJ=0V, 10mA<Io<5A
Note 2, Io=4A
Io=5A
VIN=3.3V, DVo=100mV
VIN=3.3V, VADJ=0V
30ms Pulse, VIN-Vo=3V, Io=5A
f=120Hz, Co=25mF Tantalum,
Io=2.5A, VIN-Vo=3V
Io=10mA, VIN-Vo=1.5V, TJ=258C,
Io=10mA, VIN-Vo=1.5V
Io=10mA, VIN-Vo=1.5V, TJ=258C
VIN=3.3V, VADJ=0V, Io=10mA
TJ=1258C, 1000Hrs
TJ=258C, 10Hz<f<10KHz
MIN
1.238
1.225
5.1
TYP
1.25
1.25
1.1
5
0.01
MAX
1.262
1.275
0.2
0.4
1.2
1.3
10
0.02
UNITS
V
%
%
V
A
mA
%/W
60
70
dB
55 120 mA
0.2
5
mA
0.5
%
0.3
1
%
0.003
%Vo
Note 1: Low duty cycle pulse testing with Kelvin con-
nections is required in order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum dif-
ferential voltage between VIN and VOUT required to main-
tain regulation at VOUT. It is measured when the output
voltage drops 1% below its nominal value.
Note 3: Minimum load current is defined as the mini-
mum current required at the output in order for the out-
put voltage to maintain regulation. Typically the resistor
dividers are selected such that it automatically main-
tains this current.
2
www.irf.com
Rev. 1.8
08/20/02
Direct download click here

 

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