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IRU1015 Fiches technique(PDF) 2 Page - International Rectifier

No de pièce IRU1015
Description  1.5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
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Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo IRF - International Rectifier

IRU1015 Fiches technique(HTML) 2 Page - International Rectifier

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IRU1015
2
Rev. 1.1
06/29/01
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin) ....................................................
7V
Power Dissipation .....................................................
Internally Limited
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range .....................
0°C To 150°C
PACKAGE INFORMATION
3-PIN PLASTIC TO-220 (T)
3-PIN PLASTIC TO-263 (M)
2-PIN PLASTIC TO-252 (D-Pak)
θJT=2.7°C/W θJA=60°C/W
θJA=35°C/W for 1" Square pad
θJA=70°C/W for 0.5" Square pad
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Reference Voltage
Vref
Io=10mA, Tj=25!C, (Vin-Vo)=1.5V 1.238 1.250
1.262
V
Io=10mA, (Vin-Vo)=1.5V
1.225 1.250
1.275
Line Regulation
Io=10mA, 1.3V<(Vin-Vo)<7V
0.2
%
Load Regulation (Note 1)
Vin=3.3V, Vadj=0, 10mA<Io<1.5A
0.4
%
Dropout Voltage (Note 2)
∆Vo
Note 2, Io=1.5A
1.1
1.3
V
Current Limit
Vin=3.3V, dVo=100mV
1.6
A
Minimum Load Current
Vin=3.3V, Vadj=0V
5
10
mA
(Note 3)
Thermal Regulation
30ms Pulse, Vin-Vo=3V, Io=1.5A
0.01
0.02
%/W
Ripple Rejection
f=120Hz, Co=25µF Tantalum,
Io=0.75A, Vin-Vo=3V
60
70
dB
Adjust Pin Current
Iadj
Io=10mA, Vin-Vo=1.5V, Tj=25!C,
Io=10mA, Vin-Vo=1.5V
55
120
µA
Adjust Pin Current Change
Io=10mA, Vin-Vo=1.5V, Tj=25!C
0.2
5
µA
Temperature Stability
Vin=3.3V, Vadj=0V, Io=10mA
0.5
%
Long Term Stability
Tj=125!C, 1000Hrs
0.3
1
%
RMS Output Noise
Tj=25!C, 10Hz<f<10KHz
0.003
%Vo
Adj
Tab is
Vout
Vin
Vout
1
2
3
FRONT VIEW
Adj
Tab is
Vout
Vin
1
3
FRONT VIEW
Vout
Adj
Tab is
Vout
Vin
1
3
FRONT VIEW
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Cin=1µF, Cout=10µF, and Tj=0 to 150!C.
Typical values refer to Tj=25!C.
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.


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