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LM1084 Folha de dados(PDF) 5 Page - Texas Instruments

Nome de Peças LM1084
Descrição Electrónicos  LM1084 5-A Low Dropout Positive Regulators
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
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LM1084 Folha de dados(HTML) 5 Page - Texas Instruments

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LM1084
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SNVS037G – SEPTEMBER 1999 – REVISED JANUARY 2015
6.5 Electrical Characteristics
Typicals and limits apply for TJ = 25°C unless specified otherwise.
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
VREF
Reference Voltage
LM1084-ADJ, IOUT = 10 mA, VIN − VOUT = 3 V, 10 mA ≤
1.238
1.250
1.262
IOUT ≤ IFULL LOAD,1.5 V ≤ (VIN−VOUT) ≤ 25 V
(3)
V
LM1084-ADJ, IOUT = 10 mA, VIN − VOUT = 3 V, 10 mA ≤
IOUT ≤ IFULL LOAD,1.5 V ≤ (VIN−VOUT) ≤ 25 V
(3), –40°C ≤
1.225
1.250
1.270
TJ ≤ 125°C
VOUT
Output Voltage(3)
LM1084-3.3, IOUT = 0 mA, VIN = 8 V, 0 ≤ IOUT ≤ IFULL
3.270
3.300
3.330
LOAD, 4.8 V ≤ VIN ≤ 15 V
V
LM1084-3.3, IOUT = 0 mA, VIN = 8 V, 0 ≤ IOUT ≤ IFULL
3.235
3.300
3.365
LOAD, 4.8 V ≤ VIN ≤ 15 V , –40°C ≤ TJ ≤ 125°C
LM1084-5.0, IOUT = 0 mA, VIN = 8 V, 0 ≤ IOUT ≤ IFULL
4.950
5.000
5.050
LOAD, 6.5 V ≤ VIN ≤ 20 V
V
LM1084-5.0, IOUT = 0 mA, VIN = 8 V, 0 ≤ IOUT ≤ IFULL
4.900
5.000
5.100
LOAD, 6.5 V ≤ VIN ≤ 20 V, –40°C ≤ TJ ≤ 125°C
ΔVOUT
Line Regulation(4)
LM1084-ADJ, IOUT = 10 mA, 1.5 V ≤ (VIN – VOUT) ≤ 15 V
0.015%
0.2%
LM1084-ADJ, IOUT = 10 mA, 1.5 V ≤ (VIN – VOUT) ≤ 15
0.035%
0.2%
V, –40°C
≤ TJ ≤ 125°C
LM1084-3.3, IOUT = 0 mA, 4.8 V ≤ VIN ≤ 15 V
0.5
6
mV
LM1084-3.3, IOUT = 0 mA, 4.8 V ≤ VIN ≤ 15 V, –40°C ≤
1.0
6
TJ ≤ 125°C
LM1084-5.0, IOUT = 0 mA, 6.5 V ≤ VIN ≤ 20 V
0.5
10
mV
LM1084-5.0, IOUT = 0 mA, 6.5 V ≤ VIN ≤ 20 V, –40°C ≤
1.0
10
TJ ≤ 125°C
ΔVOUT
Load Regulation(4)
LM1084-ADJ, (VIN – V OUT) = 3 V, 10 mA ≤ IOUT ≤ IFULL
0.1 %
0.3%
LOAD
LM1084-ADJ, (VIN – V OUT) = 3 V, 10 mA ≤ IOUT ≤ IFULL
0.2%
0.4%
LOAD, –40°C ≤ TJ ≤ 125°C
LM1084-3.3, VIN = 5 V, 0 ≤ IOUT ≤ IFULL LOAD
3
15
mV
LM1084-3.3, VIN = 5 V, 0 ≤ IOUT ≤ IFULL LOAD, –40°C ≤ TJ
7
20
≤ 125°C
LM1084-5.0, VIN = 8 V, 0 ≤ IOUT ≤ IFULL LOAD
5
20
mV
LM1084-5.0, VIN = 8 V, 0 ≤ IOUT ≤ IFULL LOAD, –40°C ≤ TJ
10
35
≤ 125°C
Dropout Voltage(5)
LM1084-ADJ, 3.3, 5, 12,
ΔVREF, ΔVOUT = 1%, IOUT = 5A,
1.3
1.5
V
–40°C
≤ TJ ≤ 125°C
ILIMIT
Current Limit
LM1084-ADJ, VIN− VOUT = 5 V, –40°C ≤ TJ ≤ 125°C
5.5
8.0
A
LM1084-ADJ, VIN− VOUT = 25 V, –40°C ≤ TJ ≤ 125°C
0.3
0.6
LM1084-3.3, VIN = 8 V, –40°C ≤ TJ ≤ 125°C
5.5
8.0
A
LM1084-5.0, VIN = 10 V, –40°C ≤ TJ ≤ 125°C
5.5
8.0
A
Minimum Load
LM1084-ADJ, VIN − VOUT = 25 V
5
10.0
mA
Current(6)
Quiescent Current
LM1084-3.3, VIN = 18 V
5.0
10.0
mA
LM1084-5.0, VIN ≤ 20 V
5.0
10.0
mA
Thermal Regulation
TA = 25°C, 30 ms Pulse
0.003
0.015
%/W
(1)
All limits are specified by testing or statistical analysis.
(2)
Typical Values represent the most likely parametric norm.
(3)
IFULLLOAD is defined in the current limit curves. The IFULLLOAD Curve defines the current limit as a function of input-to-output voltage.
Note that 30W power dissipation for the LM1084 is only achievable over a limited range of input-to-output voltage.
(4)
Load and line regulation are measured at constant junction temperature, and are ensured up to the maximum power dissipation of 30W.
Power dissipation is determined by the input/output differential and the output current. ensured maximum power dissipation will not be
available over the full input/output range.
(5)
Dropout voltage is specified over the full output current range of the device.
(6)
The minimum output current required to maintain regulation.
Copyright © 1999–2015, Texas Instruments Incorporated
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