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LM1084IS-ADJ データシート(PDF) 4 Page - Texas Instruments

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部品番号 LM1084IS-ADJ
部品情報  LM1084 5A Low Dropout Positive Regulators
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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LM1084IS-ADJ データシート(HTML) 4 Page - Texas Instruments

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LM1084
SNVS037F – SEPTEMBER 1999 – REVISED MARCH 2013
www.ti.com
Electrical Characteristics
Typicals and limits appearing in normal type apply for TJ = 25°C. Limits appearing in Boldface type apply over the entire
junction temperature range for operation.
Min
Typ
Max
Symbol
Parameter
Conditions
Units
(1)
(2)
(1)
VREF
Reference Voltage
LM1084-ADJ
1.238
1.250
1.262
V
IOUT = 10mA, VIN−VOUT = 3V
1.225
1.250
1.270
V
10mA
≤IOUT ≤ IFULL LOAD,1.5V ≤ (VIN−VOUT) ≤ 25V
(3)
VOUT
Output Voltage
LM1084-3.3
(3)
IOUT = 0mA, VIN = 8V
3.270
3.300
3.330
V
0
≤ IOUT ≤IFULL LOAD, 4.8V≤ VIN ≤15V
3.235
3.300
3.365
V
LM1084-5.0
IOUT = 0mA, VIN = 8V
4.950
5.000
5.050
V
0
≤ IOUT ≤ IFULL LOAD, 6.5V ≤ VIN ≤ 20V
4.900
5.000
5.100
V
LM1084-12
IOUT = 0mA, VIN = 15V
11.880
12.000
12.120
V
0
≤ IOUT ≤ IFULL LOAD, 13.5V ≤ VIN ≤ 25V
11.760
12.000
12.240
V
ΔVOUT
Line Regulation
LM1084-ADJ
0.015
0.2
%
(4)
IOUT =10mA, 1.5V≤ (VIN-VOUT) ≤ 15V
0.035
0.2
%
LM1084-3.3
0.5
6
mV
IOUT = 0mA, 4.8V ≤ VIN ≤ 15V
1.0
6
mV
LM1084-5.0
0.5
10
mV
IOUT = 0mA, 6.5V ≤ VIN ≤ 20V
1.0
10
mV
LM1084-12
1.0
25
mV
I OUT =0mA, 13.5V ≤ VIN ≤ 25V
2.0
25
mV
ΔVOUT
Load Regulation
LM1084-ADJ
0.1
0.3
%
(4)
(VIN-V OUT) = 3V, 10mA ≤ IOUT ≤ IFULL LOAD
0.2
0.4
%
LM1084-3.3
3
15
mV
VIN = 5V, 0 ≤ IOUT ≤ IFULL LOAD
7
20
mV
LM1084-5.0
5
20
mV
VIN = 8V, 0 ≤ IOUT ≤ IFULL LOAD
10
35
mV
LM1084-12
12
36
mV
VIN = 15V, 0 ≤ IOUT ≤ IFULL LOAD
24
72
mV
Dropout Voltage (5)
LM1084-ADJ, 3.3, 5, 12
ΔVREF, ΔVOUT = 1%, IOUT = 5A
1.3
1.5
V
ILIMIT
Current Limit
LM1084-ADJ
VIN−VOUT = 5V
5.5
8.0
A
VIN−VOUT = 25V
0.3
0.6
A
LM1084-3.3
VIN = 8V
5.5
8.0
A
LM1084-5.0
VIN = 10V
5.5
8.0
A
LM1084-12
VIN = 17V
5.5
8.0
A
Minimum Load
LM1084-ADJ
Current (6)
VIN −VOUT = 25V
5
10.0
mA
Quiescent Current
LM1084-3.3
VIN = 18V
5.0
10.0
mA
LM1084-5.0
VIN ≤ 20V
5.0
10.0
mA
LM1084-12
VIN ≤ 25V
5.0
10.0
mA
(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.
4
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Product Folder Links: LM1084


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