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LM1085ISX-ADJ データシート(PDF) 4 Page - Texas Instruments

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部品番号 LM1085ISX-ADJ
部品情報  LM1085 3A 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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LM1085
SNVS038G – JULY 1999 – REVISED MARCH 2013
www.ti.com
Electrical Characteristics (continued)
Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the operating junction temperature (TJ)
range of -40°C to +125°C. Minimum and Maximum limits are ensured through test, design, or statistical correlation. Typical
values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only.
Min
Typ
Max
Symbol
Parameter
Conditions
Units
(1)
(2)
(1)
0.015
0.2
LM1085-ADJ, IOUT =10mA, 1.5V≤ (VIN-VOUT) ≤ 15V
%
0.035
0.2
0.5
6
LM1085-3.3, IOUT = 0mA, 4.8V ≤ VIN ≤ 15V
mV
1.0
6
Line Regulation
ΔVOUT
(4)
0.5
10
LM1085-5.0, IOUT = 0mA, 6.5V ≤ VIN ≤ 20V
mV
1.0
10
1.0
25
LM1085-12, I OUT =0mA, 13.5V ≤ VIN ≤ 25V
mV
2.0
25
LM1085-ADJ, (VIN-V OUT) = 3V, 10mA ≤ IOUT ≤ IFULL
0.1
0.3
%
LOAD
0.2
0.4
3
15
LM1085-3.3, VIN = 5V, 0 ≤ IOUT ≤ IFULL LOAD
mV
7
20
Load Regulation
ΔVOUT
(4)
5
20
LM1085-5.0, VIN = 8V, 0 ≤ IOUT ≤ IFULL LOAD
mV
10
35
12
36
LM1085-12, VIN = 15V, 0 ≤ IOUT ≤ IFULL LOAD
mV
24
72
LM1085-ADJ, 3.3, 5, 12
VDO
Dropout Voltage (5)
V
ΔVREF, ΔVOUT = 1%, IOUT = 3A
1.3
1.5
LM1085-ADJ, VIN−VOUT = 5V
3.2
5.5
A
LM1085-ADJ, VIN−VOUT = 25V
0.2
0.5
ILIMIT
Current Limit
LM1085-3.3, VIN = 8.0V
3.2
5.5
A
LM1085-5.0, VIN = 10V
3.2
5.5
A
LM1085-12, VIN = 17V
3.2
5.5
A
Minimum Load
LM1085-ADJ, VIN −VOUT = 25V
5.0
10.0
mA
Current (6)
LM1085-3.3, VIN ≤ 18V
5.0
10.0
mA
IGND
Quiescent Current
LM1085-5.0, VIN ≤ 20V
5.0
10.0
mA
LM1085-12, VIN ≤ 25V
5.0
10.0
mA
Thermal Regulation
TA = 25°C, 30ms Pulse
.004
0.02
%/W
fRIPPLE = 120Hz, COUT = 25µF Tantalum, IOUT = 3A
LM1085-ADJ
60
75
dB
CADJ = 25µF, (VIN−VO) = 3V
Ripple Rejection
LM1085-3.3, VIN = 6.3V
60
72
dB
LM1085-5.0, VIN = 8.0V
60
68
dB
LM1085-12, VIN = 15V
54
60
dB
IADJ
Adjust Pin Current
LM1085–ADJ
55
120
µA
Adjust Pin Current
LM1085–ADJ
ΔIADJ
0.2
5
µA
Change
10mA
≤ IOUT ≤ IFULL LOAD, 1.5V ≤ VIN−VOUT ≤ 25V
Temperature Stability
0.5
%
Long Term Stability
TA= 125°C, 1000 Hrs
0.3
1.0
%
RMS Output Noise
10Hz
≤ f ≤ 10 kHz
0.003
%
(% of VOUT)
3-Lead DDPAK/TO-263
-
0.7
-
Thermal Resistance
θJC
°C/W
(Junction-to-Case)
3-Lead TO-220
-
0.7
-
(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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Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LM1085


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