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LM2941 Datenblatt(PDF) 4 Page - Texas Instruments

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Teilenummer LM2941
Bauteilbeschribung  1A Low Dropout Adjustable Regulator
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM2941 Datenblatt(HTML) 4 Page - Texas Instruments

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LM2941, LM2941C
SNVS770I – JUNE 1999 – REVISED JANUARY 2015
www.ti.com
6 Specifications
6.1 Absolute Maximum Ratings
(1) (2)
MIN
MAX
UNIT
LM2941T, LM2941S, LM2941LD
60
V
Input voltage (Survival Voltage,
≤ 100 ms)
LM2941CT, LM2941CS
45
V
Internal power dissipation (3)
Internally Limited
Maximum junction temperature
150
°C
TO-220 (T), Wave, 10 s
260
°C
Soldering remperature(4)
TO-263 (S), 30 s
235
°C
WSON-8 (LD), 30 s
235
°C
Storage temperature, Tstg
−65
150
°C
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3)
The maximum power dissipation is a function of TJ(max), RθJA, and TA. The maximum allowable power dissipation at any ambient
temperature is PD = (TJ(max) − TA)/RθJA. If this dissipation is exceeded, the die temperature will rise above 150°C and the LM2941 will
go into thermal shutdown. If the TO-263 package is used, the thermal resistance can be reduced by increasing the PC board copper
area thermally connected to the package. The value RθJA for the WSON package is specifically dependent on PCB trace area, trace
material, and the number of layers and thermal vias. For improved thermal resistance and power dissipation for the WSON package,
refer to Application Note AN-1187 (SNOA401). It is recommended that 6 vias be placed under the center pad to improve thermal
performance.
(4)
Refer to JEDEC J-STD-020C for surface mount device (SMD) package reflow profiles and conditions. Unless otherwise stated, the
temperature and time are for Sn-Pb (STD) only.
6.2 ESD Ratings
VALUE
UNIT
V(ESD)
Electrostatic discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)
±2000
V
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
MIN
MAX
UNIT
LM2941T
−40
125
LM2941CT
0
125
Temperatures
LM2941S
−40
125
°C
LM2941CS
0
125
LM2941LD
−40
125
4
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Copyright © 1999–2015, Texas Instruments Incorporated
Product Folder Links: LM2941 LM2941C


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