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LM3445MM Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce LM3445MM
Description  TRIAC Dimmable Offline LED Driver
Download  42 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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LM3445
SNVS570M – JANUARY 2009 – REVISED NOVEMBER 2015
www.ti.com
6 Specifications
6.1 Absolute Maximum Ratings
See
(1) (2) (3)
MIN
MAX
UNIT
BLDR to GND
–0.3
17
V
VCC, GATE, FLTR1 to GND
–0.3
14
V
ISNS to GND
–0.3
2.5
V
ASNS, DIM, FLTR2, COFF to GND
–0.3
7
V
COFF Input Current
100
mA
Continuous Power Dissipation(4)
Internally Limited
Junction Temperature (TJ-MAX)
150
°C
Storage Temperature
–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)
All voltages are with respect to the potential at the GND pin, unless otherwise specified.
(4)
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ = 165°C (typ.) and
disengages at +TJ = 145°C (typ).
6.2 ESD Ratings
VALUE
UNIT
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)(2)
±2000
V(ESD)
Electrostatic discharge
V
Charged-device model (CDM), per JEDEC specification JESD22-
±1000
C101(3)
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
Human Body Model, applicable std. JESD22-A114-C.
(3)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
MIN
MAX
UNIT
VCC
8
12
V
Junction Temperature
–40
125
°C
6.4 Thermal Information
LM3445
THERMAL METRIC(1)
DGS (VSSOP)
D (SOIC)
UNIT
10 PINS
14 PINS
RθJA
Junction-to-ambient thermal resistance
159
82.8
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
54.5
40.2
°C/W
RθJB
Junction-to-board thermal resistance
78.7
37.5
°C/W
ψJT
Junction-to-top characterization parameter
5.3
6.4
°C/W
ψJB
Junction-to-board characterization parameter
77.5
37.2
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
N/A
N/A
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
4
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Copyright © 2009–2015, Texas Instruments Incorporated
Product Folder Links: LM3445


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