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LM3414 Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM3414
Description  1A 60W* Common Anode Capable Constant Current Buck LED Driver Requires No External Current Sensing Resistor
PDF  20 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3414 Datasheet(HTML) 7 Page - National Semiconductor (TI)

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Symbol
Parameter
Conditions
Min
Typ
Max
Units
T
SD-HYS
Thermal Shutdown Temperature
Hysteresis
T
J Falling
10
°C
THERMAL RESISTANCE
θ
JA
Junction to Ambient,
ePSOP-8 package
45
°C/W
0 LFPM Air Flow (Note 3)
LLP-8 package
54
°C/W
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the
device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2: The human body model is a 100pF capacitor discharged through a 1.5 k
Ω resistor into each pin.
Note 3: Tested on a 4 layer JEDEC board. Four vias provided under the exposed pad. See JESD51-5 and JESD51-7. The value of the
θ
JA for the LLP package
is specifically dependent on the PCB trace area, trace material, and the number of layers and thermal vias. For improved thermal resistance and power dissipation
for the LLP package, refer to Application Note AN-1187.
Note 4: Typical specification represent the most likely parametric norm at 25°C operation.
Note 5: VCC provides self bias for the internal gate drive and control circuits. Device thermal limitations limit external loading to the pin.
7
www.national.com



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