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LM3444MA/NOPB.B Scheda tecnica(PDF) 25 Page - Texas Instruments

Il numero della parte LM3444MA/NOPB.B
Spiegazioni elettronici  LM3444 AC-DC Offline LED Driver
PDF  38 Pages
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Produttore elettronici  TI2 [Texas Instruments]
Homepage  https://www.ti.com
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LM3444MA/NOPB.B Scheda tecnica(HTML) 25 Page - Texas Instruments

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NC
NC
NC
COFF
FLTR2
NC
VCC
GATE
ISNS
GND
= VIA
GND
RECTIFIED AC INPUT
LED+
LED-
LM3444
www.ti.com
SNVS682D – NOVEMBER 2010 – REVISED DECEMBER 2015
9 Power Supply Recommendations
Use any AC power supply capable of the maximum application requirements for voltage and total power.
10 Layout
10.1 Layout Guidelines
Keep the low power components for FILTER and COFF close to the LM3444 with short traces. The ISNS trace
should also be as short and direct as possible. Keep the high current switching paths generated by R3, Q2, L2,
and D10 as short as possible to minimize generated switching noise and improve EMI.
10.2 Layout Example
Figure 21. Layout Recommendation
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