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LM3450MT/NOPB датащи(PDF) 8 Page - Texas Instruments

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номер детали LM3450MT/NOPB
подробное описание детали  LED Drivers with Active Power Factor Correction and Phase Dimming Decoder
PDF  40 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LM3450MT/NOPB датащи(HTML) 8 Page - Texas Instruments

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DEMODULATED VAC PIN DUTY CYCLE
VADJ=3V
2V
1.5V
1V
0.5V
2.5V
VFB (V)
250
200
150
100
50
0
1.5
2.0
2.5
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3.5
VCMP (V)
4.90
3.92
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1.96
0.98
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5.0
VAC = 3V
VAC = 4V
VAC = 2V
VAC = 1V
VAC = 0.1V
VAC = 0.5V
LM3450
SNVS681D – NOVEMBER 2010 – REVISED MAY 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
TA=+25°C and VCC = 14V unless otherwise specified
Transconductance vs. VFB
Current Sense Threshold vs. VCOMP and VAC
Figure 14.
Figure 15.
Decoder Mapping from VAC to DIM
Figure 16.
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