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LM3502 Datasheet(PDF) 9 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM3502
Description  Step-Up Converter for White LED Applications
PDF  18 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3502 Datasheet(HTML) 9 Page - National Semiconductor (TI)

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Typical Performance Characteristics ( Circuit in Figure 1: L = DO1608C-223 and D = MBRM140T3.
Efficiency:
η =P
OUT/PIN = [(VOUT –VFb)*IOUT]/[VIN *IIN]. TA= 25˚C, unless otherwise stated.)
I
Q (Non-Switching) vs VIN
Switching Frequency vs Temperature
20131707
20131708
I
Q (Switching) vs VIN
I
Q (Switching) vs Temperature
20131709
20131710
10 LED Efficiency vs LED Current
8 LED Efficiency vs LED Current
20131711
20131712
www.national.com
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