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| LM3502 Datasheet, PDF (10/18 Pages) National Semiconductor (TI) – Step-Up Converter for White LED Applications | |||
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Typical Performance Characteristics ( Circuit in Figure 1: L = DO1608C-223 and D = MBRM140T3.
Efficiency: η = POUT/PIN = [(VOUT â VFb) * IOUT]/[VIN * IIN]. TA= 25ËC, unless otherwise stated.) (Continued)
6 LED Efficiency vs LED Current
4 LED Efficiency vs LED Current
20131713
Cntrl Pin Current vs Cntrl Pin Voltage
20131714
Maximum Duty Cycle vs Temperature
20131715
En1 Pin Current vs En1 Pin Voltage
20131716
En2 Pin Current vs En2 Pin Voltage
www.national.com
20131717
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