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| LM3409 Datasheet, PDF (6/30 Pages) National Semiconductor (TI) – PFET Buck Controller for High Power LED Drives | |||
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LM3409 Efficiency vs. Input Voltage
VO = 17V (5 LEDs); ILED = 2A (Note 8)
LM3409HV Efficiency vs. Input Voltage
VO = 17V (5 LEDs); ILED = 2A (Note 7)
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LM3409 LED Current vs. Input Voltage
VO = 17V (5 LEDs) (Note 8)
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LM3409HV LED Current vs. Input Voltage
VO = 17V (5 LEDs) (Note 7)
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Normalized Switching Frequency
vs. Input Voltage
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Amplitude Dimming Using IADJ Pin
VO = 17V (5 LEDs); VIN = 24V
www.national.com
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