LM3409MYX National Semiconductor Corporation, LM3409MYX Datasheet - Page 6

• Manufacturer Part Number: LM3409MYX
• Description: Pfet Buck Controller For High Power Led Drives
• Manufacturer: National Semiconductor Corporation

LM3409 Efficiency vs. Input Voltage
LM3409HV Efficiency vs. Input Voltage
= 2A (Note 8)
= 2A (Note 7)
V
= 17V (5 LEDs); I
V
= 17V (5 LEDs); I
O
LED
O
LED
300856f0
300856b3
LM3409 LED Current vs. Input Voltage
LM3409HV LED Current vs. Input Voltage
= 17V (5 LEDs) (Note 8)
= 17V (5 LEDs) (Note 7)
V
V
O
O
300856f1
300856b4
Normalized Switching Frequency
Amplitude Dimming Using IADJ Pin
vs. Input Voltage
V
= 17V (5 LEDs); V
= 24V
O
IN
300856c1
300856b2
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