LM3407 Datasheet, PDF (6/22 Pages) National Semiconductor (TI) – 350 mA, Constant Current Output Floating Buck Switching Converter for High Power LEDs

LM3407
SNVS553B – JANUARY 2008 – REVISED MAY 2013
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TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified, all curves shown are taken in typical application at V_IN = 12V, T_A = 25°C, and I_LED = 350 mA
(driving two power LEDs).
Switch On Time vs Input Voltage
Operating Input Current vs Input Voltage
Figure 8.
VCC Voltage vs Input Voltage
Figure 9.
Output Current vs R_ISNS
Figure 10.
Switching Frequency vs R_FS
Figure 11.
Continuous Mode Operation
(V_IN = 12V, L = 33µH, f_SW = 1MHz)
Figure 12.
Figure 13.
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