LM3407 Datasheet, PDF (5/22 Pages) National Semiconductor (TI) – 350 mA, Constant Current Output Floating Buck Switching Converter for High Power LEDs

LM3407
www.ti.com
SNVS553B – JANUARY 2008 – REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS
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).
Output Current vs Input Voltage
(T_A = -40°C)
Output Current vs Input Voltage
(T_A = 25°C)
Figure 2.
Output Current vs Input Voltage
(T_A = 125°C)
Figure 3.
Efficiency vs Input Voltage
(T_A = -40°C)
Figure 4.
Efficiency vs Input Voltage
(T_A = 25°C)
Figure 5.
Efficiency vs Input Voltage
(T_A = 125°C)
Figure 6.
Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LM3407
Figure 7.
Submit Documentation Feedback
5