LM3407 datasheet(6/22 Pages) TI1

부품명	LM3407

상세설명	Constant Current Output Floating Buck Switching Converter for High Power LEDs

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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 VIN = 12V, TA = 25°C, and ILED = 350 mA

(driving two power LEDs).

Switch On Time vs Input Voltage

Operating Input Current vs Input Voltage

Figure 8.

Figure 9.

VCC Voltage vs Input Voltage

Output Current vs RISNS

Figure 10.

Figure 11.

Continuous Mode Operation

Switching Frequency vs RFS

(VIN = 12V, L = 33µH, fSW = 1MHz)

Figure 12.

Figure 13.

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