LM3405_13 datasheet(4/29 Pages) TI1

No. de pieza	LM3405

Descripción Electrónicos	Constant Current Buck Regulator

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Fabricante Electrónico	TI1 [Texas Instruments]

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LM3405

SNVS429B – OCTOBER 2006 – REVISED MAY 2013

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TYPICAL PERFORMANCE CHARACTERISTICS

Unless otherwise specified, VIN = 12V, VBOOST - VSW = 5V and TA = 25°C.

Efficiency vs LED Current

Efficiency vs Input Voltage (IF = 1A)

Figure 3.

Figure 4.

Efficiency vs Input Voltage (IF = 0.7A)

Efficiency vs Input Voltage (IF = 0.35A)

Figure 5.

Figure 6.

VFB vs Temperature

Oscillator Frequency vs Temperature

Figure 7.

Figure 8.

4

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