LM3464 datasheet(7/33 Pages) TI1

No de pièce	LM3464

Description	LED Driver with Dynamic Headroom Control and Thermal Control Interfaces

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Fabricant	TI1 [Texas Instruments]

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LM3464, LM3464A

www.ti.com

SNVS652F – APRIL 2010 – REVISED MAY 2013

Typical Performance Characteristics (continued)

All curves taken at VIN = 48V with configuration in typical application for driving twelve power LEDs with four output channels

active and output current per channel = 350 mA. TA = 25°C, unless otherwise specified.

Startup Waveforms

PWM Dimming (DIM pin)

Figure 8.

Figure 9.

PWM Dimming Delay Time

(VDIM) rising)

(VDIM) falling)

Figure 10.

Figure 11.

Thermal Foldback Dimming

(VTHERMAL) rising)

(VTHERMAL) falling)

Figure 12.

Figure 13.

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