LM3464, LM3464A

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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

PWM Dimming Delay Time

(VDIM) rising)

(VDIM) falling)

Figure 10.

Figure 11.

Thermal Foldback Dimming

Thermal Foldback Dimming

(VTHERMAL) rising)

(VTHERMAL) falling)

Figure 12.

Figure 13.

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