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| LM3556_15 Datasheet, PDF (11/39 Pages) Texas Instruments – Synchronous Boost LED Flash Driver With High-Side Current Source | |||
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Typical Characteristics (continued)
TX
VOUT
2V/DIV
2V/DIV
500 mA/
DIV
ILED
400 s/DIV
LM3556
SNVS796D â AUGUST 2011 â REVISED OCTOBER 2015
VOUT
TX
ILED
1 s/DIV
2V/DIV
2V/DIV
500 mA/
DIV
Figure 26. Impact on LED Current With a TX Event
Figure 27. Time Taken for LM3556 to Ramp from Torch to
Flash After TX Event
VIN
ILED
200 mV/
DIV
200 mA/
DIV
40 s/DIV
Figure 28. Transient Plot When VIN Stepped from 3 â 2.9 V
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