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| LM3551 Datasheet, PDF (5/15 Pages) National Semiconductor (TI) – 1A White LED Driver with Flash Timeout Protection | |||
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Typical Performance Characteristics Unless otherwise specified: TA = +25ËC; VIN = 3.6V; L =
4.7µH, (RC = 10kâ¦, CC = 4.7nF, CIN = COUT = 10µF for Lumiled LED), (RC = 27kâ¦, CC = 10nF, CIN = 10µF, COUT = 4.7µF
for Sharp LED), CFTO = 1µF, CSS= 0.1µF.
Current Limit vs. Input Voltage
VOUT = 5V
Current Limit vs. Input Voltage
VOUT = 10V
20151220
Note 14: ICL measure when VOUT = 95% x VOUT (nominal)
Converter Efficiency vs. Input Voltage
Lumiled Flash LED
20151223
Note 15: ICL measure when VOUT = 95% x VOUT (nominal)
Converter Efficiency vs. Input Voltage
Sharp Flash LED
20151211
20151212
5
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