LM3554_14 datasheet(7/43 Pages) TI1

номер детали	LM3554

подробное описание детали	Synchronous Boost Converter with 1.2A Dual High Side LED Drivers and I2C Compatible

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производитель	TI1 [Texas Instruments]

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LM3554

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SNVS549A – JUNE 2009 – REVISED APRIL 2011

Typical Performance Characteristics

VIN = 3.6V, LEDs are Lumiled PWF-4, COUT = 10µF, CIN = 4.7µF, L = FDSE0312-2R2 (2.2µH, RL = 0.15Ω), TA = +25°C unless

otherwise specified.

LED Efficiency

vs

VIN

(Single LED, L = TOKO FDSE0312-2R2)

(Dual LEDs, L = TOKO FDSE0312-2R2)

Input Current

LED Efficiency

vs

VIN

(Single LED, L = TOKO FDSE0312-2R2)

(Single LED, L = Coilcraft LPS4018-222)

LED Efficiency

Input Current

vs

VIN

(Dual LED's, L = Coilcraft LPS4018-222)

(Single LED, L = Coilcraft LPS4018-222)

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