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LM3554 Datasheet(PDF) 9 Page - Texas Instruments

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Part # LM3554
Description  Synchronous Boost Converter with 1.2A Dual High Side LED Drivers and I2C Compatible
PDF  43 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3554 Datasheet(HTML) 9 Page - Texas Instruments

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LM3554
www.ti.com
SNVS549A – JUNE 2009 – REVISED APRIL 2011
Typical Performance Characteristics (continued)
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.
Torch Current
Torch Current
vs
vs
VIN
VIN
(VLED1, VLED2 = 3.2V, TA = +85°C, 75mA setting)
(VLED1, VLED2 = 3.2V, TA = −40°C, 75mA setting)
Flash Current Matching
vs
Flash Current
Code
vs
(VIN= 3.6V, VLED1, VLED2 = 3.2V,
VIN
TA = -40°C to +85°C,
(1)
(VLED1, VLED2 = 3.2V, TA = +25°C, 600mA setting)
Flash Current
Flash Current
vs
vs
VIN
VIN
(VLED1, VLED2 = 3.2V, TA = +85°C, 600mA setting)
(VLED1, VLED2 = 3.2V, TA = -40°C, 600mA setting)
Copyright © 2009–2011, Texas Instruments Incorporated
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