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LM3554TMX/NOPB Datasheet(PDF) 8 Page - Texas Instruments

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Part # LM3554TMX/NOPB
Description  Synchronous Boost Converter
PDF  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3554TMX/NOPB Datasheet(HTML) 8 Page - Texas Instruments

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LM3554
SNVS549C – JUNE 2009 – REVISED FEBRUARY 2016
www.ti.com
Product Folder Links: LM3554
Submit Documentation Feedback
Copyright © 2009–2016, Texas Instruments Incorporated
Typical Characteristics (continued)
VIN = 3.6 V, LEDs are Lumiled PWF-4, COUT = 10 µF, CIN = 4.7 µF, L = FDSE0312-2R2 (2.2 µH, RL = 0.15 Ω), TA = 25°C,
unless otherwise specified.
VIN = 3.6 V
VLED1, VLED2 = 3.2 V
TA = –40°C To +85°C
Current Matching = Abs Value ((ILED1–ILED2)÷(ILED1+ILED2))×100
Figure 8. Flash Current Matching vs Code
VLED1, VLED2 = 3.2 V
600-mA Setting
TA = 25°C
Figure 9. Flash Current vs VIN
VLED1, VLED2 = 3.2 V
600-mA Setting
TA = 85°C
Figure 10. Flash Current vs VIN
VLED1, VLED2 = 3.2 V
600-mA Setting
TA = –40°C
Figure 11. Flash Current vs VIN
Figure 12. Switching Frequency vs VIN
VHWEN = 0 V
Figure 13. Shutdown Current vs VIN



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