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LM3697YFQR Datasheet(PDF) 8 Page - Texas Instruments

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No. de pieza LM3697YFQR
Descripción Electrónicos  High-Efficiency Three-String White LED Driver
Download  36 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LM3697YFQR Datasheet(HTML) 8 Page - Texas Instruments

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VIN (V)
One String, L=4.7µH, 1MHz
C002
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VIN (V)
One String, L=4.7µH, 500kHz
C002
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VIN (V)
Two String, L=4.7µH, 500kHz
C002
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VIN (V)
Two String, L=4.7µH, 1MHz
C002
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VIN (V)
Three String, L=4.7µH, 500kHz
C002
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VIN (V)
Three String, L=4.7µH, 1MHz
C002
LM3697
SNOSCS2A – NOVEMBER 2013 – REVISED DECEMBER 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 3.6V, LEDs are WLEDs part # SML-312WBCW(A), Typical Application Circuit with L = TDK (VLF302512, 4.7 µH, 10 µH,
22 µH where specified), Schottky = On-Semi (NSR0240V2T1G), TA = +25°C unless otherwise specified. Efficiency is given as
VOUT × (IHVLED1 + IHVLED2 + IHVLED3)/(VIN × IIN), matching curves are given as (ΔILED_MAX/ILED_AVE).
Top to Bottom: 3x3, 3x4, 3x5, 3x6, 3x7 (LEDs)
Top to Bottom:3x3, 3x4, 3x5, 3x6, 3x7 (LEDs)
Figure 15. LED Efficiency vs VIN, 20.2 mA/String
Figure 16. LED Efficiency vs VIN, 20.2 mA/String
Top to Bottom:2x3, 2x4, 2x5, 2x6, 2x7, 2x8, 2x9, 2x10 (LEDs)
Top to Bottom:2x3, 2x4, 2x5, 2x6, 2x7, 2x8, 2x9, 2x10 (LEDs)
Figure 17. LED Efficiency vs VIN, 20.2 mA/String
Figure 18. LED Efficiency vs VIN, 20.2 mA/String
Top to Bottom:1x3, 1x4, 1x5, 1x6, 1x7, 1x8, 1x9, 1x10 (LEDs)
Top to Bottom:1x3, 1x4, 1x5, 1x6, 1x7, 1x8, 1x9, 1x10 (LEDs)
Figure 19. LED Efficiency vs VIN, 20.2 mA/String
Figure 20. LED Efficiency vs VIN, 20.2 mA/String
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