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TPS61199PWPR датащи(PDF) 6 Page - Texas Instruments

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номер детали TPS61199PWPR
подробное описание детали  White LED Driver for LCD Monitors Backlighting
PDF  25 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

TPS61199PWPR датащи(HTML) 6 Page - Texas Instruments

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PWM-DutyCycle-%
V =24V
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V =12V
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PWM-DutyCycle-%
V =24V
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V =12V
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TPS61199
SLVSAN3 A
– DECEMBER 2010 – REVISED MAY 2011
www.ti.com
TYPICAL CHARACTERISTICS
Figure 1 as test circuit, and L = CDRH127/HPNP- 220M, R6 = 41k
Ω, unless otherwise noted
DESCRIPTION
FIGURES
Dimming efficiency
17LEDs in series; 200Hz dimming frequency;
Figure 2
Dimming efficiency
13LEDs in series; 200Hz dimming frequency;
Figure 3
Dimming linearity
17LEDs in series; VIN = 12V;
Figure 4
Dimming with short on time
17LEDs in series; VIN = 12V;
Figure 5
Current matching
17LEDs in series; VIN = 12V;
Figure 6
Dimming waveform
17LEDs in series; VIN = 12V; 200Hz with 1% duty cycle
Figure 7
Dimming waveform
17LEDs in series; VIN = 12V; 22kHz with 5% duty cycle
Figure 8
Startup waveform
17LEDs in series; VIN = 12V; 200Hz with 50% duty cycle
Figure 9
Shutdown waveform
17LEDs in series; VIN = 12V; 200Hz with 50% duty cycle
Figure 10
Figure 2. Dimming Efficiency
Figure 3. Dimming Efficiency
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Copyright
© 2010–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS61199



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