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LP3954TL/NOPB Datasheet(PDF) 42 Page - Texas Instruments |
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LP3954TL/NOPB Datasheet(HTML) 42 Page - Texas Instruments |
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42 / 60 page ![]() MCU WLED1 WLED2 WLED3 WLED4 WLED5 WLED6 R1 G1 B1 R2 G2 B2 FLASH_EN FLASH IRGB IRT ASE IFLASH SW BATTERY FB VDDA VREF D1 VDD2 VDD1 GNDS SCK/SCL SI SS/SDA SO SYNC/PWM IF_SEL VDDIO VBAT PWM AUDIO SIGNAL COUT 10 PF L1 4.7 éH CIN 10 éF CVDD1 100 nF IMAX = 300...400 mA VOUT = 4...5.3V CVDDA 1 é F CREF 100 nF RRGB RRT CVDDIO 100 nF + - R1 10k R2 10k C1 10 nF C2 10 nF C3 10 nF LP3954 SNVS340D – JUNE 2005 – REVISED MARCH 2013 www.ti.com EXAMPLE 5 • MAIN BACKLIGHT • SUB BACKLIGHT • AUDIO SYNCHRONIZED FUNLIGHTS • RGB INDICATION LIGHT Here, a second order RC-filter is used on the ASE input to convert a PWM signal to an analog waveform. Figure 47. Using PWM Signal More application information is available in the document "LP3954 Evaluation Kit". 42 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: LP3954 |
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