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LP3950SL/NOPB Datasheet(PDF) 30 Page - Texas Instruments |
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LP3950SL/NOPB Datasheet(HTML) 30 Page - Texas Instruments |
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30 / 38 page  LP3950 VDD1 VDD2 VDDA CVDD1 CVDD2 CVDDA 100 nF 100 nF 100 nF = 2.7V TO 2.9V CIN 10 PF 4.7 PH L1 VIN D1 SW SINGLE ENDED PWM SIGNAL C110nF 100 nF ASE VDD = 3.0V TO 4.5V RED LEDS CVDD_IO VDD_IO SO AMODE COUT 10 PF FB R1 G1 B1 R2 G2 B2 RR2 RR3 RR1 RG2 RG3 RG1 GREEN LEDS RB2 RB3 RB1 BLUE LEDS RG4 RB4 RR4 HIGH CURRENT RGB LED GND1 GND2 GND3 GNDA GND_RGB GND_BOOST DME AD2 RT 82k CVREF 100 nF RT VREF AD1 IF_SEL C2 10 nF C3 10 nF R1 R2 10 k: 10 k: RSO 100 k: MICROCONTROLLER NC NC VDDIO SCK SI SS NRST PWM_LED LP3950 SNVS331C – NOVEMBER 2004 – REVISED APRIL 2013 www.ti.com NC = Not Connected Figure 33. Typical Application of LP3950 When the SPI Interface Is Used Here, a second order RC-filter is used on the ASE input to convert a PWM signal to an analog waveform. 30 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LP3950 |
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