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LP8866S-Q1 Datasheet(PDF) 64 Page - Texas Instruments |
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LP8866S-Q1 Datasheet(HTML) 64 Page - Texas Instruments |
64 / 82 page 8.2.3 SEPIC Mode Application When LED string voltage can be above and below the input voltage level, use the SEPIC configuration. In SEPIC mode, the SW pin detects a maximum voltage equal to the sum of the input and output voltages, a consideration when selecting components. L OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 FB VDD LP8866(S)-Q1 ISNSGND PWM VIN EN BST_FSET COUT ISNS GD PWM_FSET LED_SET BST_SYNC CIN SGND SCL SDA INT ISET SD MODE LED_GND PGND VOUT VSENSE_N VSENSE_P RISENSE C1N C1P CPUMP UVLO DISCHARGE VDD HOST I2C VDD CVDD C2x CPUMP RG RSENSE RFB1 RFB2 RISET RUVLO1 RUVLO2 RSD RMODE RBST_FSET RPWM_FSET RLED_SET CS1 CS2 RS L2 Figure 8-6. SEPIC Mode with Three LEDs in Series LP8866S-Q1 SNVSBD1A – AUGUST 2020 – REVISED FEBRUARY 2021 www.ti.com 64 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: LP8866S-Q1 |
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