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TLC5971 Datasheet(PDF) 6 Page - Texas Instruments |
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TLC5971 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 45 page  100 (I atVCC=3V) Xn OLC (I atVCC=5.5V) (I atVCC=3V) Xn Xn - OLC OLC 5.5V 3V - D (%/V)= ´ I (mA)=41 ´ Xn(IDEAL) OLC 1.21 R IREF ( ) W D (%)= IdealOutputCurrent - (IdealOutputCurrent) (I +I +I +I ) X0 X1 X2 X3 OLC OLC OLC OLC 4 ´ 100 D (%)= - 1 I Xn OLC (I +I +I +I ) X0 X1 X3 X2 OLC OLC OLC OLC 4 ´ 100 TLC5971 SBVS146D – AUGUST 2010 – REVISED DECEMBER 2015 www.ti.com Electrical Characteristics (continued) At TA = –40°C to +85°C, VCC = 6 V to 17 V or VCC = VREG = 3 V to 5.5 V, VLED = 5 V, and CVREG = 1 µF, unless otherwise noted. Typical values are at TA = 25°C and VCC = 12 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Constant-current error (1) All OUTXn on, BCX = 7Fh, VOUTXn = VOUTfix = 1 V, ΔIOLC (channel-to-channel in same color group), –3% ±1% 3% RIREF = 0.82 kΩ (IOLCMax = 60 mA) OUTXn Constant current error (2) All OUTXn on, BCX = 7Fh, VOUTXn = VOUTfix = 1V, ΔIOLC1 (device-to-device in same color group), RIREF = 0.82 kΩ (IOLCMax = 60 mA), at same grouped color output –4% ±1 4% OUTXn of OUTR0-3, OUTG0-3, and OUTB0-3 Line regulation of constant-current output, All OUTn on, BCX = 7Fh, VOUTXn = VOUTfix = 1 V, ΔIOLC2 –1 ±0.5 1 %/V OUTXn (3) RIREF = 0.82 kΩ (IOLCMax = 60 mA) (1) The deviation of each output in the same color group (OUTR0-OUTR3 or OUTG0-OUTG3 or OUTB0-OUTB3) from the average current from the same color group. Deviation is calculated by Equation 1: where (a) X = R/G/B, (b) n = 0-3. (1) (2) The deviation of each color group constant-current average from the ideal constant-current value. Deviation is calculated by Equation 2: where (a) X = R/G/B. (2) Ideal current is calculated by Equation 3 for the OUTRn and OUTGn groups: where (a) X = R/G/B. (3) (3) Line regulation is calculated by Equation 4: where (a) X = R/G/B, (b) n = 0-3. (4) 6 Submit Documentation Feedback Copyright © 2010–2015, Texas Instruments Incorporated Product Folder Links: TLC5971 |
Similar Part No. - TLC5971_15 |
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Similar Description - TLC5971_15 |
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