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TLC5957RTQR Datasheet(PDF) 6 Page - Texas Instruments |
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TLC5957RTQR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 25 page (IOUTXn at VOUTXn 3V ) (IOUTXn at VOUTXn 1V ) 100 (% / V ) (IOUTXn at VOUTXn 1V 3V 1V = - = D = ´ = - æ ö ç ÷ è ø (IOUTXn at VCC 5.5V ) (IOUTXn at VCC 3.0V ) 100 (% / V ) (IOUTXn at VCC 3.0V 5.5V 3V = - = D = ´ = - æ ö ç ÷ è ø V IREF Ideal Output (mA ) Gain CCR(or CCG, CCB) / 511d, VIREF 1.209V(Typ), refer to Table 1 for the Gain at chosen BC R ( ) IREF . = ´ ´ = W æ ö ç ÷ ç ÷ è ø ( ) IOUTX0 IOUTX1 ... IOUTX15 (Ideal Output Current) 16 (%) 100 Ideal Output Current + + + - D = ´ æ ö ç ÷ ç ÷ ç ÷ ç ÷ è ø IOUTXn (%) 1 100 (IOUTX0 IOUTX1 ... IOUTX14 IOUTX15) 16 D = - ´ + + + + æ ö ç ÷ ç ÷ ç ÷ è ø TLC5957 SLVSCQ4 – OCTOBER 2014 www.ti.com Electrical Characteristics (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT All OUTn = on, BC = 0h, CCR/G/B = 08Fh, VOUTn = VOUTfix = 0.6V, Constant current error Channel-to- Δ IOLC0 RIREF = 7.5k Ω(1mA target), TA = +25C, at same color grouped output of ±1% ±3% (OUTx0-15, x = R/G/B) channel (1) OUTR0-15, OUTG0-15 and OUTB0-15 All OUTn = on, BC = 0h, CCR/G/B = 08Fh, VOUTn = VOUTfix = 0.6V, Constant current error Device-to- ΔIOLC1 RIREF = 7.5k Ω(1mA target), TA = +25C, at same color grouped output of ±1% ±2% (OUTx0-15, x = R/G/B) device (2) OUTR0-15, OUTG0-15 and OUTB0-15 VCC = 3.0 to 5.5V, All OUTn = on, BC = 0h, CCR/G/B = 08Fh, Δ IOLC2 Line regulation (3) ±1 ±3 %/V VOUTn = VOUTfix = 0.6V, RIREF = 7.5k Ω (1mA target) VCC = 4V, All OUTn = on, BC = 0h, CCR/G/B = 08Fh, VOUTn = 0.6 to 3V, ΔIOLC3 Load regulation (4) ±1 ±3 %/V VOUTfix = 1V, RIREF = 7.5k Ω (1mA target) All OUTn = on, BC = 7h, CCR/G/B - 1CCh, VOUTn = VOUTfix = 0.6V, Constant current error Channel-to- ΔIOLC4 ±1% ±3% RIREF = 7.5k Ω(25mA target), TA = +25C, at same color grouped output of (OUTx0-15, x = R/G/B) channel (1) OUTR0-15, OUTG0-15 and OUTB0-15 All OUTn = on, BC = 7h, CCR/G/B - 1CCh, VOUTn = VOUTfix = 0.6V, Constant current error Device-to- ΔIOLC5 ±1% ±3% RIREF = 7.5k Ω(25mA target), TA = +25C, at same color grouped output of (OUTx0-15, x = R/G/B) device (2) OUTR0-15, OUTG0-15 and OUTB0-15 VCC = 3.0 to 5.5V, All OUTn = on, BC = 7h, CCR/G/B - 1CCh, ΔIOLC6 Line regulation (3) ±1 ±3 %/V VOUTn = VOUTfix = 0.6V, RIREF = 7.5k Ω (25mA target) All OUTn = on, BC = 7h, CCR/G/B - 1CCh, VOUTn = 0.6 to 3V, Δ IOLC7 Load regulation (4) ±1 ±3 %/V VOUTfix = 0.6V, RIREF = 7.5k Ω (25mA target) TTSD Thermal shutdown threshold 160 170 180 °C THYS Thermal shutdown hysterisis 10 °C VISP(in) IREF resistor short protection threshold 0.190 V IREF resistor short-protection release VISP(out) 0.330 V threshold (1) The deviation of each outputs in same color group (OUTR0~15 or OUTG0~15 or OUTB0~15) from the average of same color group constant current. The deviation is calculated by the formula. (X = R or G or B, n = 0~15 (2) The deviation of the average of constant-current in each color group from the ideal constant-current value. (X = R or G or B) : Ideal current is calculated by the following equation: (3) Line regulation is calculated by the following equation. (X = R or G or B, n = 0~15): (4) Load regulation is calculated by the following equation. (X = R or G or B, n = 0~15): 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated |
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