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TLC5947 Datasheet(PDF) 6 Page - Texas Instruments |
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TLC5947 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 33 page  100 3V 1V - ´ (I atV =1V) OUTn OUTn (I atV =3V) (I atV =1V) - OUTn OUTn OUTn OUTn D (%/V)= 100 (I atV =3.0V) OUTn CC (I atV =5.5V) (I atV =3.0V) OUTn CC OUTn CC - 5.5V 3V - D (%/V)= ´ I =41 ´ OUT(IDEAL) 1.20 R IREF D (%)= IdealOutputCurrent - (IdealOutputCurrent) (I +I +...I +I ) OUT0 OUT1 OUT22 OUT23 24 ´ 100 D (%)= I OUTn - 1 (I +I +...+I ) OUT0 OUT1 OUT22 +IOUT23 24 ´ 100 . Ideal current is calculated by the formula: TLC5947 SBVS114B – JULY 2008 – REVISED JANUARY 2015 www.ti.com 6.6 Electrical Characteristics At VCC = 3.0 V to 5.5 V and TA = –40°C to 85°C. Typical values at VCC = 3.3 V and TA = 25°C, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH High-level output voltage IOH = –3 mA at SOUT VCC – 0.4 VCC V VOL Low-level output voltage IOL = 3 mA at SOUT 0.4 V IIN Input current VIN = VCC or GND at SIN, XLAT, and BLANK –1 1 μA SIN/SCLK/XLAT = low, BLANK = high, VOUTn = 1 V, ICC1 0.5 3 mA RIREF = 24 kΩ SIN/SCLK/XLAT = low, BLANK = high, VOUTn = 1 V, ICC2 1 6 mA RIREF = 3.3 kΩ Supply current (VCC) SIN/SCLK/XLAT = low, BLANK = low, VOUTn = 1 V, ICC3 15 45 mA RIREF = 3.3 kΩ, GSn = FFFh SIN/SCLK/XLAT = low, BLANK = low, VOUTn = 1 V, ICC4 30 90 mA RIREF = 1.6 kΩ, GSn = FFFh All OUTn = ON, VOUTn = 1 V, VOUTfix = 1 V, IOLC Constant output current 27.7 30.75 33.8 mA RIREF = 1.6 kΩ BLANK = high, VOUTn = 30 V, RIREF = 1.6 kΩ, IOLK Output leakage current 0.1 μA At OUT0 to OUT23 Constant-current error All OUTn = ON, VOUTn = 1 V, VOUTfix = 1 V, ΔIOLC –4% ±2% 4% (channel-to-channel)(1) RIREF = 1.6 kΩ, At OUT0 to OUT23 Constant-current error All OUTn = ON, VOUTn = 1 V, VOUTfix = 1 V, ΔIOLC1 –7% ±2% 7% (device-to-device)(2) RIREF = 1.6 kΩ All OUTn = ON, VOUTn = 1 V, VOUTfix = 1 V, ΔIOLC2 Line regulation(3) ±1 ±3 %/V RIREF = 1.6 kΩ, At OUT0 to OUT23 All OUTn = ON, VOUTn = 1 V to 3 V, VOUTfix = 1 V, ΔIOLC3 Load regulation(4) ±2 ±6 %/V RIREF = 1.6 kΩ, At OUT0 to OUT23 TDOWN Thermal shutdown threshold Junction temperature(5) 150 162 175 °C THYS Thermal error hysteresis Junction temperature(5) 5 10 20 °C VIREF Reference voltage output RIREF = 1.6 kΩ 1.16 1.20 1.24 V (1) The deviation of each output from the average of OUT0–OUT23 constant-current. Deviation is calculated by the formula: (2) The deviation of the OUT0–OUT23 constant-current average from the ideal constant-current value. Deviation is calculated by the following formula: (3) Line regulation is calculated by this equation: (4) Load regulation is calculated by the equation: (5) Not tested. Specified by design. 6 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: TLC5947 |
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