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TLC5960DA Datasheet(PDF) 4 Page - Texas Instruments |
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TLC5960DA Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 33 page  TLC5960 SBVS147 – SEPTEMBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS At VIN = 10.0V to 28.0V and TA = –40°C to +85°C. Typical values at VIN = 24V and TA = +25°C, unless otherwise noted. TLC5960 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOL Open-drain low-level output voltage IOL = 1mA at XFLT 0.8 V EN 100 k Ω RPD Internal pull-down resistance CTRL1 to CTRL4 500 k Ω HVM4, CTRL2 > 7.0V 2 M Ω VIN < VPOR (1) 20 40 µA IIN VIN supply current VIN > VPOR, EN = high or low, 10 16 mA CTRL1 to CTRL4 = high or low IOH High-level output current (G1 to G8) EN = CTRL1 to CTRL4 = high 2 mA Input offset voltage of output amplifier VOFFSET VADJ = 1.2V –10 10 mV (S1 to S8) VDREF+ HVM upper threshold (D1 to D8) EN = CTRL1 to CTRL4 = high 2.5 2.6 2.7 V VDREF– HVM lower threshold (D1 to D8) EN = CTRL1 to CTRL4 = high 1.55 1.6 1.65 V HVM output voltage range VHVM EN = high or low, CTRL1 to CTRL4 = high or low 0.1 0.7 1.3 V (HVM1 to HVM4) HVM output source current HVM1 to HVM4 = 1.25V –1.5 mA IHVM HVM output sink current HVM1 to HVM4 = 0.14V 1.5 mA LED open detection threshold VLOD EN = CTRL1 to CTRL4 = high 0.7 0.8 0.9 V (D1 to D8 undervoltage detection) LED short detection threshold EN = CTRL1 to CTRL4 = high, CTRL2,4 < 6V, VLSD 18.0 19.2 20.4 V (D1 to D8 overvoltage detection) HVM 2CH mode FET open detection threshold VFOD EN = high, CTRL1 to CTRL4 = high, VADJ = 5.0V 300 mV (S1 to S8 undervoltage detection) FET short detection threshold VFSD EN = high 0.8 0.9 1.0 V (S1 to S8 overvoltage detection) FET short detection hysteresis VFSDHYS 150 200 250 mV (S1 to S8 overvoltage detection) Thermal shutdown junction TSTD +160 °C temperature(2) 5V LDO CVREG5 = 2.2µF VREG Regulator output voltage 10V < VIN < 28V, IVREG5 < 25mA 4.75 5.00 5.25 V VIN = 24V, VREG5 = 4.5V 20 40 80 mA ILIM Current limit VIN = 24V, VREG5 = 0V 10 20 40 mA POWER-ON RESET (POR) VPOR Undervoltage lockout on VIN Negative going threshold on VIN 6.5 7.0 7.5 V VPORHYS Undervoltage lockout hysteresis 500 mV AC CHARACTERISTICS TA = +25°C tDET Protection time after channel enabled 21 26 31 µs tDET1 Detection time after channel enable 13 µs Protection/XFLT indication wait time after tDET2 13 µs detection(3) tD Built-in phase shift unit delay time 13 µs (1) VPOR is the power-on reset voltage. (2) Specified by design. (3) XFLT is the fault indicator; protection means that the failed channel shuts off. tDET = tDET1 + tDET2. SWITCHING CHARACTERISTICS At VIN = 10.0V to 28.0V and TA = –40°C to +85°C, with typical values at VIN = 24V and TA = +25°C, unless otherwise noted. TLC5960 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Switching time of output tSW S1 to S8, from 10% to 90% or 90% to 10%, CLOAD < 100pF 1.5 2 µs current 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TLC5960 |
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