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TL1451CN Datasheet(PDF) 6 Page - Texas Instruments |
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TL1451CN Datasheet(HTML) 6 Page - Texas Instruments |
6 / 36 page TL1451A DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999 6 www.ti.com electrical characteristics over recommended operating free-air temperature range, VCC = 6 V, f = 200 kHz (unless otherwise noted) reference section PARAMETER TEST CONDITIONS TL1451AQ, TL1451AM UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT O tp t oltage (pin 16) I1 mA TA = 25°C 2.40 2.50 2.60 V Output voltage (pin 16) IO = 1 mA TA = MIN and 125°C 2.35 2.46 2.65 V Output voltage change with temperature –0.63% * ±4% TA = 25°C 2.0 12.5 Input voltage regulation VCC = 3.6 V to 40 V TA = 125°C 0.7 15 mV In ut voltage regulation VCC 3.6 V to 40 V TA = MIN 0.3 30 mV TA = 25°C 1.0 7.5 Output voltage regulation IO = 0.1 mA to 1 mA TA = 125°C 0.3 14 mV Out ut voltage regulation IO 0.1 mA to 1 mA TA = MIN 0.3 20 mV Short-circuit output current VO = 0 3 10 30 mA *These parameters are not production tested. † All typical values are at TA = 25°C unless otherwise indicated. undervoltage lockout section PARAMETER TEST CONDITIONS TL1451AQ, TL1451AM UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT TA = 25°C 2.72 Upper threshold voltage (VCC) TA = 125°C 1.70 V Uer threshold voltage (VCC) TA = MIN 3.15 V TA = 25°C 2.60 Lower threshold voltage (VCC) TA = 125°C 1.65 V Lower threshold voltage (VCC) TA = MIN 3.09 V TA = 25°C 80 120 Hysteresis (VCC) TA = 125°C 10 50 mV Hysteresis (VCC) TA = MIN 10 60 mV TA = 25°C 1.50 Reset threshold voltage (VCC) TA = 125°C 0.95 V g( CC) TA = MIN 1.50 † All typical values are at TA = 25°C unless otherwise indicated. |
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