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TL1451A-Q1 데이터시트(PDF) 4 Page - Texas Instruments |
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TL1451A-Q1 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 24 page TL1451A-Q1 DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS SGLS304A − JUNE 2005 − REVISED JUNE 2008 4 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 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Output voltage (pin 16) IO = 1 mA TA = 25°C 2.4 2.5 2.6 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 Input voltage regulation VCC = 3.6 V to 40 V TA = MIN 0.3 30 mV TA = 25°C 1 7.5 Output voltage regulation IO = 0.1 mA to 1 mA TA = 125°C 0.3 14 mV Output 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 † All typical values are at TA = 25°C unless otherwise indicated. ‡ These parameters are not production tested. undervoltage lockout section PARAMETER TEST CONDITIONS TL1451AQ UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT TA = 25°C 2.72 Upper threshold voltage (VCC) TA = 125°C 1.7 V Upper threshold voltage (VCC) TA = MIN 3.15 V TA = 25°C 2.6 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 1.5 Reset threshold voltage (VCC) TA = 125°C 0.95 V Reset threshold voltage (VCC) TA = MIN 1.5 V † All typical values are at TA = 25°C unless otherwise indicated. |
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