Datasheet TL431 (Unisonic Technologies) - 4

TL431 LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Cathode Voltage VKA 37 V Cathode Current Range(Continuous) IKA -100 ~ +150 mA Reference Input Current Range IREF -0.05 ~ +10 mA TO-92 770 mW SOT-89 800 mW Power Dissipation PD SOT-23/SOT-23-3/SOT-25 300 mW SOP-8 600 mW Operating Junction TJ +150 °C Operating Ambient TOPR -40 ~ +85 °C Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged Absolute maximum ratings are stress ratings only and functional device operation is not implied. „ RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN TYP MAX UNIT Cathode Voltage VKA VREF 36 V Cathode Current IKA 1 100 mA „ ELECTRICAL CHARACTERISTICS (TC= 25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TL431-A 2.483 2.495 2.507 V TL431-1 2.470 2.495 2.520 V Reference Input Voltage VREF VKA=VREF,IKA=10mA TL431-2 2.520 - 2.545 V TL431-3 2.445 - 2.470 V Deviation of reference Input Voltage Over ΔVREF VKA=VREF,IKA=10mA, 4.5 17 mV temperature ΔT 0°C ≤TA≤70°C Ratio of Change in Reference Input ΔVREF ΔV I KA=10V~VREF -1.0 -2.7 mV/V Voltage to the Change in Cathode Voltage ΔV KA=10mA KA ΔVKA=36V~10V -0.5 -2.0 mV/V Reference Input Current IREF IKA=10mA, R1=10kΩ, R2=∞ 1.5 4 µA Deviation of Reference Input Current Over ΔIREF IKA=10mA, R1=10kΩ, R2=∞, 0.4 1.2 µA Full Temperature Range ΔT TA =full Temperature Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF 0.3 0.5 mA Off-State Cathode Current IKA(OFF) VKA=36V, VREF=0 0.05 1.0 µA Dynamic Impedance ZKA VKA=VREF, IKA=1~ 100mA,f≤1.0kHz 0.15 0.5 Ω UNISONIC TECHNOLOGIES CO., LTD 4 of 7
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