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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TL431A 데이터시트(PDF) 3 Page - Fairchild Semiconductor |
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TL431A 데이터시트(HTML) 3 Page - Fairchild Semiconductor |
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3 / 10 page  TL431/TL431A 3 Electrical Characteristics (TA = +25°C, unless otherwise specified) •TMIN= -25 °C, TMAX= +85 °C Parameter Symbol Conditions TL431 TL431A Unit Min. Typ. Max. Min. Typ. Max. Reference Input Voltage VREF VKA=VREF, IKA=10mA 2.440 2.495 2.550 2.470 2.495 2.520 V Deviation of Reference Input Voltage Over- Temperature (Note 1) ΔVREF/ ΔT VKA=VREF, IKA=10mA TMIN≤TA≤TMAX -4.5 17 - 4.5 17 mV Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage ΔVREF/ ΔVKA IKA =10mA ΔVKA=10V- VREF - - 1.0 -2.7 - -1.0 -2.7 mV/V ΔVKA=36V- 10V - -0.5 -2.0 - -0.5 -2.0 Reference Input Current IREF IKA=10mA, R1=10KΩ,R2=∞ -1.5 4 - 1.5 4 μA Deviation of Reference Input Current Over Full Temperature Range ΔIREF/ΔT IKA=10mA, R1=10KΩ,R2=∞ TA =Full Range - 0.4 1.2 - 0.4 1.2 μA Minimum Cathode Cur- rent for Regulation IKA(MIN) VKA=VREF - 0.45 1.0 - 0.45 1.0 mA Off - Stage Cathode Current IKA(OFF) VKA=36V, VREF=0 - 0.05 1.0 - 0.05 1.0 μA Dynamic Impedance (Note 2) ZKA VKA=VREF, IKA=1 to 100mA f ≥1.0KHz - 0.15 0.5 - 0.15 0.5 Ω |
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