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数据搜索系统，热门电子元器件搜索 |
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TL431CS 数据表(PDF) 3 Page - First Components International |
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TL431CS 数据表(HTML) 3 Page - First Components International |
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3 / 9 page  TL431 Programmable Precision References ELECTRICAL CHARACTERISTICS (Ambient temperature at 25oC unless otherwise noted) TL431I TL431C Characteristic Symbol M i n Typ Max M i n Typ Max Unit Reference Input Voltage (Fig. 1) Vref V VKA = Vref, IK = 10mA TA = 25 oC 2.44 2.495 2.55 2.44 2.495 2.55 TA = Tlow to Thigh (Note 1) 2.41 --- 2.58 2.423 --- 2.567 Reference Input Voltage Deviation Over ∆Vref --- 7.0 30 --- 3.0 17 mV Temperature Range (Fig. 1, Note 1, 2, 4) VKA = Vref, IK = 10mA Ratio of Change in Reference Input Voltage ∆Vref mV/V to Change in Cathode to Anode Voltage ∆VKA IK = 10mA (Fig. 2), ∆VKA = 10V to Vref --- -1.4 -2.7 --- -1.4 -2.7 ∆VKA = 36V to 10V --- -1.0 -2.0 --- -1.0 -2.0 Reference Input Current (Fig. 2) Iref µA IK = 10mA, R1 = 10k, R2 = TA = 25 oC --- 1.8 4.0 --- 1.8 4.0 TA = Tlow to Thigh (Note 1) --- --- 6.5 --- --- 5.2 Reference Input Current Deviation Over ∆Iref --- 0.8 2.5 --- 0.4 1.2 µA Temperature Range (Fig. 2, Note 1, 4) IK = 10mA, R1 = 10k, R2 = Minimum Cathode Current for Regulation Imin --- 0.5 1.0 --- 0.5 1.0 mA VKA = Vref (Fig. 1) Off - State Cathode Current (Fig. 3) Ioff --- 260 1000 --- 2.6 1000 nA VKA = 36V, Vref = 0V Dynamic Impedance (Fig. 1, Note 3) ZKA --- 0.22 0.5 --- 0.22 0.5 Ω VKA = Vref, ∆IK = 1.0mA to 100mA, f < 1.0 kHz ELECTRICAL CHARACTERISTICS (Ambient temperature at 25oC unless otherwise noted) TL431AI TL431AC TL431B Characteristic Symbol M i n Typ Max Mi n Typ Max Mi n Typ Max Unit Reference Input Voltage (Fig. 1) Vref V VKA = Vref, IK = 10mA TA = 25 oC 2.47 2.495 2.52 2.47 2.495 2.52 2.483 2.495 2.507 TA = Tlow to Thigh (Note 1) 2.44 --- 2.55 2.453 --- 2.537 2.475 2.495 2.515 Reference Input Voltage Deviation Over ∆Vref --- 7.0 30 --- 3.0 17 --- 3.0 17 mV Temperature Range (Fig. 1, Note 1, 2, 4) VKA = Vref, IK = 10mA Ratio of Change in Reference Input Voltage ∆Vref mV/V to Change in Cathode to Anode Voltage ∆VKA IK = 10mA (Fig. 2), ∆VKA = 10V to Vref --- -1.4 -2.7 --- -1.4 -2.7 --- -1.4 -2.7 ∆VKA = 36V to 10V --- -1.0 -2.0 --- -1.0 -2.0 --- -1.0 -2.0 Reference Input Current (Fig. 2) Iref µA IK = 10mA, R1 = 10k, R2 = TA = 25 oC --- 1.8 4.0 --- 1.8 4.0 --- 1.1 2.0 TA = Tlow to Thigh (Note 1) --- --- 6.5 --- --- 5.2 --- --- 4.0 Reference Input Current Deviation Over ∆Iref --- 0.8 2.5 --- 0.4 1.2 --- 0.4 1.2 µA Temperature Range (Fig. 2, Note 1, 4) IK = 10mA, R1 = 10k, R2 = Minimum Cathode Current for Regulation Imin --- 0.5 1.0 --- 0.5 1.0 --- 0.5 1.0 mA VKA = Vref (Fig. 1) Off - State Cathode Current (Fig. 3) Ioff --- 260 1000 --- 260 1000 --- 230 500 nA VKA = 36V, Vref = 0V Dynamic Impedance (Fig. 1, Note 3) ZKA --- 0.22 0.5 --- 0.22 0.5 --- 0.14 0.3 Ω VKA = Vref, ∆IK = 1.0mA to 100mA, f < 1.0 kHz 9-3 |
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