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TL431 Datasheet(PDF) 3 Page - Hotchip Technology Co.,Ltd |
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TL431 Datasheet(HTML) 3 Page - Hotchip Technology Co.,Ltd |
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3 / 6 page  TL431(D) High Accuracy Adjustable Shunt Regulator 第 3 页 共 6 页 TL431-0.5% ELECTRICAL CHARACTERISTIC (TA=25℃,unless otherwise specified) CHARACTERISTIC SYMBOL CIR-CUIT TEST CONDITION MIN. TYP. MAX. UNIT Reference Input Voltage VREF 1 VKA=VREF.IK=10mA 2.482V 2.495V 2.507V Deviation of Reference Input Voltage Over Full Temperature Range △ VREF/△T 1 VKA=VREF,IK=10 mA TA=Full Range 3 17 mA Ratio of Change in Reference Input Voltage to the Change in Cathod Voltage △ VREF/△ VKA 2 IK=10 mA △ VKA=10V-VREF -1.4 -2.7 mv/V △ VKA=36V-10V -1 -2 Reference Input Current IREF 2 IKA=10mA,R1-10KΩ,R2= 1.8 4 uA Deviation of Reference Input Current Over Full Temperatur Range △ IPEF/△T 2 IK=10mA,R1=10KΩ,R2= TA=Full Range 0.4 1.2 uA Minimum Cathode Current for Regulation IKAMIN 1 △ VKA=VREF 0.5 1 mA Off-State Cathode Current IKAOFF 3 VKA=36V，VREF=0 0.2 1 uA Dynamic Impedance ZKA 1 VKA=VREF,IK=1mA~100mA f ≤ 1KHZ 0.2 0.5 Ω TL431-1% ELECTRICAL CHARACTERISTIC (TA=25℃,unless otherwise specified) CHARACTERISTIC SYMBOL CIR-CUIT TEST CONDITION MIN. TYP. MAX. UNIT Reference Input Voltage VREF 1 VKA=VREF.IK=10mA 2.47 2.495V 2.52 Deviation of Reference Input Voltage Over Full Temperature Range △ VREF/△T 1 VKA=VREF,IK=10 mA TA=Full Range 3 17 mV Ratio of Change in Reference Input Voltage to the Change in Cathod Voltage △ VREF/△ VKA 2 IK=10 mA △ VKA=10V-VREF -1.4 -2.7 mv/V △ VKA=36V-10V -1 -2 Reference Input Current IREF 2 IKA=10mA,R1-10KΩ,R2= 1.8 4 uA Deviation of Reference Input Current Over Full Temperatur Range △ IPEF/△T 2 IK=10mA,R1=10KΩ,R2= TA=Full Range 0.4 1.2 uA Minimum Cathode Current for Regulation IKAMIN 1 △ VKA=VREF 0.5 1 mA Off-State Cathode Current IKAOFF 3 VKA=36V，VREF=0 0.2 1 uA Dynamic Impedance ZKA 1 VKA=VREF,IK=1mA~100mA f ≤ 1KHZ 0.2 0.5 Ω |
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