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TL431ASDT Datasheet(PDF) 8 Page - NXP Semiconductors |
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TL431ASDT Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 27 page TL431_FAM All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 4 — 30 June 2011 8 of 27 NXP Semiconductors TL431 family Adjustable precision shunt regulator Ioff off-state current VKA =36 V; Vref =0 - 0.1 1 A ZKA dynamic cathode-anode impedance IK =1mA to100mA; VKA =Vref; f < 1 kHz -0.2 0.5 A-Grade(1%): TL431ACDBZR; TL431AIDBZR; TL431AQDBZR; TL431AFDT; TL431AMFDT; TL431ASDT; TL431AMSDT Vref reference voltage VKA =Vref; IK = 10 mA 2470 2495 2520 mV V ref reference voltage variation VKA =Vref; IK =10mA TL431ACDBZR Tamb =0 Cto 70 C- 6 16 mV TL431AIDBZR Tamb = 40 Cto85 C - 14 34 mV TL431AQDBZR TL431AFDT TL431AMFDT TL431ASDT TL431AMSDT Tamb = 40 C to 125 C V ref/VKA reference voltage variation to cathode-anode voltage variation ratio IK =10mA V KA =10 V to Vref - 1.4 2.7 mV/V V KA =36 V to 10 V - 1 2mV/V Iref reference current IK =10mA; R1 = 10 k ; R2 = open -2 4 A I ref reference current variation IK =10mA; R1 = 10 k ; R2 = open TL431ACDBZR Tamb =0 Cto 70 C- 0.4 1.2 A TL431AIDBZR Tamb = 40 Cto85 C- 0.8 2.5 A TL431AQDBZR TL431AFDT TL431AMFDT TL431ASDT TL431AMSDT Tamb = 40 C to 125 C IK(min) minimum cathode current VKA =Vref TL431ACDBZR Tamb =0 Cto 70 C- 0.4 0.6 mA TL431AIDBZR Tamb = 40 Cto85 C TL431AQDBZR TL431AFDT TL431AMFDT TL431ASDT TL431AMSDT Tamb = 40 C to 125 C Ioff off-state current VKA =36 V; Vref =0 - 0.1 0.5 A ZKA dynamic cathode-anode impedance IK =1mA to100mA; VKA =Vref; f < 1 kHz -0.2 0.5 Table 10. Characteristics …continued Tamb =25 C unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit |
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