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TL431M3 Folha de dados(PDF) 2 Page - Cystech Electonics Corp. |
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TL431M3 Folha de dados(HTML) 2 Page - Cystech Electonics Corp. |
2 / 6 page CYStech Electronics Corp. Spec. No. : C502M3 Issued Date : 2003.04.02 Revised Date : 200712.24 Page No. : 2/6 TL431M3 CYStek Product Specification Functional Block Diagram & Symbol Test Circuits Electrical Characteristics ( Ta=25 °C unless otherwise specified ) Functional Block Diagram : Symbol : Characteristics Symbol Test Conditions Min Typ Max Unit TL431A 2.483 2.495 2.507 TL431B 2.470 2.495 2.520 Reference Input Voltage TL431C VREF VKA=VREF, IK=10mA 2.445 2.495 2.545 V Deviation of Reference Input Voltage Over-Temperature (Note) VREF(dev) VKA=VREF, IK=10mA Tmin ≤Ta≤Tmax - 4.5 17 mV IK=10mA, ΔVKA=10V~VREF - -1.0 -2.7 Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage ΔVREF / ΔVKA IK=10mA, ΔKKA=36V~10V - -0.5 -2.0 mV/ V Reference Input Current IREF IK=10mA, R1=10k Ω, R2= ∞ - 1.5 4 μA Deviation of Reference Input Current Over Full Temperature Range IK=10mA, R1=10k Ω, R2= ∞, Ta=Full Range - 0.4 1.2 μA IREF(dev) Minimum Cathode Current for Regulation IK(min) VKA=VREF - 0.45 1.0 mA Off-State Cathode Current IK(off) VKA=36V, VREF=0 - 0.05 1.0 μA Dynamic impedance VKA=VREF, f ≤1.0KHz |ZKA| - 0.15 0.5 Ω IK=1 to 100mA Note : Tmin=0℃, Tmax=70℃ IN VZ Fig3. Test Circuit for Off-State Current Fig 2. Test Circuit for VZ>VREF Note : VZ=VREF(1+R1/R2)+IREFxR1 VREF R2 IZ IREF IN VZ II Fig1. Test Circuit for VZ=VREF R1 VZ IZ VREF IREF II IN Anode Reference + - VREF Cathode Anode Reference Cathode |
Nº de peça semelhante - TL431M3 |
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Descrição semelhante - TL431M3 |
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