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SN431AM Datasheet(PDF) 3 Page - KODENSHI_AUK CORP. |
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SN431AM Datasheet(HTML) 3 Page - KODENSHI_AUK CORP. |
3 / 14 page KSD-I0A013-006 3 SN431/SNF431 ◈ Absolute maximum ratings [Ta=25℃] Characteristic Symbol Rating Unit Cathode to Anode voltage VKA 37 V Cathode current IK 150 mA Reference input current Iref 10 mA SOT-23 PD(Note1) 350 SOT-25 PD(Note1) 400 SOT-89 PD(Note1) 500 TO-92 PD(Note2) 625 Power Dissipation TO-92M PD(Note2) 400 mW Junction Temperature TJ 150 ℃ Operating temperature range Topr -40 ~ +85 ℃ Storage temperature range Tstg -55 ~ +150 ℃ Note 1 : Mounted on a glass epoxy PCB board (25.4 × 25.4mm).TA=25℃ Note 2 : TA=25℃ ◈ Recommended operating conditions Rating Characteristic Symbol Min. Max. Unit Cathode to Anode voltage VKA Vref 36 V Cathode current IK 1 100 mA ◈ Electrical Characteristics (Ta=25 , unless otherwise noted.) ℃ Characteristic Symbol Condition Min. Typ. Max. Unit SN431B 2.482 2.508 Reference voltage (Fig.1) Vref VKA=Vref, IK=10mA SN431A 2.470 2.495 2.520 V Reference input voltage deviation over temperature (Fig.1, Note1,2) ΔVref VKA=Vref , IK=10mA @ -40˚C ≤ Ta ≤ 85˚C - 7 30 mV ΔVref Ratio of delta reference input voltage to delta cathode voltage (Fig.2) ΔVKA IK=10mA Vref≤VKA≤36V - -1.0 -2.7 mV/V Reference current (Fig.2) Iref IK=10mA, R1=10KΩ, R2=∞ - 1.8 4.0 μΑ Reference input current deviation over temperature (Fig.2, Note 1,2) ΔIref IK=10mA, R1=10KΩ, R2=∞ @ -40˚C ≤ Ta ≤ 85˚C - 0.4 2.5 μΑ Minimum cathode current for regulation IK(MIN) VKA=Vref - 0.35 1.0 mΑ Off-state cathode current (Fig.3) IK(off) VKA=36V, Vref=0V - 2.7 1000 nA Dynamic impedance (Fig.1, Note3) ZKA VKA=Vref, f ≤ 1.0KHz 1.0mA ≤ IK ≤ 100mA - 0.15 0.5 Ω |
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