TL431

www.msksemi.com TL431 Semiconductor Compiance Features: • Programmable output Voltage to 36 V • Low dynamic output impedance • Sink current capability of 1 to 100 mA • Low output noise voltage • Fast turn on response SOT-23 1. Reference 2.Cathode 3. Anode Absolute Maximum Ratings (Ta = 25 OC, unless otherwise noted.) Parameter Symbol Value Cathode Voltage VKA 36 Cathode Current Range (Continuous) IKA - 100 to + 150 mA Reference Input Current Range IREF - 0.05 to + 10 mA Power Dissipation PD 350 mW Operating Temperature Range Topr - 25 to + 85 O Tj 150 O Tstg - 65 to + 150 O Junction Temperature Storage Temperature Range Unit V C C C Recmmended Operating Conditions Parameter Symbol Min. Max. Unit Cathode Voltage VKA VREF 36 V Cathode Current IKA 1 100 mA Characteristics at Ta = 25 OC Parameter Reference Input Voltage at VKA = VREF, IKA = 10 mA MMTL431 MMTL431A Deviation of Reference Input Voltage Over Temperatue at VKA = VREF, IKA = 10 mA, - 25 OC ≤ Ta ≤ + 85 OC Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage at IKA = 10 mA ∆VKA = 10 V to VREF ∆VKA = 36 V to 10 V Symbol Min. Typ. Max. Unit VREF 2.44 2.48 2.495 2.495 2.55 2.51 V - 4.5 17 mV - -1.0 -0.5 -2.7 -2 - 1.5 4 μA - 0.4 1.2 μA - 0.45 1 mA - 0.05 1 μA - 0.15 0.5 Ω ∆VREF /∆T ∆VREF/∆ VKA Reference Input Current IREF at IKA = 10 mA, R1 = 10 KΩ, R2 = ∞ Deviation of Reference Input Current Over Full Temperatue ∆IREF/∆T at IKA = 10 mA, R1 = 10 KΩ, R2 = ∞, - 25 OC ≤ Ta ≤ + 85 OC Minimum Cathode Current for Regulation IKA(min) at VKA = VREF Off-Stage Cathode Current IKA(OFF) at VKA = 36 V, VREF = 0 Dynamic Impedance ZKA at VKA = VREF, IKA = 1 to 100 mA, f ≤ 1 KHz mV/V www.msksemi.com TL431 Semiconductor Compiance www.msksemi.com TL431 Semiconductor Compiance PACKAGE MECHANICAL DATA Symbol A A1 A2 b c D E E1 e e1 L L1 θ Dimensions In Millimeters Min Max 0.900 1.150 0.000 0.100 0.900 1.050 0.300 0.500 0.080 0.150 2.800 3.000 1.200 1.400 2.250 2.550 0.950 TYP 1.800 2.000 0.550 REF 0.300 0.500 0° 8° Dimensions In Inches Min Max 0.035 0.045 0.000 0.004 0.035 0.041 0.012 0.020 0.003 0.006 0.110 0.118 0.047 0.055 0.089 0.100 0.037 TYP 0.071 0.079 0.022 REF 0.012 0.020 0° 8° REEL SPECIFICATION P/N PKG QTY TL431 SOT-23 3000 www.msksemi.com TL431 Semiconductor Compiance Attention ■ Any and all MSKSEMI Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. 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