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TL1431 数据表(PDF) 3 Page - Texas Instruments |
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TL1431 数据表(HTML) 3 Page - Texas Instruments |
3 / 28 page www.ti.com CATHODE REF ANODE 800 Ω 2.4 k Ω 4 k Ω 20 pF 1 k Ω 7.2 k Ω 800 Ω 800 Ω 150 Ω 10 k Ω 3.28 k Ω 20 pF 1 8 2, 3, 6, 7 Absolute Maximum Ratings (1) TL1431 PRECISION PROGRAMMABLE REFERENCE SLVS062L – DECEMBER 1991 – REVISED OCTOBER 2007 EQUIVALENT SCHEMATIC A. All component values are nominal. B. Pin numbers shown are for the D package. over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VKA Cathode voltage(2) 37 V IKA Continuous cathode current range –100 150 mA II(ref) Reference input current range –0.05 10 mA D package 97 θJA Package thermal impedance(3)(4) LP package 140 °C/W PW package 149 FK package 5.61 θJC Package thermal impedance(5)(6) °C/W JG package 14.5 TJ Operating virtual junction temperature 150 °C Lead temperature 1,6 mm (1/16 in) from case for 10 s 260 °C Tstg Storage temperature range –65 150 °C (1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to ANODE, unless otherwise noted. (3) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. (4) The package thermal impedance is calculated in accordance with JESD 51-7. (5) Maximum power dissipation is a function of TJ(max), θJC, and TC. The maximum allowable power dissipation at any allowable case temperature is PD = (TJ(max) – TC)/θJC. Operating at the absolute maximum TJ of 150°C can affect reliability. (6) The package thermal impedance is calculated in accordance with MIL-STD-883. Copyright © 1991–2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TL1431 |
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类似说明 - TL1431 |
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