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TL1431QLP Fiches technique(PDF) 4 Page - Texas Instruments |
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TL1431QLP Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 18 page TL1431 PRECISION PROGRAMMABLE REFERENCE SLVS062F – DECEMBER 1991 – REVISED JANUARY 2000 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Cathode voltage,VKA (see Note 1) 37 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous cathode current range, IKA –100 mA to 150 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reference input current range, II(ref) –50 µA to 10 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 2 and 3): D package 97 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . KTP package 28 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . LP package 156 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † 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. NOTES: 1. All voltage values are with respect to ANODE unless otherwise noted. 2. Maximum power dissipation is a function of TJ(max),θJA,andTA.Themaximumallowablepowerdissipationatanyallowableambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability. 3. The package thermal impedance is calculated in accordance with JESD 51. POWER DISSIPATION RATING TABLE – FREE-AIR TEMPERATURE PACKAGE TA = 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING TA = 85°C POWER RATING TA = 125°C POWER RATING FK 1375 mW 11.0 mW/ °C 880 mW 715 mW 275 mW JG 1050 mW 8.4 mW/ °C 672 mW 546 mW 210 mW recommended operating conditions MIN MAX UNIT VKA Cathode voltage VI(ref) 36 V IKA Cathode current 1 100 mA TL1431C 0 70 TA Operating free-air temperature TL1431Q –40 125 °C TL1431M –55 125 |
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