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LM285DR-1-2 데이터시트(PDF) 3 Page - Texas Instruments |
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LM285DR-1-2 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 15 page LM2851.2, LM3851.2, LM385B1.2 MICROPOWER VOLTAGE REFERENCES SLVS075H − APRIL 1989 − REVISED FEBRUARY 2005 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Reverse current, IR 30 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Forward current, IF 10 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 1 and 2): D package 97 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . LP package 140 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . PS package 95 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 149 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . Operating virtual junction temperature, TJ 150 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. 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. Operation at the absolute maximum TJ of 150°C can affect reliability. 2. The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions MIN MAX UNIT IZ Reference current 0.01 20 mA TA Operating free-air temperature range LM285-1.2 −40 85 °C TA Operating free-air temperature range LM385-1.2, LM385B-1.2 0 70 °C |
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