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UM1431S-32 Datasheet(PDF) 10 Page - Union Semiconductor, Inc. |
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UM1431S-32 Datasheet(HTML) 10 Page - Union Semiconductor, Inc. |
10 / 19 page ________________________________________________________________________ http://www.union-ic.com Rev.01 Apr.2016 10/19 UM1431/1441 Absolute Maximum Ratings (Note 1) Symbol Parameter Value Unit VIN Supply Voltage on VIN Pin -0.3 to +33 V VOUT Voltage on VOUT Pin -0.3 to +33 V TJ Operating Junction Temperature (Notes 2, 3) -40 to +125 °C TSTG Storage Temperature Range -65 to +150 °C TL Lead Temperature for Soldering 10 Seconds +260 °C PD (Notes 4) Power Dissipation@25°C SOT23-3 0.40 W SOT89-3 1.0 SOT23-5 0.43 SOT89-5 1.20 θ JA Package Thermal Resistance SOT23-3 250 °C/W SOT89-3 100 SOT23-5 230 SOT89-5 83 Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The UM1431/1441 is tested and specified under pulse load conditions such that TJ≈TA. Specifications over the -40°C to 125°C operating junction temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: This IC includes over temperature protection that is intended to protect the device during momentary overload conditions. Junction temperature will exceed 125°C when over temperature protection is active. Continuous operation above the specified maximum operating junction temperature may impair device reliability. Note 4: The maximum allowable power dissipation of any TA (ambient temperature) is PDMAX= (TJMAX-TA)/θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature and the regulator will go into thermal shutdown. |
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