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ILE4275DOT Datasheet(PDF) 3 Page - IK Semicon Co., Ltd |
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ILE4275DOT Datasheet(HTML) 3 Page - IK Semicon Co., Ltd |
3 / 8 page ILE4275 January 2011, Ver.01 Table 2. Absolute Maximum Ratings Symbol Parameter Min. Max. Unit Т J Junction temperature -40* 150 oC Т stg Storage temperature -50 150 oC VI Input voltage -42 45 V VD Reset delay pin voltage -0.3** 7** V ID Reset delay pin current -2 2 mA VR Reset pin voltage -0,3** 25** V IRO Reset pin current -5 5 mA VQ Output voltage -1,0** 16** V _________ * Ambient temperature is indicated. ** Voltage is not applied to input I * 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 in- dicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. Table 3. Recommended Operation Rate Symbol Parameter Min. Max. Unit Т J Junction temperature -40* 150 oC VI Input voltage 5,6 40 V VQ Output voltage 4,9 5,1 V Note: Maximum power Ptot,W, dissipated by IC at ambient temperature TA , is calculated by formula: Ptot = (150 - TA) / Rth j-a , (1) 150 – maximum permissible operating junction temperature, OC. Rth j-a - thermal resistance junction ambient (for IC without heat sink), oC /W, for ILE4275 without heat sink Rth ja is equal 80 oC /W for ILE4275 without heat sink Rth ja is equal 65 oC /W for IC with heat sink Rth ja is calculated by formula Rth j-a = Rth j-c + Rth c-a , ( 2 ) Rth j-c - thermal resistance junction case, oC /W. R th jc = 4 oC/W. Thermal resistance case-ambient Rth c-a is determined by heat sink design and is se- lected by IC customer. Application circuit and heat sink and ambient temperature have to provide junction tempera- ture not more TJ 150 OC. _________ * Ambient temperature is indicated. |
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