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L78L08ACZ-AP 데이터시트(PDF) 5 Page - STMicroelectronics |
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L78L08ACZ-AP 데이터시트(HTML) 5 Page - STMicroelectronics |
5 / 46 page DocID2145 Rev 25 5/46 L78L Maximum ratings 46 3 Maximum ratings Table 1. Absolute maximum ratings Symbol Parameter Value Unit VI DC Input voltage VO = 3.3 to 9 V 30 V VO = 12 to 15 V 35 VO = 18 to 24 V 40 IO Output current 100 mA PD Power dissipation Internally limited (1) 1. Our SO-8 package used for voltage regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external dimensions are the same as for the standard SO-8. mW TSTG Storage temperature range -65 to 150 °C TOP Operating junction temperature range for L78LxxAC / L78LxxC 0 to 125 °C for L78LxxAB -40 to 125 Table 2. Thermal data Symbol Parameter SO-8 TO-92 SOT-89 Unit RthJC Thermal resistance junction-case (max) 20 15 °C/W RthJA Thermal resistance junction-ambient (max) 55 (1) 200 55 (1) °C/W 1. Considering 6 cm² of copper Board heat-sink. |
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