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LT3959 Arkusz danych(PDF) 2 Page - Linear Technology |
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LT3959 Arkusz danych(HTML) 2 Page - Linear Technology |
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2 / 26 page ![]() LT3959 2 3959fa For more information www.linear.com/LT3959 pin conFiguraTion absoluTe MaxiMuM raTings VIN ............................................................................40V EN/UVLO (Note 2).....................................................40V DRIVE .......................................................................40V PGOOD......................................................................40V SW............................................................................40V INTVCC........................................................................8V SYNC ..........................................................................8V (Note 1) VC, SS.........................................................................3V RT ............................................................................1.5V GND, GNDK to SGND .............................................±0.3V FBX ................................................................. –3V to 3V Operating Junction Temperature Range (Note 3) LT3959E/LT3959I .............................. –40°C to 125°C Storage Temperature Range .................. –65°C to 125°C 12 13 14 TOP VIEW UHEMA PACKAGE 36-LEAD (5mm × 6mm) PLASTIC QFN 15 16 17 36 35 34 33 32 31 30 21 23 24 25 27 28 8 6 4 3 2 1 NC NC NC SGND NC SW SW NC DRIVE VIN EN/UVLO SGND NC SW SW 20 9 10 37 SGND 38 SW TJMAX =125°C, θJA = 42°C/W, θJC = 3°C/W EXPOSED PAD (PIN 37) IS SGND, MUST BE SOLDERED TO SGND PLANE EXPOSED PAD (PIN 38) IS SW, MUST BE SOLDERED TO SW PLANE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 TOP VIEW FE PACKAGE 38-LEAD PLASTIC TSSOP 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 NC NC NC VC FBX SS RT SYNC PGOOD SGND NC SW NC NC SW NC GNDK GND GND NC NC NC NC EN/UVLO VIN DRIVE INTVCC NC SGND NC SW NC NC SW NC GND GND GND 39 SGND 40 SW TJMAX =125°C, θJA = 42°C/W, θJC = 3°C/W EXPOSED PAD (PIN 39) IS SGND, MUST BE SOLDERED TO SGND PLANE EXPOSED PAD (PIN 40) IS SW, MUST BE SOLDERED TO SW PLANE |
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