LT8315 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) DRAIN ...630V TOP VIEW BIAS, EN/UVLO ...40V DRAIN 1 20 GND INTV DRAIN 2 19 NC CC ..15V DRAIN 3 18 SOURCE SMODE ... INTVCC 17 EN/UVLO SOURCE, TC, FB, V 21 C, IREG/SS ..4V 16 SMODE GND DCM ...±100mA 15 GND 14 IREG/SS Operating Junction Temperature (Note 2) INTVCC 8 13 VC LT8315E, LT8315I .. −40°C to 125°C BIAS 9 12 FB DCM 10 11 TC LT8315H .. −40°C to 150°C Storage Temperature Range .. −65°C to 150°C FE PACKAGE 20(16)-LEAD PLASTIC TSSOP Lead Temperature (Soldering, 10 sec) ..300 °C θJA = 38°C/W, θJC = 10°C/W EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION http://www.linear.com/product/LT8315#orderinfoLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT8315EFE#PBF LT8315EFE#TRPBF LT8315FE 20-Lead Plastic TSSOP –40°C to 125°C LT8315IFE#PBF LT8315IFE#TRPBF LT8315FE 20-Lead Plastic TSSOP –40°C to 125°C LT8315HFE#PBF LT8315HFE#TRPBF LT8315FE 20-Lead Plastic TSSOP –40°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container Consult LTC Marketing for information on nonstandard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 8315fa 2 For more information www.linear.com/LT8315 Document Outline FEATURES APPLICATIONS DESCRIPTION TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS