LT3686 Absolute MAxiMuM rAtingspin conFigurAtion(Note 1) Input Voltage (V TOP VIEW IN) ..55V BOOST Voltage ...55V VIN 1 10 SW BOOST Pin Above SW Pin ...25V BD 2 9 DA 11 FB Voltage ...6V FB 3 GND 8 BOOST EN/UVLO Voltage ..55V SS 4 7 MODE RT 5 6 EN/UVLO BD Voltage ..25V RT Voltage ..6V DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN SS Voltage ...2.5V JA = 43°C/W MODE Voltage ...6V EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range (Note 2) LT3686E .. –40°C to 125°C LT3686I ... –40°C to 125°C LT3686H .. –40°C to 150°C Storage Temperature Range .. –65°C to 150°C orDer inForMAtionLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3686EDD#PBF LT3686EDD#TRPBF LDYC 10-Lead Plastic DFN –40°C to 125°C LT3686IDD#PBF LT3686IDD#TRPBF LDYC 10-Lead Plastic DFN –40°C to 125°C LT3686HDD#PBF LT3686HDD#TRPBF LDYC 10-Lead Plastic DFN –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 non-standard 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/ 3686fc 2 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 Typical Applications Package Description Revision History Related Parts