LT1083/LT1084/LT1085 absoluTe MaxiMuM raTings (Note 1) Power Dissipation ... Internally Limited M-Grades: (OBSOLETE) Input-to-Output Voltage Differential Control Section ...– 55°C to 150°C C-Grades ...30V Power Transistor ...–55°C to 200°C I-Grades ..30V Storage Temperature Range ..–65°C to 150°C M-Grades (OBSOLETE) ..35V Lead Temperature (Soldering, 10 sec) ...300°C Operating Junction Temperature Range (Note 9) C-Grades: Control Section ... 0°C to 125°C preconDiTioning Power Transistor ... 0°C to 150°C I-Grades: Control Section ...– 40°C to 125°C 100% thermal shutdown functional test. Power Transistor ...– 40°C to 150°C pin conFiguraTion TAB IS FRONT VIEW FRONT VIEW OUTPUT 3 V 3 VIN TAB IN IS 2 V 2 VOUT OUTPUT OUT 1 ADJ 1 ADJ P PACKAGE T PACKAGE 3-LEAD PLASTIC TO-3P 3-LEAD PLASTIC TO-220 θJA = 35°C/W θJA = 50°C/W OBSOLETE PACKAGE BOTTOM VIEW FRONT VIEW VIN CASE IS OUTPUT 3 VIN 2 TAB IS 2 VOUT OUTPUT 1 1 ADJ ADJ M PACKAGE 3-LEAD PLASTIC DD K PACKAGE 2-LEAD TO-3 METAL CAN θJA = 30°C/W* *WITH PACKAGE SOLDERED TO 0.5IN2 COPPER AREA OVER θJA = 35°C/W BACKSIDE GROUND PLANE OR INTERNAL POWER PLANE. θJA CAN VARY OBSOLETE PACKAGE FROM 20°C/W TO >40°C/W DEPENDING ON MOUNTING TECHNIQUE 108345fh 2 For more information www.linear.com/LT1083 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Applications Information Typical Application Package Description Revision History Typical Applications Related Parts