LT1086 Series WWWUABSOLUTE MAXIMUM RATINGS (Note 1) Power Dissipation ... Internally Limited “M” Grades Input Voltage* ... 30V Control Section .. – 55°C to 150°C Operating Input Voltage Power Transistor .. – 55°C to 200°C Adjustable Devices ... 25V Storage Temperature Range ... – 65°C to 150°C 2.85V Devices .. 18V Lead Temperature (Soldering, 10 sec).. 300°C 3.3V, 3.6V, and 5V Devices ... 20V * Although the device’s maximum operating voltage is limited, (18V for a 12V Devices .. 25V 2.85V device, 20V for a 5V device, and 25V for adjustable and12V devices) the Operating Junction Temperature Range devices are guaranteed to withstand transient input voltages up to 30V. For “C” Grades input voltages greater than the maximum operating input voltage some Control Section ... 0°C to 125°C degradation of specifications will occur. For fixed voltage devices operating at input/output voltage differentials greater than 15V, a minimum external load Power Transistor ... 0°C to 150°C of 5mA is required to maintain regulation. “I” Grades UUU Control Section .. – 40°C to 125°C PRECONDITIONING Power Transistor .. – 40°C to 150°C 100% Thermal Shutdown Functional Test. UWUPACKAGE/ORDER INFORMATION ORDER FRONT VIEW ORDER BOTTOM VIEW PART NUMBER 3 V PART NUMBER IN ADJ TAB IS 2 LT1086CH 2 VOUT OUTPUT LT1086CM VIN 1 3 VOUT LT1086MH 1 ADJ (GND)† LT1086CM-3.3 (CASE) M PACKAGE LT1086CM-3.6 3-LEAD PLASTIC DD LT1086IM H PACKAGE θJA = 30°C/W** 3-LEAD TO-39 METAL CAN LT1086IM-3.3 ** WITH PACKAGE SOLDERED TO 0.5IN2 COPPER AREA θJA = 150°C/W OVER BACKSIDE GROUND PLANE OR INTERNAL POWER PLANE. θJA CAN VARY FROM 20°C/W TO >40°C/W DEPENDING ON MOUNTING TECHNIQUE. ORDER ORDER PART NUMBER PART NUMBER BOTTOM VIEW CASE VIN IS OUTPUT LT1086CK FRONT VIEW LT1086CT 2 LT1086CK-5 3 V LT1086CT-2.85 IN LT1086CK-12 TAB IS 2 V LT1086CT-3.3 OUTPUT OUT 1 LT1086IK 1 ADJ LT1086IT (GND)† ADJ (GND)* LT1086IK-5 LT1086IT-5 T PACKAGE 3-LEAD PLASTIC TO-220 K PACKAGE LT1086IK-12 LT1086IT-12 2-LEAD TO-3 METAL CAN LT1086MK θ θ JA = 50°C/W LT1086CT-3.6 JA = 35°C/W LT1086MK-5 LT1086CT-5 LT1086MK-12 LT1086CT-12 OBSOLETE PACKAGES Consider the T Package for Alternate Source †For fixed versions. Consult LTC Marketing for parts specified with wider operating temperature ranges. sn1086 1086ffs 2