LT3081 orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3081EDF#PBF LT3081EDF#TRPBF 3081 12-Lead (4mm × 4mm) Plastic DFN –40°C to 125°C LT3081IDF#PBF LT3081IDF#TRPBF 3081 12-Lead (4mm × 4mm) Plastic DFN –40°C to 125°C LT3081EFE#PBF LT3081EFE#TRPBF 3081FE 16-Lead Plastic TSSOP –40°C to 125°C LT3081IFE#PBF LT3081IFE#TRPBF 3081FE 16-Lead Plastic TSSOP –40°C to 125°C LT3081HFE#PBF LT3081HFE#TRPBF 3081FE 16-Lead Plastic TSSOP –40°C to 150°C LT3081MPFE#PBF LT3081MPFE#TRPBF 3081FE 16-Lead Plastic TSSOP –55°C to 150°C LT3081ER#PBF LT3081ER#TRPBF LT3081R 7-Lead Plastic DD-Pak –40°C to 125°C LT3081IR#PBF LT3081IR#TRPBF LT3081R 7-Lead Plastic DD-Pak –40°C to 125°C LT3081ET7#PBF NA LT3081T7 7-Lead Plastic TO-220 –40°C to 125°C LT3081IT7#PBF NA LT3081T7 7-Lead Plastic TO-220 –40°C to 125°C LT3081HT7#PBF NA LT3081T7 7-Lead Plastic TO-220 –40°C to 150°C LT3081MPT7#PBF NA LT3081T7 7-Lead Plastic TO-220 –55°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/ elecTrical characTerisTics The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TJ = 25°C. (Note 2)PARAMETERCONDITIONSMINTYPMAXUNITS SET Pin Current ISET VIN = 2V, ILOAD = 5mA 49.5 50 50.5 µA 2V ≤ VIN ≤ 36V, 5mA ≤ ILOAD ≤ 1.5A l 48.75 50 51.25 µA Offset Voltage VOS VIN = 2V, ILOAD = 5mA –1.5 0 1.5 mV (VOUT – VSET) VIN = 2V, ILOAD = 5mA l –3.5 0 3.5 mV ISET Load Regulation ∆ILOAD = 5mA to 1.5A –0.1 nA VOS Load Regulation ∆ILOAD = 5mA to 1.5A DF, FE Packages l –0.5 –3 mV (Note 7) R, T7 Packages l –1.5 –4 mV Line Regulation ∆ISET ∆VIN = 2V to 36V, ILOAD = 5mA 1.5 nA/V ∆VOS ∆VIN = 2V to 36V, ILOAD = 5mA 0.001 mV/V Minimum Load Current (Note 3) 2V ≤ VIN ≤ 36V l 1.1 5 mA Dropout Voltage (Note 4) ILOAD = 100mA 1.21 V ILOAD = 1.5A l 1.23 1.5 V Internal Current Limit VIN = 5V, VSET = 0V, VOUT = –0.1V l 1.5 2 A ILIM Programming Ratio l 300 360 500 mA/kΩ ILIM Minimum Output Current Resistance 450 Ω IMON Full-Scale Output Current ILOAD = 1.5A 290 300 330 µA IMON Scale Factor 100mA ≤ ILOAD ≤ 1.5A 200 µA/A IMON Operating Range l VOUT – 40V VOUT + 0.4V V 3081fc For more information www.linear.com/LT3081 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts