LT3761/LT3761-1 absoluTe maximum raTingspin conFiguraTion(Note 1) V TOP VIEW IN, EN/UVLO ..60V PWMOUT 1 16 GATE ISP, ISN ...80V FB 2 15 SENSE ISN 3 INTV 14 VIN CC ...VIN + 0.3V, 9.6V ISP 4 17 13 INTVCC GATE, PWMOUT .. (Note 2) V 5 C GND 12 EN/UVLO CTRL 6 11 RT CTRL, OPENLED ..15V V 7 REF 10 DIM/SS PWM 8 9 OPENLED OR SYNC FB, PWM, SYNC ...9.6V MSE PACKAGE V 16-LEAD PLASTIC MSOP C, VREF ..3V T RT, DIM/SS ..1.5V JMAX = 125°C (E-, I-GRADES), TJMAX = 150°C (H-GRADE), θJA = 43°C/W, θJC = 4°C/W SENSE ..0.5V EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB Operating Ambient Temperature Range (Notes 3, 4) LT3761E/LT3761E-1 ... –40 to 125°C LT3761I/LT3761I-1 ... –40 to 125°C LT3761H ..–40 to 150°C Storage Temperature Range .. –65°C to 150°C orDer inFormaTion http://www.linear.com/product/LT3761#orderinfoLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3761EMSE#PBF LT3761EMSE#TRPBF 3761 16-Lead Plastic MSOP –40°C to 125°C LT3761IMSE#PBF LT3761IMSE#TRPBF 3761 16-Lead Plastic MSOP –40°C to 125°C LT3761HMSE#PBF LT3761HMSE#TRPBF 3761 16-Lead Plastic MSOP –40°C to 150°C LT3761EMSE-1#PBF LT3761EMSE-1#TRPBF 37611 16-Lead Plastic MSOP –40°C to 125°C LT3761IMSE-1#PBF LT3761IMSE-1#TRPBF 37611 16-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. 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. elecTrical characTerisTics The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. VIN = 24V, EN/UVLO = 24V, CTRL = 2V, PWM = 5V, unless otherwise noted.PARAMETERCONDITIONSMINTYPMAXUNITS VIN Minimum Operating Voltage VIN Tied to INTVCC l 4.5 V VIN Shutdown IQ EN/UVLO = 0V, PWM = 0V 0.1 1 µA EN/UVLO = 1.15V, PWM = 0V 6 µA VIN Operating IQ (Not Switching) PWM = 0V 1.8 2.2 mA VREF Voltage –100µA ≤ IVREF ≤ 0µA l 1.955 2.02 2.05 V VREF Line Regulation 4.5V ≤ VIN ≤ 60V 0.001 %/V VREF Pull-Up Current VREF = 0V l 150 185 210 µA SENSE Current Limit Threshold l 98 105 118 mV SENSE Input Bias Current Current Out of Pin, SENSE = 0V 40 µA DIM/SS Pull-Up Current Current Out of Pin, DIM/SS = 0V l 10 12 14 µA DIM/SS Voltage Clamp IDIM/SS = 0µA 1.2 V 37611fb 2 For more information www.linear.com/LT3761 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 Typical Application Related Parts