Datasheet LT3761A (Analog Devices) - 2

制造商Analog Devices
描述60VIN LED Controller with Internal PWM Generator
页数 / 页30 / 2 — absoluTe maximum raTings. pin conFiguraTion. (Note 1). orDer inFormaTion. …
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absoluTe maximum raTings. pin conFiguraTion. (Note 1). orDer inFormaTion. (http://www.linear.com/product/LT3761A#orderinfo

absoluTe maximum raTings pin conFiguraTion (Note 1) orDer inFormaTion (http://www.linear.com/product/LT3761A#orderinfo

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LT3761A
absoluTe maximum raTings pin 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 FB, PWM ..9.6V MSE PACKAGE V 16-LEAD PLASTIC MSOP C, VREF ..3V θ RT, DIM/SS ..1.5V JA = 43°C/W, θJC = 4°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB SENSE ..0.5V Operating Ambient Temperature Range (Notes 3, 4) LT3761AE .. –40 to 125°C LT3761AI ... –40 to 125°C Storage Temperature Range .. –65°C to 150°C
orDer inFormaTion (http://www.linear.com/product/LT3761A#orderinfo ) LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3761AEMSE#PBF LT3761AEMSE#TRPBF 3761A 16-Lead Plastic MSOP –40°C to 125°C LT3761AIMSE#PBF LT3761AIMSE#TRPBF 3761A 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 operating temperature range, otherwise specifications are at TA = 25°C. VIN = 24V, EN/UVLO = 24V, CTRL = 2V, PWM = 5V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
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 11 14 17 µA DIM/SS Voltage Clamp IDIM/SS = 0µA 1.2 V 3761af 2 For more information www.linear.com/LT3761A 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 Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts