Datasheet LT3761, LT3761-1 (Analog Devices) - 7

LT3761/LT3761-1
Typical perFormance characTerisTics TA = 25°C, unless otherwise noted. DIM/SS Voltage ISP/ISN Input Bias Current ISP/ISN Input Bias Current vs Current, Temperature vs CTRL Voltage, ISP = 48V vs CTRL Voltage, ISN = 0V
1.30 120 0 ISP 100 –40 1.25 ISN TA = –45°C, 25°C 80 –80 1.20 60 TA = 130°C –120 DIM/SS VOLTAGE (V) 40 ISP 1.15 INPUT BIAS CURRENT (µA) ISN INPUT BIAS CURRENT (µA) –160 20 1.10 0 –200 –10 0 10 20 30 40 50 0 0.5 1 1.5 2 0 0.5 1 1.5 2 DIM/SS CURRENT (µA) CTRL (V) CTRL (V) 37611 G20 37611 G21 37611 G19
PWMOUT Duty Ratio PWMOUT Duty Ratio VISP-ISN Overcurrent Threshold vs Temperature, IDIM/SS = 0µA vs Temperature, IDIM/SS = 21.5µA vs Temperature
9.5 55 800 CPWM = 47nF CPWM = 47nF 9.0 53 700 8.5 51 600 (mV) ISP = 24V 8.0 49 500 DUTY RATIO (%) 7.5 DUTY RATIO (%) V ISP-ISN ISN = 0V 47 400 7.0 6.5 45 300 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 37611 G22 37611 G23 37611 G24 37611fb For more information www.linear.com/LT3761 7 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