Datasheet LT3791-1 (Analog Devices) - 6

LT3791-1
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(ISP-ISN) Threshold vs VFB ISMON Voltage vs Temperature ISMON Voltage vs V(ISP-ISN)
120 1.04 1.0 VIN = 12V V 0.9 100 1.03 (ISP-ISN) = 100mV 0.8 1.02 0.7 80 1.01 0.6 (mV) (V) (V) 60 1.00 0.5 V ISMON V ISMON 0.4 V (ISP-ISN) 0.99 40 0.3 0.98 0.2 20 0.97 0.1 0 0.96 0 1.17 1.18 1.19 1.20 1.21 1.22 1.23 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 80 90 100 VFB (V) TEMPERATURE (°C) V(ISP-ISN) (mV) 37911 G10 37911 G11 37911 G12
V(IVINP-IVINN) Threshold V(IVINP-IVINN) Threshold vs Temperature vs VIVINP IVINMON Voltage vs Temperature
56 52.0 1.04 VIVINP = 12V 54 51.5 1.03 V(IVINP-VINN) = 50mV 51.0 1.02 52 VIVINP = 60V (mV) (mV) 50.5 1.01 50 (V) V - IVINN) IVINP = 3V 50.0 1.00 48 - IVINN) 49.5 V IVINMON 0.99 V (IVINP 46 V (IVINP 49.0 0.98 44 48.5 0.97 42 48.0 0.96 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIVINP (V) TEMPERATURE (°C) 37911 G13 37911 G14 37911 G15
FB Regulation Voltage SHORT Threshold V(IVINP-IVINN) Threshold vs VFB vs Temperature vs Temperature
60 1.24 0.500 1.23 50 0.475 1.22 0.450 40 (mV) 1.21 0.425 RISING 30 (V) 1.20 0.400 V FB FALLING 1.19 FB VOLTAGE (V) 0.375 V (IVINP-IVINSN) 20 1.18 0.350 10 VIN = 60V 1.17 VIN = 12V 0.325 VIN = 4.7V 0 1.16 0.300 1.17 1.18 1.19 1.20 1.21 1.22 1.23 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 VFB (V) TEMPERATURE (°C) TEMPERATURE (°C) 37911 G16 37911 G17 37911 G18 37911fb 6 For more information www.linear.com/LT3791-1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts