Datasheet LT3748 (Analog Devices) - 2

LT3748
absolute MaxiMuM ratings pin conFiguration (Note 1)
VIN, RFB ...100V TOP VIEW V V 1 16 R IN to RFB ..±5V IN FB EN/UVLO ..–0.3V, 100V EN/UVLO 3 14 RREF INTVCC ..VIN + 0.3V, 20V INTV 5 CC 12 TC SS, V GATE 6 11 VC C, TC, RREF..6V SENSE 7 10 SS SENSE ..0.4V GND 8 9 GND Operating Junction Temperature Range (Note 2) MS PACKAGE 16 (12)-LEAD PLASTIC MSOP LT3748E/LT3748I ... –40°C to 125°C TJMAX = 150°C, θJA = 90°C/W LT3748H .. –40°C to 150°C LT3748MP ... –55°C to 150°C Storage Temperature Range ..–65°C to 150°C
orDer inForMation LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3748EMS#PBF LT3748EMS#TRPBF 3748 16-Lead Plastic MSOP –40°C to 125°C LT3748IMS#PBF LT3748IMS#TRPBF 3748 16-Lead Plastic MSOP –40°C to 125°C LT3748HMS#PBF LT3748HMS#TRPBF 3748 16-Lead Plastic MSOP –40°C to 150°C LT3748MPMS#PBF LT3748MPMS#TRPBF 3748 16-Lead Plastic MSOP –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. 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/
e lectrical characteristics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 10V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range l 5 100 V Quiescent Current Not Switching 1.3 1.75 mA VEN/UVLO = 0.2V 0 1 µA VIN Quiescent Current, INTVCC Overdriven VINTVCC = 10V 300 450 µA INTVCC Voltage Range l 4.5 20 V INTVCC Pin Regulation Voltage 6.8 7 7.2 V INTVCC Dropout (VIN – VINTVCC), IINTVCC = 10mA, VIN = 5V 0.7 V INTVCC Undervoltage Lockout Falling Threshold l 3.45 3.6 3.75 V EN/UVLO Pin Threshold EN/UVLO Pin Voltage Rising l 1.19 1.223 1.25 V EN/UVLO Pin Hysteresis Current EN/UVLO = 1V 1.9 2.4 2.9 µA Soft-Start Current VSS = 0.4V (Note 3) 5 µA Soft-Start Threshold 0.65 V Soft-Start Reset Current 3 mA 3748fb 2 For more information www.linear.com/LT3748 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 Package Description Typical Application Related Parts