Datasheet LT3519, LT3519-1, LT3519-2 (Analog Devices) - 2

LT3519/LT3519-1/LT3519-2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, OPENLED (Note 3) ...40V TOP VIEW SHDN/UVLO (Note 4) ...40V GND 1 16 GND OPENLED 2 15 VREF SW, ISP PWM 3 14 CTRL , ISN, ANODE, CATHODE ..45V SHDN/UVLO 4 13 FB PWM, CTRL ..10V V 5 IN 12 ISN SW 6 11 ISP FB, VREF ..3V ANODE 7 10 CATHODE GND 8 9 GND Operating Junction Temperature Range MS PACKAGE (Note 2) .. –40°C to 125°C 16-LEAD PLASTIC MSOP Maximum Junction Temperature... 125°C TJMAX = 125°C, θJA = 130°C/W Storage Temperature Range ... –65°C to 125°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3519EMS#PBF LT3519EMS#TRPBF 3519 16-Lead Plastic MSOP –40°C to 125°C LT3519EMS-1#PBF LT3519EMS-1#TRPBF 35191 16-Lead Plastic MSOP –40°C to 125°C LT3519EMS-2#PBF LT3519EMS-2#TRPBF 35192 16-Lead Plastic MSOP –40°C to 125°C LT3519IMS#PBF LT3519IMS#TRPBF 3519 16-Lead Plastic MSOP –40°C to 125°C LT3519IMS-1#PBF LT3519IMS-1#TRPBF 35191 16-Lead Plastic MSOP –40°C to 125°C LT3519IMS-2#PBF LT3519IMS-2#TRPBF 35192 16-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 12V, SHDN/UVLO = 12V, CTRL = 2V, PWM = 5V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range Continuous Operation (Note 3) 3 30 V VIN Supply Current SHDN/UVLO = 0V (Shutdown) 0.1 1 μA PWM = 0V (Idle) 2.0 3.0 mA PWM > 1.5V, FB = 1.5V (Active, Not Switching) 2.5 3.5 mA Current Sense Voltage (VISP-VISN) ISP = 24V l 240 250 260 mV ISP = 0V 250 mV Zero Current Sense Voltage (VISP-VISN) ISP = 24V, CTRL = 100mV l –15 –6 3 mV Current Sense Voltage Line Regulation 2.5V < ISP < 45V 0.02 %/V 3519fa 2