Datasheet LT3509 (Analog Devices) - 2

LT3509
absoluTe MaxiMuM raTings (Note 1)
VIN Pin (Note 2) ..60V Storage Temperature Range .. –65°C to 150°C BD Pin ...20V Lead Temperature (Soldering, 10 sec.) BOOST Pins ..60V MSOP Package ...300°C BOOST Pins above SW ...30V RUN/SS, FB, RT, SYNC pins ..6V Operating Junction Temperature Range (Notes 3, 6) LT3509E .. –40°C to 125°C LT3509I ... –40°C to 125°C LT3509H .. –40°C to 150°C
pin conFiguraTion
TOP VIEW DA1 1 14 FB1 TOP VIEW BOOST1 2 13 RUN/SS1 DA1 1 16 FB1 BOOST1 2 15 RUN/SS1 SW1 3 12 BD SW1 3 14 AGND V V 4 13 BD IN 4 15 11 SYNC IN V 5 17 IN 12 SYNC SW2 5 10 RT SW2 6 11 RT BOOST2 6 9 RUN/SS2 BOOST2 7 10 RUN/SS2 DA2 8 9 FB2 DA2 7 8 FB2 MSE PACKAGE 16-LEAD PLASTIC MSOP DE14 PACKAGE 14-LEAD (4mm × 3mm) PLASTIC DFN θ JA = 43°C/W, θJC = 4.3°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB θJA = 43°C/W, θJC = 4.3°C/W EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3509EDE#PBF LT3509EDE#TRPBF 3509 14-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C LT3509IDE#PBF LT3509IDE#TRPBF 3509 14-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C LT3509EMSE#PBF LT3509EMSE#TRPBF 3509 16-Lead Plastic MSOP with Exposed Pad –40°C to 125°C LT3509IMSE#PBF LT3509IMSE#TRPBF 3509 16-Lead Plastic MSOP with Exposed Pad –40°C to 125°C LT3509HMSE#PBF LT3509HMSE#TRPBF 3509 16-Lead Plastic MSOP with Exposed Pad –40°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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 3509fd 2 For more information www.linear.com/LT3509 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Related Parts