Datasheet LT3518 (Analog Devices) - 2

LT3518
absolute MaxiMuM ratings (Note 1)
VIN, SHDN, PWM, TGEN (Note 3) ...40V Storage Temperature Range SW, ISP, ISN, TG ...45V QFN .. –65°C to 150°C TG Pin Below ISP Pin ..10V TSSOP ... –65°C to 150°C FB, SYNC, SS, CTRL ...6V Lead Temperature (Soldering, 10 sec) VC, RT, VREF ..3V TSSOP ..300°C Operating Junction Temperature Range (Notes 2, 4) LT3518E ... –40°C to 125°C LT3518I .. –40°C to 125°C LT3518H ..–40°C to 150°C
pin conFiguration
TOP VIEW TOP VIEW TG ISP ISN TGEN VIN 1 16 SW 16 15 14 13 SHDN 2 15 SW SW 1 12 FB VREF 3 14 TG SW 2 11 VC 17 RT 4 13 ISP 17 VIN 3 10 CTRL SYNC 5 GND 12 ISN SHDN 4 9 PWM SS 6 11 TGEN 5 6 7 8 PWM 7 10 FB SS V REF RT SYNC CTRL 8 9 VC UF PACKAGE 16-LEAD (4mm × 4mm) PLASTIC QFN FE PACKAGE 16-LEAD PLASTIC TSSOP T JMAX = 150°C, θJA = 36°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TJMAX = 150°C, θJA = 40°C/W, θJC(PAD) = 10°C/W
orDer inForMation http://www.linear.com/product/LT3518#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3518EUF#PBF LT3518EUF#TRPBF 3518 16-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3518IUF#PBF LT3518IUF#TRPBF 3518 16-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3518HUF#PBF LT3518HUF#TPBF 3518 16-Lead (4mm × 4mm) Plastic QFN –40°C to 150°C LT3518EFE#PBF LT3518EFE#TRPBF 3518FE 16-Lead Plastic TSSOP –40°C to 125°C LT3518IFE#PBF LT3518IFE#TRPBF 3518FE 16-Lead Plastic TSSOP –40°C to 125°C LT3518HFE#PBF LT3518HFE#TRPBF 3518FE 16-Lead Plastic TSSOP –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. Consult LTC Marketing for information on non-standard lead based finish parts. 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. 3518ff 2 For more information www.linear.com/LT3518 Document Outline Features Applications Typical Application Description 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