LTC3809 ABSOLUTE MAXIMUM RATINGS (Note 1) Input Supply Voltage (VIN) .. –0.3V to 10V Operating Temperature Range (Note 2)..–40°C to 85°C PLLLPF, RUN, SYNC/MODE, Storage Temperature Range ...–65°C to 125°C IPRG Voltages ... –0.3V to (VIN + 0.3V) Junction Temperature (Note 3) .. 125°C VFB, ITH Voltages .. –0.3V to 2.4V Lead Temperature (Soldering, 10 sec) SW Voltage ... –2V to VIN + 1V (10V Max) MSOP Package ... 300°C TG, BG Peak Output Current (<10μs) ... 1A PIN CONFIGURATION TOP VIEW TOP VIEW PLLLPF 1 10 SW PLLLPF 1 10 SW SYNC/MODE 2 9 VIN SYNC/MODE 2 9 VIN V 3 11 8 TG V 3 11 8 TG FB FB I 4 7 BG I 4 7 BG TH TH RUN 5 6 IPRG RUN 5 6 IPRG MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm s 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 40°C/W EXPOSED PAD (PIN 11) IS GND TJMAX = 125°C, θJA = 43°C/W (MUST BE SOLDERED TO PCB) EXPOSED PAD (PIN 11) IS GND (MUST BE SOLDERED TO PCB) ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3809EDD#PBF LTC3809EDD#TRPBF LBQY 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3809EMSE#PBF LTC3809EMSE#TRPBF LTBQT 10-Lead Plastic MSOP –40°C to 85°C LEAD BASED FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3809EDD LTC3809EDD#TR LBQY 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3809EMSE LTC3809EMSE#TR LTBQT 10-Lead Plastic MSOP –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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/ 3809fc 2