LTC3736-2 ABSOLUTE MAXIMUM RATINGS (Note 1) Input Supply Voltage (VIN) .. –0.3V to 10V PGOOD .. –0.3V to 10V PLLLPF, RUN/SS, SYNC/FCB, TG1, TG2, BG1, BG2 Peak Output Current (<10μs) .. 1A TRACK, SENSE1+, SENSE2+, Operating Temperature Range (Note 2) .. –40°C to 85°C IPRG1, IPRG2 Voltages ... –0.3V to (VIN + 0.3V) Storage Temperature Range ... –65°C to 125°C VFB1, VFB2, ITH1, ITH2 Voltages ... –0.3V to 2.4V Junction Temperature (Note 3) .. 125°C SW1, SW2 Voltages ... –2V to VIN + 1V or 10V Max Lead Temperature (Soldering, 10 sec) (LTC3736EGN-2) ... 300°C PIN CONFIGURATION TOP VIEW TOP VIEW + SW1 1 24 SENSE1+ FB1 IPRG1 2 23 PGND V IPRG1 SW1 SENSE1 PGND BG1 24 23 22 21 20 19 V 3 22 FB1 BG1 I 4 21 ITH1 1 18 SYNC/FCB TH1 SYNC/FCB IPRG2 2 17 TG1 IPRG2 5 20 TG1 PLLLPF 3 16 PGND PLLLPF 6 19 PGND 25 SGND 4 15 TG2 SGND 7 18 TG2 VIN 5 14 RUN/SS V 8 17 IN RUN/SS TRACK 6 13 BG2 TRACK 9 16 BG2 7 8 9 10 11 12 V 10 15 FB2 PGND + I 11 14 FB2 TH2 SENSE2+ V I TH2 SW2 PGND PGOOD 12 13 SW2 PGOOD SENSE2 UF PACKAGE GN PACKAGE 24-LEAD (4mm × 4mm) PLASTIC QFN 24-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 37°C/W TJMAX = 125°C, θJA = 130°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3736-2EGN#PBF LTC3736-2EGN#TRPBF 24-Lead Plastic SSOP –40°C to 85°C LTC3736-2EUF#PBF LTC3736-2EUF#TRPBF 37362 24-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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/ 37362fb 2