LTC3129-1 absoluTe MaxiMuM raTings(Notes 1, 8) VIN, VOUT Voltages ... –0.3V to 18V VCC, PWM, MPPC, VS1, VS2, SW1 DC Voltage .. –0.3V to (VIN + 0.3V) VS3 Voltages ... –0.3V to 6V SW2 DC Voltage..–0.3V to (VOUT + 0.3V) PGOOD Sink Current ..15mA SW1, SW2 Pulsed (<100ns) Voltage ..–1V to 19V Operating Junction Temperature Range BST1 Voltage ...(SW1 – 0.3V) to (SW1 + 6V) (Notes 2, 5) .. –40°C to 125°C BST2 Voltage ...(SW2 – 0.3V) to (SW2 + 6V) Storage Temperature Range .. –65°C to 150°C RUN, PGOOD Voltage ... –0.3V to 18V MSE Lead Temperature (Soldering, 10 sec) ..300°C pin conFiguraTion TOP VIEW SW1 PGND SW2 BST2 TOP VIEW 16 15 14 13 V 1 CC 16 VIN BST1 1 12 VOUT RUN 2 15 BST1 MPPC 3 14 SW1 VIN 2 11 PGOOD 17 GND 4 17 13 PGND V VS3 5 PGND 12 SW2 CC 3 PGND 10 PWM VS2 6 11 BST2 RUN 4 9 VS1 VS1 7 10 VOUT PWM 8 9 PGOOD 5 6 7 8 MSE PACKAGE 16-LEAD PLASTIC MSOP MPPC GND VS3 VS2 UD PACKAGE TJMAX = 125°C, θJC = 10°C/W, θJA = 40°C/W (NOTE 6) 16-LEAD (3mm × 3mm) PLASTIC QFN EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJC = 7.5°C/W, θJA = 68°C/W (NOTE 6) EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3129EUD-1#PBF LTC3129EUD-1#TRPBF LGDS 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC3129IUD-1#PBF LTC3129IUD-1#TRPBF LGDS 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC3129EMSE-1#PBF LTC3129EMSE-1#TRPBF 31291 16-Lead Plastic MSOP –40°C to 125°C LTC3129IMSE-1#PBF LTC3129IMSE-1#TRPBF 31291 16-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specified 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 specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 31291fc 2 For more information www.linear.com/LTC3129-1