LTC3129 absoluTe MaxiMuM raTings(Notes 1, 8) VIN, VOUT Voltages .. –0.3V to 18V VCC, FB, PWM, MPPC Voltages .. –0.3V to 6V SW1 DC Voltage .. –0.3V to (VIN + 0.3V) PGOOD Sink Current ...15mA SW2 DC Voltage..–0.3V to (VOUT + 0.3V) Operating Junction Temperature Range SW1, SW2 Pulsed (<100ns) Voltage ..–1V to 19V (Notes 2, 5) .. –40°C to 125°C BST1 Voltage ..(SW1 – 0.3V) to (SW1 + 6V) Storage Temperature Range .. –65°C to 150°C BST2 Voltage ..(SW2 – 0.3V) to (SW2 + 6V) MSE Lead Temperature (Soldering, 10 sec) ..300°C RUN, PGOOD Voltages ... –0.3V to 18V 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 FB 5 PGND 12 SW2 CC 3 PGND 10 PWM NC 6 11 BST2 RUN 4 9 NC NC 7 10 VOUT PWM 8 9 PGOOD 5 6 7 8 MSE PACKAGE FB NC 16-LEAD PLASTIC MSOP MPPC GND 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#PBF LTC3129EUD#TRPBF LGDR 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC3129IUD#PBF LTC3129IUD#TRPBF LGDR 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC3129EMSE#PBF LTC3129EMSE#TRPBF 3129 16-Lead Plastic MSOP –40°C to 125°C LTC3129IMSE#PBF LTC3129IMSE#TRPBF 3129 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. 3129fc 2 For more information www.linear.com/LTC3129 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
