Datasheet LTC3370 (Analog Devices) - 3

LTC3370
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
V TOP VIEW INA-H, FB1-4, EN1-4, VCC, PGOODALL, RT, PLL/MODE, C1-3 ... –0.3V to 6V TEMP .. –0.3V to Lesser of (VCC + 0.3V) or 6V FB1 EN1 TEMP V CC PLL/MODE RT EN4 FB4 I 32 31 30 29 28 27 26 25 PGOODALL ...5mA Operating Junction Temperature Range VINA 1 24 VINH (Notes 2, 3) .. –40°C to 150°C SWA 2 23 SWH SWB 3 22 SWG Storage Temperature Range .. –65°C to 150°C VINB 4 33 21 VING VINC 5 GND 20 VINF SWC 6 19 SWF SWD 7 18 SWE VIND 8 17 VINE 9 10 11 12 13 14 15 16 FB2 EN2 C1 C2 C3 EN3 FB3 PGOODALL UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 150°C, θJA = 34°C/W, θJC = 3°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion (http://www.linear.com/product/LTC3370#orderinfo) LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3370EUH#PBF LTC3370EUH#TRPBF 3370 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3370IUH#PBF LTC3370IUH#TRPBF 3370 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3370HUH#PBF LTC3370HUH#TRPBF 3370 32-Lead (5mm × 5mm) Plastic QFN –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. 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. 3370fb For more information www.linear.com/LTC3370 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Buck Switching Regulators Buck Regulators with Combined Power Stages Power Failure Reporting Via PGOODALL Pin Temperature Monitoring and Overtemperature Protection Programming the Operating Frequency Applications Information Buck Switching Regulator Output Voltage and Feedback Network Buck Regulators Combined Buck Power Stages Input and Output Decoupling Capacitor Selection PCB Considerations Typical Applications Package Description Typical Application Related Parts