Datasheet LTC3374 (Analog Devices) - 3

LTC3374
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN1-8, FB1-8, EN1-8, VCC, PGOOD_ALL, Operating Junction Temperature Range SYNC, RT, MODE ... –0.3V to 6V (Notes 2, 3) .. –40°C to 150°C TEMP .. –0.3V to Lesser of (VCC + 0.3V) or 6V Storage Temperature Range .. –65°C to 150°C IPGOOD_ALL ...5mA
PIN CONFIGURATION
TOP VIEW TOP VIEW TEMP 1 38 VCC EN2 2 37 MODE EN1 EN2 TEMP V CC MODE EN7 EN8 38 37 36 35 34 33 32 EN1 3 36 EN7 FB1 1 31 FB8 FB1 4 35 EN8 VIN1 2 30 VIN8 V 5 34 IN1 FB8 SW1 3 29 SW8 SW1 6 33 VIN8 SW2 4 28 SW7 SW2 7 32 SW8 VIN2 5 27 VIN7 V 8 31 IN2 SW7 FB2 6 39 26 FB7 FB2 9 30 VIN7 GND FB3 7 25 FB6 FB3 10 39 29 FB7 VIN3 8 24 VIN6 GND V 11 28 IN3 FB6 SW3 9 23 SW6 SW3 12 27 VIN6 SW4 10 22 SW5 SW4 13 26 SW6 VIN4 11 21 VIN5 V 14 25 SW5 FB4 12 20 FB5 IN4 FB4 15 24 V 13 14 15 16 17 18 19 IN5 EN4 16 23 FB5 EN4 EN3 RT EN6 EN5 SYNC EN3 17 22 EN5 PGOOD_ALL 18 21 EN6 PGOOD_ALL UHF PACKAGE SYNC 19 20 RT 38-LEAD (5mm × 7mm) PLASTIC QFN T FE PACKAGE JMAX = 150°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 38-LEAD PLASTIC TSSOP TJMAX = 150°C, θJA = 25°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3374EUHF#PBF LTC3374EUHF#TRPBF 3374 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LTC3374IUHF #PBF LTC3374IUHF#TRPBF 3374 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LTC3374HUHF #PBF LTC3374HUHF#TRPBF 3374 38-Lead (5mm × 7mm) Plastic QFN –40°C to 150°C LTC3374EFE #PBF LTC3374EFE#TRPBF LTC3374FE 38-Lead Plastic TSSOP –40°C to 125°C LTC3374IFE #PBF LTC3374IFE#TRPBF LTC3374FE 38-Lead Plastic TSSOP –40°C to 125°C LTC3374HFE #PBF LTC3374HFE#TRPBF LTC3374FE 38-Lead Plastic TSSOP –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. 3374fc For more information www.linear.com/LTC3374 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Buck Switching Regulators Buck Regulators with Combined Power Stages Power Failure Reporting Via PGOOD_ALL Pin Temperature Monitoring and Overtemperature Protection Programming the Operating Frequency Applications Information Buck Switching Regulator Output Voltage and Feedback Network Buck Regulators Combined Buck Regulators Input and Output Decoupling Capacitor Selection PCB Considerations Package Description Revision History Typical Application Related Parts