Datasheet LTC3874 (Analog Devices) - 2

LTC3874
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN ... −0.3V to 40V BOOST0, BOOST1 .. −0.3V to 46V SW0, SW1 .. −5V to 40V I TH0 LOWDCR FAULT0 FAULT1 TG0 SW0 (BOOST0-SW0), (BOOST1-SW1) ... −0.3V to 6V 28 27 26 25 24 23 I + – + – MODE0 1 22 BOOST0 SENSE0 , ISENSE0 , ISENSE1 , ISENSE1 ... −0.3V to INTVCC I + SENSE0 2 21 BG0 EXTVCC, INTVCC, RUN0, RUN1 .. −0.3V to 6V I – SENSE0 3 20 VIN MODE0, MODE1, ILIM, LOWDCR, RUN0 4 29 19 INTVCC PHASMD, FREQ .. −0.3V to INTVcc GND RUN1 5 18 EXTVCC SYNC, FAULT0, FAULT1, I – TH0, ITH1 ... −0.3V to INTVcc ISENSE1 6 17 BG1 INTV I + 7 16 BOOST1 CC Peak Output Current ..100mA SENSE1 Operating Junction Temperature Range MODE1 8 15 SW1 (Note 2) .. −40°C to 125°C 9 10 11 12 13 14 Storage Temperature Range .. −65°C to 150°C I TH1 FREQ ILIM TG1 SYNC PHASMD UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN θJA = 43°C/W, θJC = 3.4°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3874EUFD#PBF LTC3874EUFD#TRPBF 3874 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3874IUFD#PBF LTC3874IUFD#TRPBF 3874 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°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. 3874fb 2 For more information www.linear.com/LTC3874 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts