Datasheet LTC3897-2 (Analog Devices) - 2

LTC3897-2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, SGEN ... –40V to 76V VBIAS, IS+, IS–, ...76V – + SENSE1+, SENSE2+, SENSE1–, SENSE2– ..65V SGEN TMR SPFB IS IS DG CS CS ... –40V to 76V 44 43 42 40 39 38 37 DGEN 1 36 SG SG, DG (Note 8) ...CS – 0.3V to CS + 10V PLLIN/MODE 2 BOOST1 and BOOST2 ...–0.3V to 71V FREQ 3 34 VIN SW1 and SW2 ... –5V to 65V PHASMD 4 BG1, BG2, TG1, TG2 ... (Note 9) ILIM 5 32 TG1 RUN, DGEN .. –0.3V to 76V SENSE1+ 6 31 SW1 PLLIN/MODE, TMR, V SENSE1– 7 30 BOOST1 FB, SPFB .. –0.3V to 6V 45 DTC 8 INTV GND CC ... –0.3V to 6V DRVUV 9 28 BG1 EXTVCC .. –0.3V to 14V DRVSET 10 27 VBIAS DRVCC, (BOOST1-SW1), (BOOST2-SW2) ..–0.3V to 11V INTVCC 11 26 EXTVCC (SENSE1+-SENSE1–), RUN 12 25 DRVCC (SENSE2+-SENSE2–) ... –0.3V to 0.3V ITH 13 24 BG2 I SENSE2– 14 LIM, SS, ITH, FREQ, PHASMD, DTC ...–0.3V to INTVCC + 0.3V 15 16 17 18 20 21 22 DRVUV, DRVSET ..–0.3V to INTV + CC + 0.3V V FB SS TG2 SW2 Operating Junction Temperature Range SENSE2 CLKOUT BOOST2 (Notes 2, 3) .. –40°C to 150°C UHG PACKAGE Storage Temperature Range .. –65°C to 150°C 44(38)-LEAD (5mm × 8mm) PLASTIC QFN θJA = 36°C/W EXPOSED PAD (PIN 45) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3897EUHG-2#PBF LTC3897EUHG-2#TRPBF 38972 38-Lead (5mm × 8mm) Plastic QFN –40°C to 125°C LTC3897IUHG-2#PBF LTC3897IUHG-2#TRPBF 38972 38-Lead (5mm × 8mm) Plastic QFN –40°C to 125°C LTC3897HUHG-2#PBF LTC3897HUHG-2#TRPBF 38972 38-Lead (5mm × 8mm) Plastic QFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts