LT8490 absoluTe MaxiMuM raTingspin conFiguraTion(Note 1) V TOP VIEW CSP – VCSN, VCSPIN – VCSNIN, VCSPOUT – VCSNOUT ... –0.3V to 0.3V SS, CLKOUT, CSP, CSN Voltage .. –0.3V to 3V DD VC Voltage (Note 2) ... –0.3V to 2.2V 64 IOR 63 CHARGECFG2 62 GND 61 CHARGECFG1 60 NC 59 GND 58 AV 57 FBOR 56 CLKDET 55 GND 54 VINR 53 IIR LDO33, VDD, AVDD Voltage .. –0.3V to 5V RT, FBOUT Voltage ... –0.3V to 5V FBIR 1 52 NC IMON_IN, IMON_OUT Voltage .. –0.3V to 5V FAULT 2 51 STATUS TEMPSENSE 3 50 IOW SYNC Voltage .. –0.3V to 5.5V VDD 4 49 SWENO INTV FBOW 5 48 ECON CC, GATEVCC Voltage ... –0.3V to 7V FBIW 6 VBOOST1 – VSW1, VBOOST2 – VSW2 .. –0.3V to 7V INTVCC 7 46 VIN SWEN, MODE Voltage ... –0.3V to 7V SWEN 8 45 CSPIN SRVO_FBIN, SRVO_FBOUT Voltage ... –0.3V to 30V MODE 9 44 CSNIN IMON_IN 10 65 SRVO_I N, SRVO_IOUT Voltage ... –0.3V to 30V GND SHDN 11 42 CSPOUT FBIN, SHDN Voltage ... –0.3V to 30V CSN 12 41 CSNOUT CSP 13 40 EXTVCC CSNIN, CSPIN, CSPOUT, CSNOUT Voltage .. –0.3V to 80V LDO33 14 V FBIN 15 38 SRVO_FBOUT IN, EXTVCC Voltage .. –0.3V to 80V FBOUT 16 37 SRVO_IOUT SW1, SW2 Voltage ...81V (Note 5) IMON_OUT 17 36 SRVO_IIN BOOST1, BOOST2 Voltage .. –0.3V to 87V VC 18 35 SRVO_FBIN SS 19 BG1, BG2, TG1, TG2 ... (Note 4) CLKOUT 20 33 BOOST1 IOW, ECON, CLKDET Voltage ... –0.3V to VDD + 0.5V SWENO, STATUS Voltage .. –0.3V to V DD + 0.5V 24 FBOW, FBIW, FAULT Voltage .. –0.3V to V RT 22 CC DD + 0.5V TG2 28 SYNC 21 BG1 23 BG2 25 SW2 29 SW1 31 TG1 32 VINR, FBOR, IIR, IOR Voltage ... –0.3V to V BOOST2 27 DD + 0.5V GATEV TEMPSENSE Voltage... –0.3V to VDD + 0.5V UKJ PACKAGE CHARGECFG2, 64-LEAD (7mm × 11mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W CHARGECFG1 Voltage ... –0.3V to VDD + 0.5V EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range LT8490E (Notes 1, 3) ... –40°C to 125°C LT8490I (Notes 1, 3) .. –40°C to 125°C Storage Temperature Range ... –65°C to 150°C orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT8490EUKJ#PBF LT8490EUKJ#TRPBF LT8490UKJ 64-Lead (7mm × 11mm) Plastic QFN –40°C to 125°C LT8490IUKJ#PBF LT8490IUKJ#TRPBF LT8490UKJ 64-Lead (7mm × 11mm) 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. 8490fa 2 For more information www.linear.com/LT8490 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 Package Description Revision History Typical Application Related Parts
