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LTC3788EGN-1PBF Datasheet(PDF) 2 Page - Linear Technology |
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LTC3788EGN-1PBF Datasheet(HTML) 2 Page - Linear Technology |
2 / 28 page LTC3788-1 2 37881f PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VBIAS......................................................... –0.3V to 40V BOOST1, BOOST2...................................... –0.3V to 76V SW1, SW2 ................................................. –0.3V to 70V RUN1, RUN2................................................ –0.3V to 8V Maximum Current Sourced into Pin from Source > 8V..............................................100μA PGOOD1, PLLIN/MODE ............................... –0.3V to 6V INTVCC, (BOOST1-SW1, BOOST2-SW2) ...... –0.3V to 6V EXTVCC......................................................... –0.3V to 6V SENSE1+, SENSE1–, SENSE2+, SENSE2–.................................... –0.3V to 40V SENSE1+ – SENSE1–, SENSE2+ – SENSE2–................................. –0.3V to 0.3V SS1, SS2, ITH1, ITH2, FREQ, VFB1, VFB2 ........................................... –0.3V to INTVCC Operating Junction Temperature Range ... –40°C to 125°C Storage Temperature Range................... –65°C to 125°C Lead Temperature (Soldering, 10 seconds) .......... 300°C (Note 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW GN PACKAGE 28-LEAD PLASTIC SSOP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 ITH1 VFB1 SENSE1+ SENSE1– FREQ PLLIN/MODE SGND RUN1 RUN2 SENSE2– SENSE2+ VFB2 ITH2 SS2 SS1 PGOOD1 SW1 TG1 BOOST1 BG1 VBIAS PGND EXTVCC INTVCC BG2 BOOST2 TG2 SW2 TJMAX = 125°C, θJA = 90°C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3788EGN-1#PBF LTC3788EGN-1#TRPBF LTC3788GN-1 28-Lead Plastic SSOP –40°C to 125°C LTC3788IGN-1#PBF LTC3788IGN-1#TRPBF LTC3788GN-1 28-Lead Plastic SSOP –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/ ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop VBIAS Chip Bias Voltage Operating Range 4.5 38 V VFB1,2 Regulated Feedback Voltage ITH = 1.2V (Note 4) l 1.188 1.200 1.212 V IFB1,2 Feedback Current (Note 4) ±5 ±50 nA VREFLNREG Reference Line Voltage Regulation VIN = 6V to 38V 0.002 0.02 %/V The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C, VBIAS = 12V, unless otherwise noted (Note 2). |
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