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LTC3788 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3788 Datasheet(HTML) 2 Page - Linear Technology |
2 / 32 page LTC3788 2 3788fa 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, PGOOD2, 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 ILIM, SS1, SS2, ITH1, ITH2, FREQ, PHASMD, VFB1, VFB2 .......................... –0.3V to INTVCC Operating Junction Temperature Range ... –40°C to 125°C Storage Temperature Range................... –65°C to 125°C (Notes 1, 3) 32 33 GND 31 30 29 28 27 26 25 9 10 11 12 TOP VIEW UH PACKAGE 32-LEAD (5mm 5mm) PLASTIC QFN 13 14 15 16 17 18 19 20 21 22 23 24 8 7 6 5 4 3 2 1 SENSE1– FREQ PHASMD CLKOUT PLLIN/MODE SGND RUN1 RUN2 BOOST1 BG1 VBIAS PGND EXTVCC INTVCC BG2 BOOST2 TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3788EUH#PBF LTC3788EUH#TRPBF 3788 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3788IUH#PBF LTC3788IUH#TRPBF 3788 32-Lead (5mm × 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. Consult LTC Marketing for information on non-standard lead based finish parts. 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 VBIAS = 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). |
Similar Part No. - LTC3788_1 |
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Similar Description - LTC3788_1 |
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