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LTC3859IFE-PBF Datasheet(PDF) 2 Page - Linear Technology |
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LTC3859IFE-PBF Datasheet(HTML) 2 Page - Linear Technology |
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2 / 40 page  LTC3859 2 3859f ABSOLUTE MAXIMUM RATINGS Bias Input Supply Voltage (VBIAS).............. –0.3V to 40V Buck Top Side Driver Voltages (BOOST1, BOOST2) ............................. –0.3V to 46V Boost Top Side Driver Voltages (BOOST3) ............................................ –0.3V to 76V Buck Switch Voltage (SW1, SW2) ................ –5V to 40V Boost Switch Voltage (SW3) ........................ –5V to 70V INTVCC, (BOOST1–SW1), (BOOST2–SW2), (BOOST3–SW3),.......... –0.3V to 6V RUN1, RUN2, RUN3 .................................... –0.3V to 8V Maximum Current Sourced Into Pin from Source >8V...............................................100μA (Note 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 TOP VIEW FE PACKAGE 38-LEAD PLASTIC TSSOP 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 ITH1 VFB1 SENSE1+ SENSE1– FREQ PLLIN/MODE SS3 SENSE3+ SENSE3– VFB3 ITH3 SGND RUN1 RUN2 RUN3 SENSE2– SENSE2+ VFB2 ITH2 TRACK/SS1 PGOOD1 TG1 SW1 BOOST1 BG1 SW3 TG3 BOOST3 BG3 VBIAS EXTVCC INTVCC BG2 BOOST2 SW2 TG2 OV3 TRACK/SS2 39 PGND TJMAX = 125°C, θJA = 25°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB 13 14 15 16 TOP VIEW 39 PGND UHF PACKAGE 38-LEAD (5mm 7mm) PLASTIC QFN 17 18 19 38 37 36 35 34 33 32 24 25 26 27 28 29 30 31 8 7 6 5 4 3 2 1 FREQ PLLIN/MODE SS3 SENSE3+ SENSE3– VFB3 ITH3 SGND RUN1 RUN2 RUN3 SENSE2– SW1 BOOST1 BG1 SW3 TG3 BOOST3 BG3 VBIAS EXTVCC INTVCC BG2 BOOST2 23 22 21 20 9 10 11 12 TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB PIN CONFIGURATION SENSE1+, SENSE2+, SENSE1– SENSE2– Voltages ..................................... –0.3V to 28V SENSE3+, SENSE3– Voltages..................... –0.3V to 40V PLLIN/MODE, FREQ Voltages ............... –0.3V to INTVCC EXTVCC....................................................... –0.3V to 14V ITH1, ITH2, ITH3, VFB1, VFB2, VFB3 Voltages .... –0.3V to 6V PGOOD1, OV3 Voltages .............................. –0.3V to 6V TRACK/SS1, TRACK/SS2, SS3 Voltages ..... –0.3V to 6V Operating Junction Temperature Range (Notes 2, 3)........................................ –40°C to 125°C Maximum Junction Temperature........................... 125°C Storage Temperature Range................... –65°C to 150°C |
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