Datasheet LTC3899 (Analog Devices) - 2

制造商Analog Devices
描述60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with PassThru
页数 / 页38 / 2 — ABSOLUTE MAXIMUM RATINGS (Notes 1, 3). PIN CONFIGURATION
文件格式/大小PDF / 937 Kb
文件语言英语

ABSOLUTE MAXIMUM RATINGS (Notes 1, 3). PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS (Notes 1, 3) PIN CONFIGURATION

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LTC3899
ABSOLUTE MAXIMUM RATINGS (Notes 1, 3)
Bias Input Supply Voltage (VBIAS) .. –0.3V to 65V PLLIN/MODE, FREQ, DRVSET Voltages ... –0.3V to 6V Topside Driver Voltages EXTVCC Voltage ... –0.3V to 14V BOOST1, BOOST2, BOOST3 .. –0.3V to 76V ITH1, ITH2, ITH3, VFB1, VFB2 Voltages ... –0.3V to 6V Switch Voltage (SW1, SW2, SW3) .. –5V to 70V VFB3 Voltage... –0.3V to 65V DRVCC, (BOOST1-SW1), (BOOST2-SW2), VPRG3, Voltage ... –0.3V to 6V (BOOST3-SW3) ...–0.3V to 11V TRACK/SS1, TRACK/SS2, SS3 Voltages .. –0.3V to 6V BG1, BG2, BG3, TG1, TG2, TG3 .. (Note 8) Operating Junction Temperature Range (Note 2) RUN1, RUN2, RUN3 Voltages ... –0.3V to 65V LTC3899E, LTC3899I ... –40°C to 125°C SENSE1+, SENSE2+, SENSE1– LTC3899H .. –40°C to 150°C SENSE2– Voltages ... –0.3V to 65V LTC3899MP ... –55°C to 150°C SENSE3+, SENSE3– Voltages ... –0.3V to 65V Storage Temperature Range .. –65°C to 150°C
PIN CONFIGURATION
TOP VIEW TOP VIEW ITH1 1 38 VPRG3 – + V 2 37 FB1 TRACK/SS1 SENSE1+ 3 36 TG1 SENSE1 SENSE1 V FB1 ITH1 VPRG3 TRACK/SS1 TG1 SENSE1– 4 35 SW1 38 37 36 35 34 33 32 FREQ 1 31 SW1 FREQ 5 34 BOOST1 PLLIN/MODE 2 30 BOOST1 PLLIN/MODE 6 33 BG1 SS3 3 29 BG1 SS3 7 32 SW3 SENSE3+ 4 28 SW3 SENSE3+ 8 31 TG3 SENSE3– 5 27 TG3 SENSE3– 9 30 BOOST3 V 39 FB3 6 39 26 BOOST3 V 10 29 FB3 BG3 GND GND ITH3 7 25 BG3 ITH3 11 28 VBIAS INTVCC 8 24 VBIAS INTV 12 27 CC EXTVCC RUN1 9 23 EXTVCC RUN1 13 26 DRVCC RUN2 10 22 DRVCC RUN2 14 25 BG2 RUN3 11 21 BG2 RUN3 15 24 BOOST2 SENSE2– 12 20 BOOST2 SENSE2– 16 23 SW2 13 14 15 16 17 18 19 + SENSE2+ 17 22 TG2 V FB2 ITH2 VSET TG2 SW2 V 18 21 FB2 TRACK/SS2 SENSE2 DR ITH2 19 20 DRVSET TRACK/SS2 UHF PACKAGE FE PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD PLASTIC TSSOP TJMAX = 150°C, θJA = 34°C/W T EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB JMAX = 150°C, θJA = 25°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 3899fa 2 For more information www.linear.com/LTC3899 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagrams Operation Typical Applications Package Description Typical Application Related Parts