Datasheet LTC3890-3 (Analog Devices) - 2

FabricanteAnalog Devices
Descripción60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
Páginas / Página40 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion …
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absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING*

absoluTe MaxiMuM raTings pin conFiguraTion (Note 1) orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING*

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LTC3890-3
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 65V TOP VIEW Topside Driver Voltages ITH1 1 28 TRACK/SS1 BOOST1, BOOST2 ..–0.3V to 71V V 2 27 FB1 PGOOD1 Switch Voltage (SW1, SW2) ... –5V to 65V SENSE1+ 3 26 TG1 (BOOST1-SW1), (BOOST2-SW2) .. –0.3V to 6V SENSE1– 4 25 SW1 RUN1, RUN2 ... –0.3V to 8V FREQ 5 24 BOOST1 Maximum Current Sourced into Pin PLLIN/MODE 6 23 BG1 from Source >8V ...100µA SGND 7 22 VIN SENSE1+, SENSE2+, SENSE1– RUN1 8 21 PGND SENSE2– Voltages ... –0.3V to 28V RUN2 9 20 EXTVCC PLLIN/MODE, INTV SENSE2– 10 19 INTVCC CC Voltage ... –0.3V to 6V SENSE2+ 11 18 BG2 FREQ Voltage ..–0.3V to INTVCC V 12 17 BOOST2 EXTV FB2 CC ... –0.3V to 14V ITH2 13 16 SW2 ITH1, ITH2, VFB1, VFB2 Voltages ... –0.3V to 6V TRACK/SS2 14 15 TG2 PGOOD1 Voltage ... –0.3V to 6V TRACK/SS1, TRACK/SS2 Voltages ... –0.3V to 6V GN PACKAGE 28-LEAD PLASTIC SSOP Operating Junction Temperature Range (Notes 2, 3) TJMAX = 150°C, θJA = 80°C/W LTC3890E-3, LTC3890I-3 .. –40°C to 125°C LTC3890H-3 .. –40°C to 150°C LTC3890MP-3 .. –55°C to 150°C Storage Temperature Range .. –65°C to 150°C
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3890EGN-3#PBF LTC3890EGN-3#TRPBF LTC3890GN-3 28-Lead Plastic SSOP –40°C to 125°C LTC3890IGN-3#PBF LTC3890IGN-3#TRPBF LTC3890GN-3 28-Lead Plastic SSOP –40°C to 125°C LTC3890HGN-3#PBF LTC3890HGN-3#TRPBF LTC3890GN-3 28-Lead Plastic SSOP –40°C to 150°C LTC3890MPGN-3#PBF LTC3890MPGN-3#TRPBF LTC3890GN-3 28-Lead Plastic SSOP –55°C to 150°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/ 38903f 2 For more information www.linear.com/3890-3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Operation Package Description Typical Application