Datasheet LTC3877 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing |
| 页数 / 页 | 46 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion … |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING
该数据表的模型线
文件文字版本
LTC3877
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... –0.3V to 40V + Topside Driver Voltages – (BOOST1, BOOST2) ... –0.3V to 46V 44 SNS1 43 SNSD1 42 ITEMP 41 VID0 40 VID1 39 VID2 38 VID3 37 VID4 36 VID5 35 VID_EN 34 CHL_SEL Switch Voltages (SW1, SW2) .. –5V to 40V SNSA1+, SNSD1+, SNS1–, SNSA2+, SNSD2+, SNSA1+ 1 33 SW1 SNS2– Voltages ..–0.3V to INTV TK/SS1 2 32 TG1 CC V + 3 31 BOOST1 (BOOST1-SW1), (BOOST2-SW2) Voltages ... –0.3V to 6V OSNS1 V – OSNS1 4 30 BG1 RUN Voltage... –0.3 to 9V DIFFOUT 5 29 VIN 45 VFB1 6 28 INTVCC PGOOD1, PGOOD2, SGND/PGND ITH1 7 27 EXTVCC EXTV ITH2 8 26 BG2 CC Voltages ... –0.3V to 6V TK/SS2 9 25 BOOST2 MODE/PLLIN, FREQ, PHASMD Voltages ... –0.3V to INTV + CC VFB2 10 24 TG2 – CHL_SEL, VID(s), VID_EN Voltages ..–0.3V to INTV VFB2 11 23 SW2 CC TK/SS1, TK/SS2 Voltages ...–0.3V to INTVCC 12 15 17 18 19 I + – 13 + 14 TH1, ITH2, ITEMP, ILIM Voltages .. –0.3V to INTVCC I LIM RUN 16 V + – + SNS2 FREQ FB1, VOSNS1 , VOSNS1 , VFB2 , SNSA2 SNSD2 PHASMD PGOOD1 20 PGOOD2 21 CLKOUT 22 V – FB2 Voltages .. –0.3V to INTVCC MODE/PLLIN INTVCC Peak Output Current ..100mA UK PACKAGE 44-LEAD (7mm × 7mm) PLASTIC QFN Operating Junction Temperature Range TJMAX = 125°C, θJA = 34°C/W, θJC = 3.0°C/W (Note2, Note 3) .. –40°C to 125°C EXPOSED PAD (PIN 45) IS SGND/PGND, MUST BE SOLDERED TO PCB Storage Temperature Range .. –65°C to 125°C
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3877EUK#PBF LTC3877EUK#TRPBF LTC3877UK 44-Lead (7mm × 7mm) Plastic QFN –40°C to 125°C LTC3877IUK#PBF LTC3877IUK#TRPBF LTC3877UK 44-Lead (7mm × 7mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on nonstandard 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/ 3877f 2 For more information www.linear.com/LTC3877
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... –0.3V to 40V + Topside Driver Voltages – (BOOST1, BOOST2) ... –0.3V to 46V 44 SNS1 43 SNSD1 42 ITEMP 41 VID0 40 VID1 39 VID2 38 VID3 37 VID4 36 VID5 35 VID_EN 34 CHL_SEL Switch Voltages (SW1, SW2) .. –5V to 40V SNSA1+, SNSD1+, SNS1–, SNSA2+, SNSD2+, SNSA1+ 1 33 SW1 SNS2– Voltages ..–0.3V to INTV TK/SS1 2 32 TG1 CC V + 3 31 BOOST1 (BOOST1-SW1), (BOOST2-SW2) Voltages ... –0.3V to 6V OSNS1 V – OSNS1 4 30 BG1 RUN Voltage... –0.3 to 9V DIFFOUT 5 29 VIN 45 VFB1 6 28 INTVCC PGOOD1, PGOOD2, SGND/PGND ITH1 7 27 EXTVCC EXTV ITH2 8 26 BG2 CC Voltages ... –0.3V to 6V TK/SS2 9 25 BOOST2 MODE/PLLIN, FREQ, PHASMD Voltages ... –0.3V to INTV + CC VFB2 10 24 TG2 – CHL_SEL, VID(s), VID_EN Voltages ..–0.3V to INTV VFB2 11 23 SW2 CC TK/SS1, TK/SS2 Voltages ...–0.3V to INTVCC 12 15 17 18 19 I + – 13 + 14 TH1, ITH2, ITEMP, ILIM Voltages .. –0.3V to INTVCC I LIM RUN 16 V + – + SNS2 FREQ FB1, VOSNS1 , VOSNS1 , VFB2 , SNSA2 SNSD2 PHASMD PGOOD1 20 PGOOD2 21 CLKOUT 22 V – FB2 Voltages .. –0.3V to INTVCC MODE/PLLIN INTVCC Peak Output Current ..100mA UK PACKAGE 44-LEAD (7mm × 7mm) PLASTIC QFN Operating Junction Temperature Range TJMAX = 125°C, θJA = 34°C/W, θJC = 3.0°C/W (Note2, Note 3) .. –40°C to 125°C EXPOSED PAD (PIN 45) IS SGND/PGND, MUST BE SOLDERED TO PCB Storage Temperature Range .. –65°C to 125°C
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3877EUK#PBF LTC3877EUK#TRPBF LTC3877UK 44-Lead (7mm × 7mm) Plastic QFN –40°C to 125°C LTC3877IUK#PBF LTC3877IUK#TRPBF LTC3877UK 44-Lead (7mm × 7mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on nonstandard 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/ 3877f 2 For more information www.linear.com/LTC3877