Datasheet LTC3853 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Triple Output, Multiphase Synchronous Step-Down Controller |
| 页数 / 页 | 36 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 763 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC3853
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... 28V to –0.3V TOP VIEW Topside Driver Voltages BOOST1, BOOST2, BOOST3 .. 34V to –0.3V Switch Voltage (SW1, SW2, SW3) .. 28V to –5V TK/SS1 I LIM FREQ/PLLFLTR MODE/PLLIN RUN1 RUN2 RUN3 BOOST1 TG1 SW1 INTVCC, RUN1, RUN2, RUN3, PGOOD12, PGOOD3, 40 39 38 37 36 35 34 33 32 31 DRVCC12, EXTVCC, (BOOST1-SW1), TK/SS2 1 30 BG1 (BOOST2-SW2), (BOOST3-SW3) ... 6V to –0.3V TK/SS3 2 29 DRVCC12 SENSE1+, SENSE2+, SENSE1–, SENSE1+ 3 28 BG2 SENSE2– Voltages .. 5.7V to –0.3V SENSE1– 4 27 SW2 SENSE3+, SENSE3–.. 14V to –0.3V SENSE2+ 5 26 TG2 41 SENSE2– 6 25 BOOST2 VFB2 ...300µA Max IFB2 SENSE3+ 7 24 VIN MODE/PLLIN, ILIM,TK/SS1, SENSE3– 8 23 EXTVCC TK/SS2, TK/SS3 Voltages ...INTVCC to –0.3V VFB1 9 22 INTVCC ITH1, ITH2, ITH3, VFB1, VFB3 Voltages ..INTVCC to –0.3V ITH1 10 21 BG3 INTV 11 12 13 14 15 16 17 18 19 20 CC Peak Output Current ..150mA Operating Junction Temperature Range (Note 3) TG3 SGND V FB2 I TH2 V FB3 I TH3 SW3 E-Grade, I-Grade .. –40°C to 125°C PGOOD3 BOOST3 PGOOD12 H-Grade ... –40°C to 150°C UJ PACKAGE MP-Grade .. –55°C to 150°C 40-LEAD (6mm × 6mm) PLASTIC QFN Storage Temperature Range .. –65°C to 150°C TJMAX = 150°C, θJA = 33°C/W EXPOSED PAD (PIN 41) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3853EUJ#PBF LTC3853EUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LTC3853IUJ#PBF LTC3853IUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LTC3853HUJ#PBF LTC3853HUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 150°C LTC3853MPUJ#PBF LTC3853MPUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –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 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/ 3853fc 2 For more information www.linear.com/LTC3853 Document Outline Features Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... 28V to –0.3V TOP VIEW Topside Driver Voltages BOOST1, BOOST2, BOOST3 .. 34V to –0.3V Switch Voltage (SW1, SW2, SW3) .. 28V to –5V TK/SS1 I LIM FREQ/PLLFLTR MODE/PLLIN RUN1 RUN2 RUN3 BOOST1 TG1 SW1 INTVCC, RUN1, RUN2, RUN3, PGOOD12, PGOOD3, 40 39 38 37 36 35 34 33 32 31 DRVCC12, EXTVCC, (BOOST1-SW1), TK/SS2 1 30 BG1 (BOOST2-SW2), (BOOST3-SW3) ... 6V to –0.3V TK/SS3 2 29 DRVCC12 SENSE1+, SENSE2+, SENSE1–, SENSE1+ 3 28 BG2 SENSE2– Voltages .. 5.7V to –0.3V SENSE1– 4 27 SW2 SENSE3+, SENSE3–.. 14V to –0.3V SENSE2+ 5 26 TG2 41 SENSE2– 6 25 BOOST2 VFB2 ...300µA Max IFB2 SENSE3+ 7 24 VIN MODE/PLLIN, ILIM,TK/SS1, SENSE3– 8 23 EXTVCC TK/SS2, TK/SS3 Voltages ...INTVCC to –0.3V VFB1 9 22 INTVCC ITH1, ITH2, ITH3, VFB1, VFB3 Voltages ..INTVCC to –0.3V ITH1 10 21 BG3 INTV 11 12 13 14 15 16 17 18 19 20 CC Peak Output Current ..150mA Operating Junction Temperature Range (Note 3) TG3 SGND V FB2 I TH2 V FB3 I TH3 SW3 E-Grade, I-Grade .. –40°C to 125°C PGOOD3 BOOST3 PGOOD12 H-Grade ... –40°C to 150°C UJ PACKAGE MP-Grade .. –55°C to 150°C 40-LEAD (6mm × 6mm) PLASTIC QFN Storage Temperature Range .. –65°C to 150°C TJMAX = 150°C, θJA = 33°C/W EXPOSED PAD (PIN 41) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3853EUJ#PBF LTC3853EUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LTC3853IUJ#PBF LTC3853IUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LTC3853HUJ#PBF LTC3853HUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 150°C LTC3853MPUJ#PBF LTC3853MPUJ#TRPBF LTC3853UJ 40-Lead (6mm × 6mm) Plastic QFN –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 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/ 3853fc 2 For more information www.linear.com/LTC3853 Document Outline Features Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts