Datasheet LTC3811 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | High Speed Dual, Multiphase Step-Down DC/DC Controller |
| Seiten / Seite | 48 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| Dateiformat / Größe | PDF / 552 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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Textversion des Dokuments
LTC3811
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 30V FB1, FB2, RNG1, RNG2, SS/TRACK1, SS/TRACK2, Topside Driver Voltages PLL/LPF, SENSE1+, SENSE1–, SENSE2+, (BOOST1, BOOST2) ... –0.3V to 37V SENSE2– Voltages ... –0.3V to INTVCC Switch Voltage (SW1, SW2) ... –5V to 30V DRVCC LDO RMS Output Current ...100mA BOOST1 – SW1, BOOST2 – SW2 ... –0.3V to 7V OperatingTemperature Range (Note 2)... –40°C to 85°C DRVCC, INTVCC, EXTVCC, RUN1, RUN2, DIFF/IN+, Junction Temperature (Note 3) ... 125°C DIFF/IN–, PHASEMODE, PGOOD1, PGOOD2, Storage Temperature Range ... –65°C to 125°C MODE/SYNC Voltages .. –0.3V to 7V Lead Temperature (Soldering, 10 sec) SSOP Package .. 300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW PGOOD1 1 36 PGOOD2 RUN2 RUN1 PGOOD1 PGOOD2 PLL/LPF MODE/SYNC CLKOUT RUN1 2 35 PLL/LPF 38 37 36 35 34 33 32 RUN2 3 34 MODE/SYNC SENSE1+ 1 31 BOOST1 SENSE1+ 4 33 BOOST1 SENSE1– 2 30 TG1 SENSE1– 5 32 TG1 SS/TRACK1 3 29 SW1 SS/TRACK1 6 31 SW1 COMP1 4 28 BG1 COMP1 7 30 BG1 FB1 5 27 EXTVCC FB1 8 29 EXTVCC SGND 6 26 PGND 39 SGND 9 28 PGND INTV 7 25 CC DRVCC INTV 10 27 CC DRVCC FB2 8 24 VIN FB2 11 26 VIN COMP2 9 23 BG2 COMP2 12 25 BG2 SS/TRACK2 10 22 SW2 SS/TRACK2 13 24 SW2 SENSE2– 11 21 TG2 SENSE2+ 12 20 BOOST2 SENSE2– 14 23 TG2 13 14 15 16 17 18 19 SENSE2+ 15 22 BOOST2 – + DIFF/OUT 16 21 CLKOUT RNG1 RNG2 CSOUT DIFF/IN– 17 20 RNG2 DIFF/OUT DIFF/IN DIFF/IN DIFF/IN+ 18 19 RNG1 UHF PACKAGE PHASEMODE 38-LEAD (5mm × 7mm) PLASTIC QFN G PACKAGE T 36-LEAD PLASTIC SSOP WIDE JMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 100°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3811EUHF#PBF LTC3811EUHF#TRPBF 3811 38-Lead (5mm × 7mm) Plastic QFN –40°C to 85°C LTC3811EG#PBF LTC3811EG#TRPBF LTC3811EG 36-Lead Plastic SSOP Wide –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3811f 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 30V FB1, FB2, RNG1, RNG2, SS/TRACK1, SS/TRACK2, Topside Driver Voltages PLL/LPF, SENSE1+, SENSE1–, SENSE2+, (BOOST1, BOOST2) ... –0.3V to 37V SENSE2– Voltages ... –0.3V to INTVCC Switch Voltage (SW1, SW2) ... –5V to 30V DRVCC LDO RMS Output Current ...100mA BOOST1 – SW1, BOOST2 – SW2 ... –0.3V to 7V OperatingTemperature Range (Note 2)... –40°C to 85°C DRVCC, INTVCC, EXTVCC, RUN1, RUN2, DIFF/IN+, Junction Temperature (Note 3) ... 125°C DIFF/IN–, PHASEMODE, PGOOD1, PGOOD2, Storage Temperature Range ... –65°C to 125°C MODE/SYNC Voltages .. –0.3V to 7V Lead Temperature (Soldering, 10 sec) SSOP Package .. 300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW PGOOD1 1 36 PGOOD2 RUN2 RUN1 PGOOD1 PGOOD2 PLL/LPF MODE/SYNC CLKOUT RUN1 2 35 PLL/LPF 38 37 36 35 34 33 32 RUN2 3 34 MODE/SYNC SENSE1+ 1 31 BOOST1 SENSE1+ 4 33 BOOST1 SENSE1– 2 30 TG1 SENSE1– 5 32 TG1 SS/TRACK1 3 29 SW1 SS/TRACK1 6 31 SW1 COMP1 4 28 BG1 COMP1 7 30 BG1 FB1 5 27 EXTVCC FB1 8 29 EXTVCC SGND 6 26 PGND 39 SGND 9 28 PGND INTV 7 25 CC DRVCC INTV 10 27 CC DRVCC FB2 8 24 VIN FB2 11 26 VIN COMP2 9 23 BG2 COMP2 12 25 BG2 SS/TRACK2 10 22 SW2 SS/TRACK2 13 24 SW2 SENSE2– 11 21 TG2 SENSE2+ 12 20 BOOST2 SENSE2– 14 23 TG2 13 14 15 16 17 18 19 SENSE2+ 15 22 BOOST2 – + DIFF/OUT 16 21 CLKOUT RNG1 RNG2 CSOUT DIFF/IN– 17 20 RNG2 DIFF/OUT DIFF/IN DIFF/IN DIFF/IN+ 18 19 RNG1 UHF PACKAGE PHASEMODE 38-LEAD (5mm × 7mm) PLASTIC QFN G PACKAGE T 36-LEAD PLASTIC SSOP WIDE JMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 100°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3811EUHF#PBF LTC3811EUHF#TRPBF 3811 38-Lead (5mm × 7mm) Plastic QFN –40°C to 85°C LTC3811EG#PBF LTC3811EG#TRPBF LTC3811EG 36-Lead Plastic SSOP Wide –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3811f 2