Datasheet LTC3811 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | High Speed Dual, Multiphase Step-Down DC/DC Controller |
| Pages / Page | 48 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| File Format / Size | PDF / 552 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
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
