Datasheet LTC3871, LTC3871-1 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Bidirectional PolyPhase Synchronous Buck or Boost Controller |
| Pages / Page | 36 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Revision | B |
| File Format / Size | PDF / 1.6 Mb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. PART MARKING*. PACKAGE DESCRIPTION
Model Line for this Datasheet
Text Version of Document
LTC3871/LTC3871-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VHIGH ... –0.3V to 100V Top Side Driver Voltages TOP VIEW + + (BOOST1, BOOST2) ..–0.3V to 111V – Switch Voltage (SW1, SW2) ... –5V to 100V SNSA1 SNS1 SNSD1 PHSMD MODE FREQ SYNC CLKOUT N/C TG1 SW1 BOOST1 48 47 46 45 44 43 42 41 40 39 38 37 Current Sense Voltages (SNSA+, SNS–, SNSD+ Channels 1 and 2) ... –0.3V to 34V, –2V to 34V for < 100μsec SS 1 36 BG1 VFBLOW 2 35 PGND1 (BOOST1-SW1), (BOOST2-SW2) ...–0.3V to 11V ITHLOW 3 34 N/C ITHHIGH 4 33 PGATE EXTVCC ...–0.3V to 34V, VFBHIGH 5 32 N/C –0.8V to 34V for < 100μsec V5 6 31 VHIGH 49 SGND 7 30 N/C GND DRV OVHIGH 8 29 DRV CC ..–0.3V to 11V CC UVHIGH 9 28 SGND VFBHIGH, VFBLOW .. –0.3V to V5 OVLOW 10 27 EXTVCC IMON 11 26 PGND2 MODE, SS Voltages .. –0.3V to V5 SETCUR 12 25 BG2 RUN ... –0.3V to 6V FAULT, SETCUR, Voltages ... –0.3V to V5 13 14 15 16 17 18 19 20 21 22 23 24 ILIM, DRVSET, BUCK Voltages .. –0.3V to V5 + – + T SET N/C TG2 SW2 OV SNS2 BUCK ILIM RUN FAUL HIGH, UVHIGH, OVLOW Voltages .. –0.3V to 6V SNSA2 SNSD2 DRV BOOST2 SYNC, PHSMD Voltages .. –0.3V to V5 LXE PACKAGE Operating Junction Temperature 48-LEAD (7mm × 7mm) PLASTIC LQFP Range (Notes 2, 3) ... –40°C to 150°C TJMAX = 150°C, θJA = 36°C/W Storage Temperature Range .. –65°C to 150°C EXPOSED PAD (PIN 49) IS GND, MUST BE SOLDERED TO PCB DRVCC/EXTVCC Peak Current ...100mA
ORDER INFORMATION LEAD FREE FINISH PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3871ELXE#PBF LTC3871 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871ILXE#PBF LTC3871 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871HLXE#PBF LTC3871 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 150°C LTC3871ELXE-1#PBF LTC3871-1 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871ILXE-1#PBF LTC3871-1 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871HLXE-1#PBF LTC3871-1 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. B 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VHIGH ... –0.3V to 100V Top Side Driver Voltages TOP VIEW + + (BOOST1, BOOST2) ..–0.3V to 111V – Switch Voltage (SW1, SW2) ... –5V to 100V SNSA1 SNS1 SNSD1 PHSMD MODE FREQ SYNC CLKOUT N/C TG1 SW1 BOOST1 48 47 46 45 44 43 42 41 40 39 38 37 Current Sense Voltages (SNSA+, SNS–, SNSD+ Channels 1 and 2) ... –0.3V to 34V, –2V to 34V for < 100μsec SS 1 36 BG1 VFBLOW 2 35 PGND1 (BOOST1-SW1), (BOOST2-SW2) ...–0.3V to 11V ITHLOW 3 34 N/C ITHHIGH 4 33 PGATE EXTVCC ...–0.3V to 34V, VFBHIGH 5 32 N/C –0.8V to 34V for < 100μsec V5 6 31 VHIGH 49 SGND 7 30 N/C GND DRV OVHIGH 8 29 DRV CC ..–0.3V to 11V CC UVHIGH 9 28 SGND VFBHIGH, VFBLOW .. –0.3V to V5 OVLOW 10 27 EXTVCC IMON 11 26 PGND2 MODE, SS Voltages .. –0.3V to V5 SETCUR 12 25 BG2 RUN ... –0.3V to 6V FAULT, SETCUR, Voltages ... –0.3V to V5 13 14 15 16 17 18 19 20 21 22 23 24 ILIM, DRVSET, BUCK Voltages .. –0.3V to V5 + – + T SET N/C TG2 SW2 OV SNS2 BUCK ILIM RUN FAUL HIGH, UVHIGH, OVLOW Voltages .. –0.3V to 6V SNSA2 SNSD2 DRV BOOST2 SYNC, PHSMD Voltages .. –0.3V to V5 LXE PACKAGE Operating Junction Temperature 48-LEAD (7mm × 7mm) PLASTIC LQFP Range (Notes 2, 3) ... –40°C to 150°C TJMAX = 150°C, θJA = 36°C/W Storage Temperature Range .. –65°C to 150°C EXPOSED PAD (PIN 49) IS GND, MUST BE SOLDERED TO PCB DRVCC/EXTVCC Peak Current ...100mA
ORDER INFORMATION LEAD FREE FINISH PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3871ELXE#PBF LTC3871 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871ILXE#PBF LTC3871 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871HLXE#PBF LTC3871 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 150°C LTC3871ELXE-1#PBF LTC3871-1 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871ILXE-1#PBF LTC3871-1 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 125°C LTC3871HLXE-1#PBF LTC3871-1 48-Lead (7mm × 7mm) Plastic LQFP –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. B 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
