Datasheet LTC3731H (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller |
| Pages / Page | 34 / 2 — (Note 1). LEAD FREE FINISH. TAPE AND REEL. PART MARKING. PACKAGE … |
| File Format / Size | PDF / 442 Kb |
| Document Language | English |
(Note 1). LEAD FREE FINISH. TAPE AND REEL. PART MARKING. PACKAGE DESCRIPTION. TEMPERATURE RANGE
Model Line for this Datasheet
Text Version of Document
LTC3731H absoluTe MaxiMuM raTings
(Note 1)
Topside Driver Voltages (BOOSTN) .. 38V to –0.3V SENSE+, SENSE– Voltages .. 5.5V to –0.3V Switch Voltage (SWN) ... 32V to –5V ITH Voltage ... 2.4V to –0.3V Boosted Driver Voltage (BOOSTN – SWN) .. 7V to –0.3V Operating Junction Peak Output Current <1ms (TGN, BGN) ...5A Temperature Range (Note 2) .. –40°C to 140°C Supply Voltages (VCC, VDR), PGOOD Storage Temperature Range .. –65°C to 150°C Pin Voltage ... 7V to –0.3V Lead Temperature G Package (Soldering, 10sec) ..300°C RUN/SS, PLLFLTR, PLLIN, UVADJ, FCB Voltages ..VCC to –0.3V pin conFiguraTion TOP VIEW V 1 36 CC CLKOUT TOP VIEW PLLIN 2 35 PGOOD PLLFLTR 3 34 BOOST1 TR FCB 4 33 TG1 NC FCB PLLFL PLLIN CLKOUT BOOST1 TG1 SW1 NC 5 32 SW1 32 31 30 29 28 27 26 25 NC 6 31 BOOST2 NC 1 24 BOOST2 NC 2 23 TG2 NC 7 30 TG2 EAIN 3 22 SW2 EAIN 8 29 SW2 SENSE1+ 4 21 VCC SGND 9 28 V 33 DR SENSE1– 5 SGND 20 BG1 SENSE1+ 10 27 BG1 SENSE2+ 6 19 PGND SENSE1– 11 26 PGND SENSE2– 7 18 BG2 SENSE2+ 12 25 BG2 SENSE3– 8 17 BG3 SENSE2– 13 24 BG3 9 10 11 12 13 14 15 16 SENSE3– 14 23 SW3 + I TH TG3 SENSE3+ 15 22 TG3 SW3 RUN/SS UVADJ BOOST3 RUN/SS 16 21 BOOST3 SENSE3 PHASMD/PG I 17 20 TH PHASMD UH PACKAGE UVADJ 18 19 SGND 32-LEAD (5mm s 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W, θJC = 3°C/W G PACKAGE EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB 36-LEAD PLASTIC SSOP PINS 1, 2 AND 32 MUST BE LEFT AS NC TJMAX = 140°C, θJA = 70°C/W, θJC = 25°C/W PINS 5 AND 6 CAN BE GROUNDED OR NC PIN 7 MUST BE LEFT AS NC orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3731HG#PBF LTC3731HG#TRPBF LTC3731HG 36-Lead Plastic SSOP –40°C to 140°C LTC3731HUH#PBF LTC3731HUH#TRPBF 3731 32-Lead (5mm × 5mm) Plastic QFN –40°C to 140°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard 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/ 3731Hfb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
(Note 1)
Topside Driver Voltages (BOOSTN) .. 38V to –0.3V SENSE+, SENSE– Voltages .. 5.5V to –0.3V Switch Voltage (SWN) ... 32V to –5V ITH Voltage ... 2.4V to –0.3V Boosted Driver Voltage (BOOSTN – SWN) .. 7V to –0.3V Operating Junction Peak Output Current <1ms (TGN, BGN) ...5A Temperature Range (Note 2) .. –40°C to 140°C Supply Voltages (VCC, VDR), PGOOD Storage Temperature Range .. –65°C to 150°C Pin Voltage ... 7V to –0.3V Lead Temperature G Package (Soldering, 10sec) ..300°C RUN/SS, PLLFLTR, PLLIN, UVADJ, FCB Voltages ..VCC to –0.3V pin conFiguraTion TOP VIEW V 1 36 CC CLKOUT TOP VIEW PLLIN 2 35 PGOOD PLLFLTR 3 34 BOOST1 TR FCB 4 33 TG1 NC FCB PLLFL PLLIN CLKOUT BOOST1 TG1 SW1 NC 5 32 SW1 32 31 30 29 28 27 26 25 NC 6 31 BOOST2 NC 1 24 BOOST2 NC 2 23 TG2 NC 7 30 TG2 EAIN 3 22 SW2 EAIN 8 29 SW2 SENSE1+ 4 21 VCC SGND 9 28 V 33 DR SENSE1– 5 SGND 20 BG1 SENSE1+ 10 27 BG1 SENSE2+ 6 19 PGND SENSE1– 11 26 PGND SENSE2– 7 18 BG2 SENSE2+ 12 25 BG2 SENSE3– 8 17 BG3 SENSE2– 13 24 BG3 9 10 11 12 13 14 15 16 SENSE3– 14 23 SW3 + I TH TG3 SENSE3+ 15 22 TG3 SW3 RUN/SS UVADJ BOOST3 RUN/SS 16 21 BOOST3 SENSE3 PHASMD/PG I 17 20 TH PHASMD UH PACKAGE UVADJ 18 19 SGND 32-LEAD (5mm s 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W, θJC = 3°C/W G PACKAGE EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB 36-LEAD PLASTIC SSOP PINS 1, 2 AND 32 MUST BE LEFT AS NC TJMAX = 140°C, θJA = 70°C/W, θJC = 25°C/W PINS 5 AND 6 CAN BE GROUNDED OR NC PIN 7 MUST BE LEFT AS NC orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3731HG#PBF LTC3731HG#TRPBF LTC3731HG 36-Lead Plastic SSOP –40°C to 140°C LTC3731HUH#PBF LTC3731HUH#TRPBF 3731 32-Lead (5mm × 5mm) Plastic QFN –40°C to 140°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard 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/ 3731Hfb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
