Datasheet LTC3126 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 42V, 2.5A Synchronous Step-Down Regulator with No-Loss Input PowerPath |
| Pages / Page | 30 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion … |
| File Format / Size | PDF / 2.1 Mb |
| Document Language | English |
absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion http://www.linear.com/product/LTC3126#orderinfo
Model Line for this Datasheet
Text Version of Document
LTC3126
absoluTe MaxiMuM raTings (Note 1)
PVIN1, PVIN2, VIN1, VIN2 ...42V BST2 Pin Above COM2 ...6V EXTVCC ...42V Operating Junction Temperature Range VCC, PVCC ..6V (Notes 2, 4) .. –40°C to 150°C VREF, VSET1, VSET2, FB, RT ..6V Storage Temperature.. –65°C to 150°C PWM/SYNC, DIODE, ENA ...6V Lead Temperature (Soldering, 10 sec) VALID1, VALID2, PGOOD, PRIORITY ..6V TSSOP ..300°C BST1 Pin Above COM1 ...6V
pin conFiguraTion
TOP VIEW TOP VIEW V 1 28 IN2 VIN1 IN1 PWM/SYNC 2 27 PVIN1 VALID1 PWM/SYNC V IN2 V IN1 PV DIODE VALID1 3 26 DIODE 28 27 26 25 24 23 VALID2 1 22 BST1 VALID2 4 25 BST1 V V 5 24 COM1 CC 2 21 COM1 CC PV PV 6 SW CC 3 20 SW 23 CC EXTVCC 4 29 19 PGND EXTV 7 22 CC PGND 29 PGND V PGND SET1 5 18 PGND V 8 21 SET1 PGND VSET2 6 17 SW V 9 20 SET2 SW VREF 7 16 COM2 V 10 19 REF COM2 GND 8 15 BST2 GND 11 18 BST2 9 10 11 12 13 14 FB 12 17 ENA FB RT IN2 ENA RT 13 16 PV PV IN2 PGOOD PGOOD 14 15 PRIORITY PRIORITY UFD PACKAGE FE PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN 28-LEAD PLASTIC TSSOP TJMAX = 150°C, θJA = 34°C/W T EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB JMAX = 150°C, θJA = 30°C/W EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
orDer inForMaTion http://www.linear.com/product/LTC3126#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3126EUFD#PBF LTC3126EUFD#TRPBF 3126 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3126IUFD#PBF LTC3126IUFD#TRPBF 3126 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3126EFE#PBF LTC3126EFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –40°C to 125°C LTC3126IFE#PBF LTC3126IFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –40°C to 125°C LTC3126HFE#PBF LTC3126HFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –40°C to 150°C LTC3126MPFE#PBF LTC3126MPFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 3126f 2 For more information www.linear.com/LTC3126 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Quick Reference Operation Applications Information Typical Applications Package Description Typical Application Related Parts
absoluTe MaxiMuM raTings (Note 1)
PVIN1, PVIN2, VIN1, VIN2 ...42V BST2 Pin Above COM2 ...6V EXTVCC ...42V Operating Junction Temperature Range VCC, PVCC ..6V (Notes 2, 4) .. –40°C to 150°C VREF, VSET1, VSET2, FB, RT ..6V Storage Temperature.. –65°C to 150°C PWM/SYNC, DIODE, ENA ...6V Lead Temperature (Soldering, 10 sec) VALID1, VALID2, PGOOD, PRIORITY ..6V TSSOP ..300°C BST1 Pin Above COM1 ...6V
pin conFiguraTion
TOP VIEW TOP VIEW V 1 28 IN2 VIN1 IN1 PWM/SYNC 2 27 PVIN1 VALID1 PWM/SYNC V IN2 V IN1 PV DIODE VALID1 3 26 DIODE 28 27 26 25 24 23 VALID2 1 22 BST1 VALID2 4 25 BST1 V V 5 24 COM1 CC 2 21 COM1 CC PV PV 6 SW CC 3 20 SW 23 CC EXTVCC 4 29 19 PGND EXTV 7 22 CC PGND 29 PGND V PGND SET1 5 18 PGND V 8 21 SET1 PGND VSET2 6 17 SW V 9 20 SET2 SW VREF 7 16 COM2 V 10 19 REF COM2 GND 8 15 BST2 GND 11 18 BST2 9 10 11 12 13 14 FB 12 17 ENA FB RT IN2 ENA RT 13 16 PV PV IN2 PGOOD PGOOD 14 15 PRIORITY PRIORITY UFD PACKAGE FE PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN 28-LEAD PLASTIC TSSOP TJMAX = 150°C, θJA = 34°C/W T EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB JMAX = 150°C, θJA = 30°C/W EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
orDer inForMaTion http://www.linear.com/product/LTC3126#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3126EUFD#PBF LTC3126EUFD#TRPBF 3126 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3126IUFD#PBF LTC3126IUFD#TRPBF 3126 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3126EFE#PBF LTC3126EFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –40°C to 125°C LTC3126IFE#PBF LTC3126IFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –40°C to 125°C LTC3126HFE#PBF LTC3126HFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –40°C to 150°C LTC3126MPFE#PBF LTC3126MPFE#TRPBF LTC3126FE 28-Lead Plastic TSSOP (4.4mm) –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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 3126f 2 For more information www.linear.com/LTC3126 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Quick Reference Operation Applications Information Typical Applications Package Description Typical Application Related Parts
