Datasheet LT3507A (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Triple Monolithic Step-Down Regulator with LDO |
| Páginas / Página | 30 / 2 — absolute MaxiMuM ratings (Note 1). pin conFiguration |
| Formato / tamaño de archivo | PDF / 398 Kb |
| Idioma del documento | Inglés |
absolute MaxiMuM ratings (Note 1). pin conFiguration
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LT3507A
absolute MaxiMuM ratings (Note 1)
VIN Pins .. –0.3V to 36V DRIVE Pin ...5V BOOST Pins ..55V Operating Junction Temperature Range (Notes 2, 5) BOOST Above SW ...25V LT3507AE, LT3507AI ... –40°C to 125°C PGOOD Pins ..36V LT3507AH .. –40°C to 150°C BIAS Pin ..16V Storage Temperature Range .. –65°C to 150°C TRK/SS, VC, FB, RT/SYNC Pins ...6V Lead Temperature (Soldering, 10 sec) RUN, OVLO, UVLO Pins ... VIN1 TSSOP Only ..300°C
pin conFiguration
TOP VIEW TOP VIEW V 1 38 IN3 SW3 SW1 2 37 BOOST3 SW1 SW1 V IN3 V IN3 SW3 SW3 BOOST3 SW1 3 36 VIN2 38 37 36 35 34 33 32 BOOST1 4 35 VIN2 BOOST1 1 31 VIN2 V 5 34 IN1 NC VIN1 2 30 VIN2 V 6 33 SW2 V IN1 IN1 3 29 SW2 V 7 32 BOOST2 V INSW INSW 4 28 SW2 OVLO 8 31 TRK/SS4 OVLO 5 27 BOOST2 UVLO 6 UVLO 9 30 FB4 39 26 TRK/SS4 V V 10 39 29 DRIVE C1 7 GND 25 FB4 C1 GND TRK/SS1 8 24 DRIVE TRK/SS1 11 28 VC2 FB1 9 23 VC2 FB1 12 27 NC PGOOD1 10 22 FB2 PGOOD1 13 26 FB2 PGOOD2 11 21 TRK/SS2 PGOOD2 14 25 TRK/SS2 PGOOD3 12 20 FB3 PGOOD3 15 24 FB3 13 14 15 16 17 18 19 RT/SYNC 16 23 VC3 V C3 RUN1 17 22 TRK/SS3 RUN1 RUN2 RUN3 BIAS RT/SYNC TRK/SS3 RUN2 18 21 BIAS UHF PACKAGE RUN3 19 20 GND 38-LEAD (5mm × 7mm) PLASTIC QFN θ FE PACKAGE JA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 38-LEAD PLASTIC TSSOP θJA = 24°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 3507afa 2 For more information www.linear.com/LT3507A Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Description Typical Applications Related Parts
absolute MaxiMuM ratings (Note 1)
VIN Pins .. –0.3V to 36V DRIVE Pin ...5V BOOST Pins ..55V Operating Junction Temperature Range (Notes 2, 5) BOOST Above SW ...25V LT3507AE, LT3507AI ... –40°C to 125°C PGOOD Pins ..36V LT3507AH .. –40°C to 150°C BIAS Pin ..16V Storage Temperature Range .. –65°C to 150°C TRK/SS, VC, FB, RT/SYNC Pins ...6V Lead Temperature (Soldering, 10 sec) RUN, OVLO, UVLO Pins ... VIN1 TSSOP Only ..300°C
pin conFiguration
TOP VIEW TOP VIEW V 1 38 IN3 SW3 SW1 2 37 BOOST3 SW1 SW1 V IN3 V IN3 SW3 SW3 BOOST3 SW1 3 36 VIN2 38 37 36 35 34 33 32 BOOST1 4 35 VIN2 BOOST1 1 31 VIN2 V 5 34 IN1 NC VIN1 2 30 VIN2 V 6 33 SW2 V IN1 IN1 3 29 SW2 V 7 32 BOOST2 V INSW INSW 4 28 SW2 OVLO 8 31 TRK/SS4 OVLO 5 27 BOOST2 UVLO 6 UVLO 9 30 FB4 39 26 TRK/SS4 V V 10 39 29 DRIVE C1 7 GND 25 FB4 C1 GND TRK/SS1 8 24 DRIVE TRK/SS1 11 28 VC2 FB1 9 23 VC2 FB1 12 27 NC PGOOD1 10 22 FB2 PGOOD1 13 26 FB2 PGOOD2 11 21 TRK/SS2 PGOOD2 14 25 TRK/SS2 PGOOD3 12 20 FB3 PGOOD3 15 24 FB3 13 14 15 16 17 18 19 RT/SYNC 16 23 VC3 V C3 RUN1 17 22 TRK/SS3 RUN1 RUN2 RUN3 BIAS RT/SYNC TRK/SS3 RUN2 18 21 BIAS UHF PACKAGE RUN3 19 20 GND 38-LEAD (5mm × 7mm) PLASTIC QFN θ FE PACKAGE JA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 38-LEAD PLASTIC TSSOP θJA = 24°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB 3507afa 2 For more information www.linear.com/LT3507A Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Description Typical Applications Related Parts