Datasheet Linear Technology LT3973 — Даташит
Производитель | Linear Technology |
Серия | LT3973 |
Понижающий стабилизатор 42 В, 750 мА с током покоя 2,5 мкА и встроенными диодами
Datasheets
Datasheet LT3973, LT3973-3.3, LT3973-5
PDF, 479 Кб, Язык: анг., Файл закачен: 19 сен 2017, Страниц: 24
42V, 750mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes
42V, 750mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes
Выписка из документа
Цены
![]() 35 предложений от 20 поставщиков IC REG BUCK ADJ 0.75A 10DFN / Conv DC-DC 4.2V to 42V Step Down Single-Out 1.21V to 24V 0.75A Automotive 10-Pin... | |||
LT3973EDD#TRPBF Analog Devices | от 121 ₽ | ||
LT3973EDD#PBF Analog Devices | 218 ₽ | ||
LT3973EDD#PBF Analog Devices | от 821 ₽ | ||
LT3973EDD#TRPBF Analog Devices | от 869 ₽ |
Корпус / Упаковка / Маркировка
Параметры
Parameters / Models | LT3973EDD#PBF | LT3973EDD#TRPBF | LT3973EDD-3.3#PBF | LT3973EDD-3.3#TRPBF | LT3973EDD-5#PBF | LT3973EDD-5#TRPBF | LT3973EMSE#PBF | LT3973EMSE#TRPBF | LT3973EMSE-3.3#PBF | LT3973EMSE-3.3#TRPBF | LT3973EMSE-5#PBF | LT3973EMSE-5#TRPBF | LT3973HDD#PBF | LT3973HDD#TRPBF | LT3973HDD-3.3#PBF | LT3973HDD-3.3#TRPBF | LT3973HDD-5#PBF | LT3973HDD-5#TRPBF | LT3973HMSE#PBF | LT3973HMSE#TRPBF | LT3973HMSE-3.3#PBF | LT3973HMSE-3.3#TRPBF | LT3973HMSE-5#PBF | LT3973HMSE-5#TRPBF | LT3973IDD#PBF | LT3973IDD#TRPBF | LT3973IDD-3.3#PBF | LT3973IDD-3.3#TRPBF | LT3973IDD-5#PBF | LT3973IDD-5#TRPBF | LT3973IMSE#PBF | LT3973IMSE#TRPBF | LT3973IMSE-3.3#PBF | LT3973IMSE-3.3#TRPBF | LT3973IMSE-5#PBF | LT3973IMSE-5#TRPBF |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Архитектура | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
Demo Boards | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A | DC1730A |
Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
Экспортный контроль | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет |
Основные особенности | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good | Burst Mode, Resistor Set Frequency, Power Good |
Тактовая частота, kHz | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 |
Frequency Adjust Range | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz |
Integrated Inductor | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет |
Ishutdown, мкА | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Isupply, мА | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 |
Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Monolithic | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да | да |
Количество выходов | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Рабочий диапазон температур, °C | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 125 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 |
Выходной ток, A | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 |
Polyphase | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет |
Switch Current, A | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 |
Synchronous | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет | нет |
Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
Vin Max, В | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 |
Vin Min, В | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
Vout Max, В | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Vout Maximum | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin |
Vout Min, В | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 |
Vref Accuracy Over Temp, % | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Экологический статус
LT3973EDD#PBF | LT3973EDD#TRPBF | LT3973EDD-3.3#PBF | LT3973EDD-3.3#TRPBF | LT3973EDD-5#PBF | LT3973EDD-5#TRPBF | LT3973EMSE#PBF | LT3973EMSE#TRPBF | LT3973EMSE-3.3#PBF | LT3973EMSE-3.3#TRPBF | LT3973EMSE-5#PBF | LT3973EMSE-5#TRPBF | LT3973HDD#PBF | LT3973HDD#TRPBF | LT3973HDD-3.3#PBF | LT3973HDD-3.3#TRPBF | LT3973HDD-5#PBF | LT3973HDD-5#TRPBF | LT3973HMSE#PBF | LT3973HMSE#TRPBF | LT3973HMSE-3.3#PBF | LT3973HMSE-3.3#TRPBF | LT3973HMSE-5#PBF | LT3973HMSE-5#TRPBF | LT3973IDD#PBF | LT3973IDD#TRPBF | LT3973IDD-3.3#PBF | LT3973IDD-3.3#TRPBF | LT3973IDD-5#PBF | LT3973IDD-5#TRPBF | LT3973IMSE#PBF | LT3973IMSE#TRPBF | LT3973IMSE-3.3#PBF | LT3973IMSE-3.3#TRPBF | LT3973IMSE-5#PBF | LT3973IMSE-5#TRPBF | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RoHS | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим |
Модельный ряд
Серия: LT3973 (36)
- LT3973EDD#PBF LT3973EDD#TRPBF LT3973EDD-3.3#PBF LT3973EDD-3.3#TRPBF LT3973EDD-5#PBF LT3973EDD-5#TRPBF LT3973EMSE#PBF LT3973EMSE#TRPBF LT3973EMSE-3.3#PBF LT3973EMSE-3.3#TRPBF LT3973EMSE-5#PBF LT3973EMSE-5#TRPBF LT3973HDD#PBF LT3973HDD#TRPBF LT3973HDD-3.3#PBF LT3973HDD-3.3#TRPBF LT3973HDD-5#PBF LT3973HDD-5#TRPBF LT3973HMSE#PBF LT3973HMSE#TRPBF LT3973HMSE-3.3#PBF LT3973HMSE-3.3#TRPBF LT3973HMSE-5#PBF LT3973HMSE-5#TRPBF LT3973IDD#PBF LT3973IDD#TRPBF LT3973IDD-3.3#PBF LT3973IDD-3.3#TRPBF LT3973IDD-5#PBF LT3973IDD-5#TRPBF LT3973IMSE#PBF LT3973IMSE#TRPBF LT3973IMSE-3.3#PBF LT3973IMSE-3.3#TRPBF LT3973IMSE-5#PBF LT3973IMSE-5#TRPBF
Классификация производителя
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators