Datasheet Linear Technology LTC3618 — Даташит
| Производитель | Linear Technology |
| Серия | LTC3618 |
Двойной синхронный понижающий преобразователь 4 МГц, ± 3 А для оконечной нагрузки DDR
Datasheets
Datasheet LTC3618
PDF, 633 Кб, Язык: анг., Файл закачен: 22 сен 2017, Страниц: 24
Dual 4MHz, ±3A Synchronous Buck Converter for DDR Termination
Dual 4MHz, ±3A Synchronous Buck Converter for DDR Termination
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Цены
 Купить LTC3618 на РадиоЛоцман.Цены — от 151 до 4 772 ₽43 предложений от 23 поставщиков LINEAR TECHNOLOGY LTC3618EFE#PBF DC-DC Switching Regulator, Synchronous, Dual, 2.25V to 5.5V in, 5.5V/3A out, 4MHz, TSSOP-24 | |||
| LTC3618IFE#PBF Analog Devices | от 611 ₽ | ||
| LTC3618EFE#TRPBF Analog Devices | 773 ₽ | ||
| LTC3618EUF Analog Devices | 1 197 ₽ | ||
| LTC3618EUF#TRPBF Analog Devices | от 1 215 ₽ | ||
Корпус / Упаковка / Маркировка
| LTC3618EFE#PBF | LTC3618EFE#TRPBF | LTC3618EUF#PBF | LTC3618EUF#TRPBF | LTC3618IFE#PBF | LTC3618IFE#TRPBF | LTC3618IUF#PBF | LTC3618IUF#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Корпус | TSSOP-24 Габаритный чертеж корпуса | TSSOP-24 Габаритный чертеж корпуса | 4x4 QFN-24 Габаритный чертеж корпуса | 4x4 QFN-24 Габаритный чертеж корпуса | TSSOP-24 Габаритный чертеж корпуса | TSSOP-24 Габаритный чертеж корпуса | 4x4 QFN-24 Габаритный чертеж корпуса | 4x4 QFN-24 Габаритный чертеж корпуса |
| Код корпуса | FE | FE | UF | UF | FE | FE | UF | UF |
| Индекс корпуса | 05-08-1771 | 05-08-1771 | 05-08-1697 | 05-08-1697 | 05-08-1771 | 05-08-1771 | 05-08-1697 | 05-08-1697 |
| Количество выводов | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Параметры
| Parameters / Models | LTC3618EFE#PBF | LTC3618EFE#TRPBF | LTC3618EUF#PBF | LTC3618EUF#TRPBF | LTC3618IFE#PBF | LTC3618IFE#TRPBF | LTC3618IUF#PBF | LTC3618IUF#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 |
| Demo Boards | DC1726A | DC1726A | DC1726A | DC1726A | DC1726A | DC1726A | DC1726A | DC1726A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Экспортный контроль | нет | нет | нет | нет | нет | нет | нет | нет |
| Основные особенности | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start | External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start |
| Тактовая частота, kHz | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 |
| Frequency Adjust Range | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz |
| Frequency Sync Range | 400kHz - 4MHz | 400kHz - 4MHz | 400kHz - 4MHz | 400kHz - 4MHz | 400kHz - 4MHz | 400kHz - 4MHz | 400kHz - 4MHz | 400kHz - 4MHz |
| Integrated Inductor | нет | нет | нет | нет | нет | нет | нет | нет |
| Ishutdown, мкА | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, мА | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | да | да | да | да | да | да | да | да |
| Количество выходов | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Рабочий диапазон температур, °C | от 0 до 85 | от 0 до 85 | от 0 до 85 | от 0 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 | от -40 до 85 |
| Выходной ток, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Output Current 2, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Output Current 3, A | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 |
| Polyphase | да | да | да | да | да | да | да | да |
| Switch Current, A | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Switch Current 2, A | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Synchronous | да | да | да | да | да | да | да | да |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 3 | LDO | LDO | LDO | LDO | LDO | LDO | LDO | LDO |
| Vin Max, В | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin Min, В | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 |
| Vout Max, В | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Vout Max 2, В | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 |
| Vout Max 3, В | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 |
| Vout Maximum | 2.5V | 2.5V | 2.5V | 2.5V | 2.5V | 2.5V | 2.5V | 2.5V |
| Vout Min, В | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Vout Min 2, В | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Vout Min 3, В | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Экологический статус
| LTC3618EFE#PBF | LTC3618EFE#TRPBF | LTC3618EUF#PBF | LTC3618EUF#TRPBF | LTC3618IFE#PBF | LTC3618IFE#TRPBF | LTC3618IUF#PBF | LTC3618IUF#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим | Совместим |
Модельный ряд
Серия: LTC3618 (8)
Классификация производителя
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck
- Power Management > Switching Regulator > DDR Memory/Bus Termination
