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LT8390EFE
+БОМIC REG CTRLR BUCK/BOOST
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ПроизводительКомпания Analog Devices Inc.
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Мфр. Часть #LT8390EFE
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Лист данных LT8390EFE DataSheet
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Пакет TSSOP-28
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В наличии5700
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 60V |
| Frequency-Switching | 190kHz ~ 630kHz |
| DutyCycle(Max) | 95% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 28-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Обзор
Description
Key features of the LT8390EFE include a wide input voltage range, which allows it to operate in a variety of power supply environments. It supports input voltages from 4V to 60V and can deliver output voltages ranging from 0V to 60V. The controller is equipped with analog and PWM dimming capabilities, enabling fine control of LED brightness.
Additionally, the LT8390EFE offers protection features such as overvoltage, overcurrent, and thermal shutdown, enhancing overall reliability. Its synchronous design contributes to high efficiency, while the 4-switch topology ensures smooth transitions between operating modes. These attributes make the LT8390EFE an excellent choice for applications requiring dynamic power management and robust LED control.
Equivalent
1. Texas Instruments LM3429: A high brightness LED driver.
2. Maxim Integrated MAX16834: A high-power LED driver with integrated MOSFET.
3. Infineon ILD2111: A versatile LED driver for high-power applications.
When selecting an equivalent, ensure compatibility with your specific application requirements regarding input voltage, current capability, and additional features.
Features
1. Wide Input Voltage Range: Supports 4.0V to 60V, making it suitable for a variety of power supply inputs.
2. Output Capability: Provides a wide output range up to 60V, capable of delivering power in buck, boost, or buck-boost configurations.
3. High Efficiency: Offers high efficiency across broad load conditions, maximizing power usage and minimizing heat.
4. Adjustable Switching Frequency: Features a programmable frequency from 150kHz to 650kHz to optimize size and efficiency trade-offs.
5. Four-Switch Architecture: Utilizes a four-switch synchronous buck-boost topology for seamless operation through different voltage conditions.
6. Integrated Protection: Includes overvoltage, overcurrent, and thermal shutdown protections to enhance reliability.
7. User-Friendly Interface: Provides an easily configurable design via external components for various applications.
These features make the LT8390EFE ideal for automotive, industrial, and battery-powered systems requiring robust and adaptable power management solutions.
Pinout
Key functions of the LT8390EFE include:
1. Buck-Boost Regulation: It maintains LED current regulation over a wide range of input and output voltages.
2. Synchronous Operation: Ensures high efficiency by using four switches in a synchronous rectification topology.
3. PWM Dimming: Provides PWM dimming capability for LED brightness control.
4. Current Regulation: Delivers accurate LED current control with the help of a high-side current sense.
5. Fault Protection: Features such as overvoltage, overcurrent, and overtemperature protection ensure robust operation.
The LT8390EFE is ideal for applications needing efficient and flexible LED driving capabilities across varying voltage conditions.
Manufacturer
Application
1. LED driver systems, where it provides high efficiency and precise control over LED current.
2. Battery-powered devices, offering efficient power management and extended battery life.
3. Automotive systems, providing reliable power conversion with enhanced thermal performance.
4. Industrial applications requiring robust power supply solutions under varying input and output conditions.
5. Telecommunications and networking equipment, where its wide input voltage range and high efficiency are particularly advantageous.
These features make it suitable for a broad range of power management applications.