LT8390IUFD#PBF

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LT8390IUFD#PBF

IC REG CTRLR BUCK/BOOST 28QFN

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배송 준비 24 시간

365 일 보장

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사양

Package Tube
ProductStatus Active
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 (TJ)
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

개요

Description

The LT8390IUFD#PBF is a versatile LED driver IC designed and manufactured by Analog Devices, formerly Linear Technology. It is specifically engineered for high-power LED applications, offering a wide input voltage range and multiple operating modes, including buck, boost, and buck-boost configurations. This flexibility allows it to manage varying input voltages while maintaining a stable output.
Key features of the LT8390IUFD#PBF include its synchronous switching architecture, which improves efficiency by reducing power losses, and its ability to provide PWM dimming for precise brightness control of LEDs. The device also incorporates a wide array of protections, such as overcurrent, overvoltage, and thermal shutdown, ensuring reliable operation in demanding conditions.
The IC is housed in a thermally enhanced 5mm x 5mm QFN package, enabling efficient heat dissipation. Its compact design and high performance make it suitable for applications in automotive lighting, industrial lighting, and general-purpose LED illumination where space and power efficiency are critical.

Features

The LT8390IUFD#PBF is a versatile buck-boost LED driver controller manufactured by Analog Devices (formerly Linear Technology). It is designed to drive high current LEDs in various applications, including automotive and industrial lighting. Key features of the LT8390IUFD#PBF include:
1. Wide Input Voltage Range: Operates from a 4V to 60V input, suitable for automotive and industrial applications with varying input voltage conditions.
2. Buck, Boost, and Buck-Boost Mode: Capable of operating in buck, boost, or buck-boost modes to accommodate input voltages above, below, or equal to the output voltage.
3. High Efficiency: Offers high efficiency over a wide range of input voltages and loads, which is crucial for reducing heat and improving reliability.
4. PWM Dimming: Supports high PWM dimming ratios for LED brightness control, up to 1000:1 dimming ratio.
5. Protection Features: Includes protection mechanisms like overvoltage, overcurrent, and thermal shutdown, enhancing the safety and reliability of the LED system.
6. Constant-Current and Constant-Voltage Regulation: Provides flexibility for driving LEDs with precise current control.
These features make the LT8390IUFD#PBF a robust choice for LED lighting applications requiring adaptive voltage regulation and efficient power conversion.

Package

The LT8390IUFD#PBF is a Buck-Boost LED driver IC from Analog Devices, housed in a 28-lead 4mm x 5mm QFN package. It is designed for high power LED applications, offering a wide input voltage range and delivering constant current to drive LEDs efficiently.

Pinout

The LT8390IUFD#PBF is a 28-pin integrated circuit from Analog Devices, designed for use as a synchronous buck, boost, or buck-boost controller. It is typically used in LED drivers and power supply applications that require a wide input voltage range and efficient power conversion. The device operates with an input voltage range from 4V to 60V and can deliver up to 250W of output power, depending on the external components used in the design.
The LT8390IUFD#PBF features include seamless transition between step-up and step-down modes, programmable switching frequency, spread spectrum frequency modulation to reduce EMI, and robust fault protection features like overvoltage, overcurrent, and thermal shutdown.
In summary, the LT8390IUFD#PBF is a versatile power management IC with a 28-pin configuration, suitable for applications requiring efficient and flexible power conversion.

Manufacturer

The LT8390IUFD#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These components are used in various electronic equipment across numerous industries, including communications, computer technology, industrial, automotive, and consumer electronics. The company is known for its innovation and high-quality products that facilitate the conversion of real-world phenomena like temperature, speed, sound, and light into electrical signals to be used in electronic devices.

Application

The LT8390IUFD#PBF is a versatile LED driver and DC/DC controller used in automotive headlights, industrial lighting, and battery-powered systems. It supports buck, boost, and buck-boost configurations, making it suitable for a wide range of applications requiring high efficiency and flexible voltage regulation. Its wide input voltage range and robust fault protection features make it ideal for demanding environments.

Equivalent

The LT8390IUFD#PBF is a buck-boost DC/DC LED driver from Analog Devices. Equivalent products from other manufacturers might include:
1. Texas Instruments TPS92682-Q1: A synchronous buck-boost LED driver for automotive applications.
2. Microchip Technology MCP16311: A high-efficiency buck-boost DC/DC converter.
3. Maxim Integrated MAX16990: A high-voltage, synchronous buck-boost LED controller.
Ensure to cross-verify specifications like input voltage range, switching frequency, and current output to ensure compatibility.

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EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

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