LT8390IUFD#PBF

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LT8390IUFD#PBF

+BOM

IC REG CTRLR BUCK/BOOST 28QFN

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
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 multi-topology LED driver integrated circuit (IC) from Analog Devices (formerly Linear Technology). It is designed for driving high-current LEDs and can operate in buck, boost, buck-boost, or SEPIC modes, making it suitable for a wide range of applications. This flexibility allows it to efficiently manage power conversion across varying input and output voltage conditions.
The IC features a wide input voltage range of 4V to 60V and can deliver up to 150W of power to the LED load. It also includes a range of protections, such as overvoltage, overcurrent, and thermal shutdown, ensuring robust operation under different conditions. The LT8390IUFD#PBF supports PWM dimming and analog dimming, providing precise control over LED brightness.
Housed in a 28-lead TSSOP package, the LT8390IUFD#PBF is suitable for automotive, industrial, and architectural lighting applications. Its versatility, efficiency, and protective features make it an ideal choice for designers needing a reliable LED driving solution.

Equivalent

The LT8390IUFD#PBF is a versatile DC/DC controller by Analog Devices designed for LED drivers and automotive applications. Equivalent products include:
1. LM3492 by Texas Instruments – an integrated LED driver with a high-current boost controller.
2. MAX20096 by Maxim Integrated – a synchronous buck-boost controller for LED applications.
3. TPS92691 by Texas Instruments – a high-power LED controller with similar functionality.
Ensure compatibility with your specific requirements before selecting a replacement.

Features

The LT8390IUFD#PBF is a versatile DC/DC controller from Analog Devices, designed for various power conversion applications. Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage range from 4V to 60V, making it suitable for diverse applications.
2. 4-Switch Buck-Boost Controller: The device allows seamless transitions between buck, boost, and buck-boost modes, optimizing efficiency across varying input voltages.
3. High Efficiency: Designed for high efficiency, it minimizes power loss and improves thermal performance.
4. Flexible Output Voltage: The controller can be configured to support a range of output voltages, catering to different requirements.
5. Constant Frequency Operation: It operates at a constant switching frequency, which can be programmed from 150kHz to 650kHz.
6. Synchronization Capability: The LT8390 can be synchronized to an external clock, enabling precise frequency control.
7. Protection Features: It includes overvoltage, undervoltage, short-circuit, and thermal protection to ensure safety and reliability.
8. Compact Package: Available in a 28-lead TSSOP package with exposed pad for thermal management.
These features make the LT8390IUFD#PBF suitable for applications like automotive, industrial, and LED lighting systems.

Pinout

The LT8390IUFD#PBF is a multi-topology LED driver controller from Analog Devices. It is designed to operate in buck, boost, buck-boost, and SEPIC topologies, making it highly versatile for LED driver applications.
The device comes in a 28-lead plastic 4mm x 5mm QFN package. The pin count is 28. Key functions of the LT8390 include:
1. Wide Input Voltage Range: Supports a wide input voltage range for various applications.
2. LED Driver Control: It efficiently drives LED loads with high precision.
3. I2C Interface: Allows for easy digital communication and control.
4. PWM Dimming: Offers high PWM dimming ratios for smooth LED brightness control.
5. Fault Protection: Features such as overvoltage, overcurrent, and thermal protection enhance reliability.
6. Switching Frequency: Adjustable switching frequency for optimizing efficiency and performance.
These features make the LT8390 suitable for automotive, industrial, and architectural lighting applications.

Manufacturer

The LT8390IUFD#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures a wide range of analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. The company serves a diverse range of industries, including industrial, automotive, consumer electronics, communications, and healthcare. Analog Devices is known for its innovative solutions in areas such as data conversion, signal processing, power management, and radio frequency (RF) technology. It focuses on delivering high-performance products that address the needs of engineers and designers in creating advanced electronic systems.

Application

The LT8390IUFD#PBF is a versatile DC/DC controller ideal for LED lighting applications. It supports buck, boost, buck-boost, and buck-sepic configurations, making it suitable for automotive lighting, industrial lighting, and general-purpose LED drivers. Its wide input voltage range and programmable switching frequency enhance its adaptability in various power supply designs. Additionally, it can be used in battery-powered systems, solar power regulators, and any application requiring efficient power conversion and management. Its robust performance and flexibility cater to demanding environments where reliable power delivery is essential.

Package

The LT8390IUFD#PBF is housed in a 28-lead, thermally enhanced TSSOP (Thin Shrink Small Outline Package) with exposed pad, known as the UFD package. This package type is designed for efficient thermal management and compact size, suitable for applications requiring high power density.

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