LT8390 (16)
The LT8390 is available from Analog Devices at Xecor. Designed for synchronous 4-switch buck-boost DC/DC control, the LT8390 offers high efficiency, wide input voltage range (4V to 60V), and ±1.5% output voltage accuracy. It features proprietary peak-buck/peak-boost current mode control, spread spectrum frequency modulation for low EMI, and seamless transitions between operation regions. Available in a 28-pin TSSOP-EP package, it is ideal for automotive, industrial, and telecom systems, as well as high-power battery-powered applications. Whether used in voltage regulation, battery charging, or supercapacitor charging, this series ensures reliable performance, scalability, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT8390 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT8390EUFD#PBF | Versatile power control component | QFN-28 | 6,330 | |
| LT8390EFE | 390efe ic for controlling positive output voltage in a step-up/step-down fashion | TSSOP-28 | 6,207 | |
| LT8390IUFD#PBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 650kHz 28-Pin QFN EP Tube | QFN-28 | 7,487 | |
| LT8390EFE#PBF | Buck-boost controller for regulating voltage in a wide range of 60V | TSSOP-28 | 6,856 | |
| LT8390HUFD#PBF | The LT8390HUFD#PBF is a sophisticated switching voltage regulator with synchronous capabilities, engineered to handle input voltages of up to 60V | QFN-28 | 7,984 | |
| LT8390EUFD#TRPBF | Powerful buck-boost topology ensures efficient energy transfer | QFN-28 | 5,170 | |
| LT8390EFE#TRPBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 650kHz 28-Pin TSSOP EP T/R | TSSOP-28 | 9,664 | |
| LT8390IUFD#TRPBF | Product description of '60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum' | QFN-28 | 2,534 | |
| LT8390HUFD#WPBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 650kHz 28-Pin QFN EP Tube Automotive AEC-Q100 | QFN EP-28 | 6,509 | |
| LT8390IFE#TRPBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 650kHz 28-Pin TSSOP EP T/R | TSSOP-28 | 9,436 | |
| LT8390HUFD#TRPBF | Four-switch buck-boost converter with 60V synchronous control | QFN-28 | 6,194 | |
| LT8390EUFD#WPBF | Achieve high-performance, low-noise DC-DC conversion with our reliable and efficient buck-boost controller IC | QFN-28 | 9,997 | |
| LT8390EUFD#WTRPBF | High-performance power management for efficient system operatio | QFN-28 | 7,840 | |
| LT8390IFE#PBF | Switching Voltage Regulators 60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum | TSSOP-28 | 2,648 | |
| LT8390HFE#PBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 650kHz 28-Pin TSSOP EP Tube | TSSOP-28 | 2,815 | |
| LT8390JUFD#TRPBF | Upgrade your designs with this high-performance Buck-boost DC-DC converter offering ~V input voltage and robust FN- packaging | QFN-28 | 7,073 |
Key Featrues
Wide Input Voltage Range (4V to 60V): The LT8390 supports a broad input voltage range, making it highly versatile for applications where the input voltage can vary significantly. This feature ensures reliable operation in automotive, industrial, and telecom systems, where voltage fluctuations are common, enhancing system robustness and adaptability.
Synchronous 4-Switch Buck-Boost Architecture: This architecture allows the LT8390 to handle input voltages above, below, or equal to the output voltage, providing seamless transitions between buck and boost modes. This results in high efficiency (up to 98%) and optimal performance in battery-powered systems, reducing energy loss and extending battery life.
Spread Spectrum Frequency Modulation: The LT8390 incorporates spread spectrum frequency modulation, which reduces electromagnetic interference (EMI). This feature is particularly beneficial in sensitive applications like automotive and telecom, where minimizing EMI is critical for compliance with regulatory standards and improving system reliability.
High Output Voltage Accuracy (±1.5%): With a precise output voltage accuracy of ±1.5% for output voltages between 1V and 60V, the LT8390 ensures stable and reliable power delivery. This high accuracy is essential for applications requiring consistent voltage levels, such as precision instrumentation and advanced control systems.
Current Mode Control with Monitor: The LT8390's proprietary peak-buck/peak-boost current mode control scheme, combined with ±3% input or output current accuracy monitoring, allows for precise current regulation. This feature is particularly useful in battery and supercapacitor charging applications, ensuring safe and efficient charging while protecting the battery from overcurrent conditions.
Synchronous 4-Switch Buck-Boost Architecture: This architecture allows the LT8390 to handle input voltages above, below, or equal to the output voltage, providing seamless transitions between buck and boost modes. This results in high efficiency (up to 98%) and optimal performance in battery-powered systems, reducing energy loss and extending battery life.
Spread Spectrum Frequency Modulation: The LT8390 incorporates spread spectrum frequency modulation, which reduces electromagnetic interference (EMI). This feature is particularly beneficial in sensitive applications like automotive and telecom, where minimizing EMI is critical for compliance with regulatory standards and improving system reliability.
High Output Voltage Accuracy (±1.5%): With a precise output voltage accuracy of ±1.5% for output voltages between 1V and 60V, the LT8390 ensures stable and reliable power delivery. This high accuracy is essential for applications requiring consistent voltage levels, such as precision instrumentation and advanced control systems.
Current Mode Control with Monitor: The LT8390's proprietary peak-buck/peak-boost current mode control scheme, combined with ±3% input or output current accuracy monitoring, allows for precise current regulation. This feature is particularly useful in battery and supercapacitor charging applications, ensuring safe and efficient charging while protecting the battery from overcurrent conditions.
Applications
Automotive Power Management: The LT8390 is ideal for managing power in automotive systems, such as infotainment systems, advanced driver-assistance systems (ADAS), and lighting controls. Its wide input voltage range (4V to 60V) and seamless transitions between buck and boost modes ensure stable power delivery, even with fluctuating battery voltages, making it suitable for harsh automotive environments.
Industrial Battery Chargers: The LT8390 is well-suited for industrial battery charging applications, including lithium-ion and lead-acid batteries. Its synchronous 4-switch buck-boost architecture allows efficient charging from input voltages above, below, or equal to the battery voltage, while its ±1.5% output voltage accuracy ensures precise charging control in industrial settings.
Telecom Power Supplies: The LT8390 is an excellent choice for telecom power supplies, where it can regulate voltage for base stations, routers, and other communication equipment. Its spread spectrum frequency modulation reduces electromagnetic interference (EMI), ensuring compliance with stringent telecom standards, while its high efficiency minimizes power loss in critical infrastructure.
Portable Medical Devices: The LT8390 is ideal for portable medical devices, such as patient monitors and diagnostic tools, where reliable power management is critical. Its ability to operate from a wide input voltage range and deliver stable output voltages makes it suitable for battery-powered medical applications, ensuring consistent performance in life-saving equipment.
Industrial Battery Chargers: The LT8390 is well-suited for industrial battery charging applications, including lithium-ion and lead-acid batteries. Its synchronous 4-switch buck-boost architecture allows efficient charging from input voltages above, below, or equal to the battery voltage, while its ±1.5% output voltage accuracy ensures precise charging control in industrial settings.
Telecom Power Supplies: The LT8390 is an excellent choice for telecom power supplies, where it can regulate voltage for base stations, routers, and other communication equipment. Its spread spectrum frequency modulation reduces electromagnetic interference (EMI), ensuring compliance with stringent telecom standards, while its high efficiency minimizes power loss in critical infrastructure.
Portable Medical Devices: The LT8390 is ideal for portable medical devices, such as patient monitors and diagnostic tools, where reliable power management is critical. Its ability to operate from a wide input voltage range and deliver stable output voltages makes it suitable for battery-powered medical applications, ensuring consistent performance in life-saving equipment.
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