inventory:5,618
Infineon Technologies
Module
LT3431 (3)
The LT3431 is available from Analog Devices at Xecor. Designed for high-efficiency step-down voltage regulation, the LT3431 offers wide input voltage range (5.5V to 60V), 3A peak switch current, and a constant 500kHz switching frequency. Available in a thermally enhanced 16-Pin TSSOP package, it is ideal for industrial and automotive power supplies, portable computers, battery chargers, and distributed power systems. Whether used in automotive or industrial applications, this series ensures reliable performance, scalability, and efficiency for demanding power management needs. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT3431 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT3431EFE#TRPBF | High-Efficiency DC-DC Converter for Wide Input Voltage Ran | TSSOP-16 | 8,967 | |
| LT3431EFE#PBF | Conv DC-DC 5.5V to 60V Step Down Single-Out 1.2V to 48V 6.5A 16-Pin TSSOP EP Tube | TSSOP-16 | 7,695 | |
| LT3431IFE#PBF | Conv DC-DC 5.5V to 60V Step Down Single-Out 1.2V to 48V 6.5A 16-Pin TSSOP EP Tube | TSSOP-16 | 5,696 |
Key Featrues
Wide Input Voltage Range (5.5V to 60V): The LT3431 supports a broad input voltage range, making it versatile for various applications, including industrial, automotive, and portable devices. This feature ensures compatibility with different power sources, enhancing its usability in diverse environments.
High Efficiency 3A Switch with 0.1Ω On-Resistance: The integrated 3A switch with low on-resistance minimizes power loss and improves efficiency, especially in high-current applications. This results in better thermal performance and longer battery life in portable devices.
Constant 500kHz Switching Frequency: The fixed switching frequency simplifies filter design and reduces electromagnetic interference (EMI). This feature is particularly beneficial in noise-sensitive applications, ensuring stable and reliable operation.
Low Shutdown Current (30µA): The LT3431's low shutdown current significantly reduces power consumption when the device is in standby mode. This is crucial for battery-powered applications, extending the operational life of the device.
Cycle-by-Cycle Current Limiting: This feature provides robust protection against overcurrent conditions, enhancing the reliability and safety of the power supply. It ensures the regulator can handle transient loads without damage, making it suitable for demanding industrial and automotive environments.
High Efficiency 3A Switch with 0.1Ω On-Resistance: The integrated 3A switch with low on-resistance minimizes power loss and improves efficiency, especially in high-current applications. This results in better thermal performance and longer battery life in portable devices.
Constant 500kHz Switching Frequency: The fixed switching frequency simplifies filter design and reduces electromagnetic interference (EMI). This feature is particularly beneficial in noise-sensitive applications, ensuring stable and reliable operation.
Low Shutdown Current (30µA): The LT3431's low shutdown current significantly reduces power consumption when the device is in standby mode. This is crucial for battery-powered applications, extending the operational life of the device.
Cycle-by-Cycle Current Limiting: This feature provides robust protection against overcurrent conditions, enhancing the reliability and safety of the power supply. It ensures the regulator can handle transient loads without damage, making it suitable for demanding industrial and automotive environments.
Applications
Industrial Power Supply: The LT3431 is ideal for industrial power supply applications, providing a stable and adjustable output voltage from 1.2V to 48V. Its wide input voltage range (5.5V to 60V) and high efficiency make it suitable for powering industrial equipment, PLCs, and motor control systems in harsh environments.
Automotive Power Management: The LT3431 is well-suited for automotive power management systems, offering reliable performance in a compact 16-pin TSSOP package. Its ability to handle input voltages up to 60V and deliver up to 3A of output current makes it ideal for powering infotainment systems, sensors, and other automotive electronics.
Portable Device Charging: The LT3431 is perfect for portable device charging applications, such as battery chargers for laptops, tablets, and smartphones. Its high efficiency and low quiescent current ensure minimal power loss, while its adjustable output voltage allows for compatibility with a wide range of devices.
Distributed Power Systems: The LT3431 is an excellent choice for distributed power systems, where it can be used to step down high input voltages to lower levels required by various subsystems. Its constant 500kHz switching frequency and cycle-by-cycle current limiting ensure stable and reliable operation in multi-rail power architectures.
Automotive Power Management: The LT3431 is well-suited for automotive power management systems, offering reliable performance in a compact 16-pin TSSOP package. Its ability to handle input voltages up to 60V and deliver up to 3A of output current makes it ideal for powering infotainment systems, sensors, and other automotive electronics.
Portable Device Charging: The LT3431 is perfect for portable device charging applications, such as battery chargers for laptops, tablets, and smartphones. Its high efficiency and low quiescent current ensure minimal power loss, while its adjustable output voltage allows for compatibility with a wide range of devices.
Distributed Power Systems: The LT3431 is an excellent choice for distributed power systems, where it can be used to step down high input voltages to lower levels required by various subsystems. Its constant 500kHz switching frequency and cycle-by-cycle current limiting ensure stable and reliable operation in multi-rail power architectures.