LT3433 (4)
The LT3433 is available from Analog Devices at Xecor. Designed for high voltage step-up/step-down DC/DC conversion, the LT3433 offers automatic step-up and step-down conversion, a wide 4V to 60V input voltage range, and dual internal 500mA switches. Available in a 16-lead thermally enhanced TSSOP package, it is ideal for automotive electronics, wall adapter-powered systems, and battery power voltage buffering. Whether used in 12V automotive systems or other wide input voltage range applications, this series ensures ±1% output voltage accuracy, low current shutdown, and frequency foldback protection for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT3433 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT3433EFE | With its single-output design and flexible voltage range, this converter is suitable for a wide range of electronic devices and systems | SOP-16 | 5,684 | |
| LT3433EFE#PBF | Versatile and efficient power conversion modul | TSSOP-16 | 9,205 | |
| LT3433IFE#TRPBF | Conv DC-DC 4V to 60V Step Down/Step Up Single-Out 3.3V to 20V 0.4A 16-Pin TSSOP EP T/R | TSSOP-16 | 8,460 | |
| LT3433IFE#PBF | TSSOP-16-EP buck-boost converter | TSSOP-16 | 3,496 |
Key Featrues
Automatic Step-Up and Step-Down Conversion: The LT3433 seamlessly switches between step-up and step-down modes, allowing it to handle a wide range of input voltages (4V to 60V). This flexibility makes it ideal for applications like automotive systems, where voltage levels can vary significantly due to load dump or cold crank conditions, ensuring consistent performance.
Wide Input Voltage Range (4V to 60V): With its ability to operate across a broad input voltage range, the LT3433 is highly versatile. This feature enables its use in diverse applications, from 12V automotive systems to battery-powered devices, providing reliable power regulation even in fluctuating voltage environments.
Low No-Load Quiescent Current (100µA): The LT3433 consumes only 100µA of current when no load is present, enhancing energy efficiency in standby or low-power modes. This is particularly beneficial for battery-powered systems, extending battery life and reducing overall power consumption.
High Output Voltage Accuracy (±1%): The LT3433 maintains a precise output voltage with an accuracy of ±1%, ensuring stable and reliable power delivery. This high level of accuracy is critical for sensitive electronics, minimizing the risk of voltage-related malfunctions and improving system reliability.
Frequency Foldback and Current Limit Protection: The LT3433 incorporates frequency foldback and current limit foldback protection mechanisms, which safeguard the device and connected components during overload or short-circuit conditions. This enhances the durability and safety of the system, reducing the risk of damage in high-stress scenarios.
Wide Input Voltage Range (4V to 60V): With its ability to operate across a broad input voltage range, the LT3433 is highly versatile. This feature enables its use in diverse applications, from 12V automotive systems to battery-powered devices, providing reliable power regulation even in fluctuating voltage environments.
Low No-Load Quiescent Current (100µA): The LT3433 consumes only 100µA of current when no load is present, enhancing energy efficiency in standby or low-power modes. This is particularly beneficial for battery-powered systems, extending battery life and reducing overall power consumption.
High Output Voltage Accuracy (±1%): The LT3433 maintains a precise output voltage with an accuracy of ±1%, ensuring stable and reliable power delivery. This high level of accuracy is critical for sensitive electronics, minimizing the risk of voltage-related malfunctions and improving system reliability.
Frequency Foldback and Current Limit Protection: The LT3433 incorporates frequency foldback and current limit foldback protection mechanisms, which safeguard the device and connected components during overload or short-circuit conditions. This enhances the durability and safety of the system, reducing the risk of damage in high-stress scenarios.
Applications
Automotive Voltage Stabilization: The LT3433 is ideal for stabilizing voltage in 12V automotive systems, ensuring reliable operation during load dump and cold crank conditions. Its wide input voltage range (4V to 60V) and automatic step-up/step-down conversion make it suitable for maintaining consistent power delivery in vehicles, even under fluctuating voltage conditions.
Portable Battery-Powered Devices: The LT3433 is perfect for battery-powered systems requiring voltage buffering, such as portable medical devices or handheld instruments. Its ability to operate with a wide input range and low quiescent current (100µA) ensures efficient power management, extending battery life while maintaining stable output voltage.
Industrial Power Supplies: The LT3433 is well-suited for industrial applications where wall adapter-powered systems require robust voltage regulation. Its ±1% output voltage accuracy and dual 500mA internal switches ensure reliable performance in harsh environments, making it ideal for powering control systems, sensors, and communication modules.
Renewable Energy Systems: The LT3433 is an excellent choice for renewable energy applications, such as solar or wind power systems, where input voltages can vary widely. Its step-up/step-down capability and frequency foldback protection ensure stable output voltage, even with fluctuating energy inputs, making it suitable for powering monitoring and control circuits in green energy systems.
Portable Battery-Powered Devices: The LT3433 is perfect for battery-powered systems requiring voltage buffering, such as portable medical devices or handheld instruments. Its ability to operate with a wide input range and low quiescent current (100µA) ensures efficient power management, extending battery life while maintaining stable output voltage.
Industrial Power Supplies: The LT3433 is well-suited for industrial applications where wall adapter-powered systems require robust voltage regulation. Its ±1% output voltage accuracy and dual 500mA internal switches ensure reliable performance in harsh environments, making it ideal for powering control systems, sensors, and communication modules.
Renewable Energy Systems: The LT3433 is an excellent choice for renewable energy applications, such as solar or wind power systems, where input voltages can vary widely. Its step-up/step-down capability and frequency foldback protection ensure stable output voltage, even with fluctuating energy inputs, making it suitable for powering monitoring and control circuits in green energy systems.
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