LTC3833 (6)
The LTC3833 is available from Analog Devices at Xecor. Designed for high-power synchronous step-down DC/DC conversion, the LTC3833 offers wide input voltage range (4.5V to 38V), precise output accuracy (±0.25% at 25°C), and fast transient response. Available in multiple package options, including 20-TSSOP-EP, it is ideal for distributed power systems, point-of-load converters, computing systems, and datacomm systems. Whether used in industrial, automotive, or telecommunications applications, this series ensures efficiency, scalability, and reliable performance for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC3833 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC3833IUDC#PBF | Fast Accurate Step-Down DC/DC Controller with Differential Output Sensing | QFN-20 | 5,294 | |
| LTC3833EFE#TRPBF | A versatile and reliable power management solution for a wide range of applications requiring accurate step-down conversion | TSSOP-20 | 6,969 | |
| LTC3833EFE#PBF | DC/DC Cntrlr Single-OUT Step Down 2200kHz 20-Pin TSSOP EP Tube | TSSOP-20 | 8,647 | |
| LTC3833EUDC#TRPBF | Step-down regulator with high-speed and accurate differential output detection | QFN-20 | 7,377 | |
| LTC3833IFE#PBF | DC/DC Cntrlr Single-OUT Step Down 2200kHz 20-Pin TSSOP EP Tube | TSSOP-20 | 5,329 | |
| LTC3833IUDC#TRPBF | LTC3833IUDC#TRPBF functions as a high-speed buck DC/DC converter with diode integration | QFN-20 | 2,108 |
Key Featrues
Wide VIN Range (4.5V to 38V): This feature allows the LTC3833 to operate across a broad input voltage range, making it highly versatile for various power supply applications. Its ability to handle such a wide range ensures compatibility with multiple power sources, enhancing its usability in diverse environments, from industrial to automotive systems.
Differential Output Sensing: This feature enables accurate voltage regulation by compensating for up to 500mV of line loss. It improves performance in high-current applications by ensuring the output voltage remains stable, even with significant voltage drops across PCB traces or cables, leading to more reliable and efficient power delivery.
Controlled On-Time Valley Current Mode Architecture: This architecture provides both fast transient response and constant frequency switching, independent of input voltage, output voltage, and load current. This results in improved efficiency and stability, especially in dynamic load conditions, making it ideal for computing and datacomm systems.
Frequency Programmable from 200kHz to 2MHz: The ability to adjust the switching frequency allows designers to optimize the LTC3833 for specific applications, balancing efficiency and component size. Higher frequencies enable the use of smaller inductors and capacitors, reducing the overall footprint, while lower frequencies improve efficiency in high-power applications.
Overvoltage Protection and Current Limit Foldback: These safety features protect the system from damage due to overvoltage or excessive current. Overvoltage protection ensures the output voltage does not exceed safe limits, while current limit foldback reduces the risk of thermal damage during short-circuit conditions, enhancing the reliability and longevity of the device in demanding environments.
Differential Output Sensing: This feature enables accurate voltage regulation by compensating for up to 500mV of line loss. It improves performance in high-current applications by ensuring the output voltage remains stable, even with significant voltage drops across PCB traces or cables, leading to more reliable and efficient power delivery.
Controlled On-Time Valley Current Mode Architecture: This architecture provides both fast transient response and constant frequency switching, independent of input voltage, output voltage, and load current. This results in improved efficiency and stability, especially in dynamic load conditions, making it ideal for computing and datacomm systems.
Frequency Programmable from 200kHz to 2MHz: The ability to adjust the switching frequency allows designers to optimize the LTC3833 for specific applications, balancing efficiency and component size. Higher frequencies enable the use of smaller inductors and capacitors, reducing the overall footprint, while lower frequencies improve efficiency in high-power applications.
Overvoltage Protection and Current Limit Foldback: These safety features protect the system from damage due to overvoltage or excessive current. Overvoltage protection ensures the output voltage does not exceed safe limits, while current limit foldback reduces the risk of thermal damage during short-circuit conditions, enhancing the reliability and longevity of the device in demanding environments.
Applications
Distributed Power Systems: The LTC3833 is ideal for managing power distribution in complex systems, such as telecom infrastructure or industrial automation. Its wide VIN range and differential output sensing ensure stable and efficient power delivery, even in environments with significant line losses, making it suitable for high-reliability applications.
Point-of-Load Converters: The LTC3833 excels in point-of-load (POL) applications, where precise voltage regulation is critical. Its fast transient response and controlled on-time valley current mode architecture ensure accurate and stable power delivery to sensitive loads, such as FPGAs, ASICs, or processors, in computing and communication systems.
Computing Systems: The LTC3833 is well-suited for powering high-performance computing systems, including servers and data centers. Its programmable frequency and synchronization capabilities allow for optimized power management, while its overvoltage protection and current limit foldback ensure reliable operation under varying load conditions.
Datacomm Systems: The LTC3833 is an excellent choice for datacommunication systems, such as routers, switches, and network equipment. Its ability to handle wide input voltage ranges and provide precise output regulation makes it ideal for powering high-speed data processing components, ensuring consistent performance in demanding network environments.
Point-of-Load Converters: The LTC3833 excels in point-of-load (POL) applications, where precise voltage regulation is critical. Its fast transient response and controlled on-time valley current mode architecture ensure accurate and stable power delivery to sensitive loads, such as FPGAs, ASICs, or processors, in computing and communication systems.
Computing Systems: The LTC3833 is well-suited for powering high-performance computing systems, including servers and data centers. Its programmable frequency and synchronization capabilities allow for optimized power management, while its overvoltage protection and current limit foldback ensure reliable operation under varying load conditions.
Datacomm Systems: The LTC3833 is an excellent choice for datacommunication systems, such as routers, switches, and network equipment. Its ability to handle wide input voltage ranges and provide precise output regulation makes it ideal for powering high-speed data processing components, ensuring consistent performance in demanding network environments.
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