inventory:7,978
Diodes Incorporated
SOIC-8
LTC3858-1 (5)
The LTC3858-1 is available from Analog Devices at Xecor. Designed for dual 2-phase synchronous step-down DC-DC control, the LTC3858-1 offers low operating IQ (170µA), a wide input voltage range (4V to 38V), and out-of-phase operation to reduce input capacitance and noise. Available in 28-pin SSOP and 4mm × 5mm QFN packages, it is ideal for automotive systems, battery-operated digital devices, and distributed DC power systems. Whether used in automotive power management or portable electronics, this series ensures high efficiency, scalability, and robust performance for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC3858-1 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC3858EUFD-1#TRPBF | Dual 2-phase synchronous step-down controller with low IQ | QFN-28 | 4,799 | |
| LTC3858EUFD-1#PBF | DC/DC Cntrlr Dual-OUT Step Down 900kHz 28-Pin QFN EP Tube | QFN-28 | 9,385 | |
| LTC3858IUFD-1#PBF | LTC3858IUFD-1#PBF: Step-down DC-DC Converter, 4V~38V Input Range, QFN-28-EP Package (4x5) | QFN-28 | 6,533 | |
| LTC3858IUFD-1#TRPBF | DC/DC Cntrlr Dual-OUT Step Down 900kHz 28-Pin QFN EP T/R | QFN-28 | 5,454 | |
| LTC3858IGN-1#PBF | DC/DC Cntrlr Dual-OUT Step Down 900kHz 28-Pin SSOP N Tube | SSOP-28 | 8,744 |
Key Featrues
Low Operating IQ (170µA): The LTC3858-1 features a low quiescent current of 170µA when one channel is active, significantly enhancing power efficiency in battery-operated devices and automotive systems. This low current draw extends battery life and reduces energy consumption, making it ideal for power-sensitive applications.
Wide Input Voltage Range (4V to 38V): With an input voltage range of 4V to 38V, the controller is highly versatile and can support a variety of power sources, including automotive batteries and industrial power supplies. This flexibility ensures reliable operation across diverse use cases, from distributed DC power systems to portable electronics.
Out-of-Phase Controllers: The dual controllers operate out of phase, reducing input capacitance requirements and minimizing power supply-induced noise. This feature improves system stability and reduces the need for additional filtering components, simplifying design and lowering costs.
Programmable Fixed Frequency (50kHz to 900kHz): The device allows for programmable switching frequencies between 50kHz and 900kHz, enabling designers to optimize performance for specific applications. This flexibility helps balance efficiency, thermal performance, and component size, catering to both high-power and compact designs.
Output Overvoltage and Short-Circuit Protection: The LTC3858-1 includes built-in overvoltage and short-circuit protection, ensuring robust and reliable operation in harsh environments. These safety features prevent damage to the system and connected components, enhancing the durability and longevity of the end product.
Wide Input Voltage Range (4V to 38V): With an input voltage range of 4V to 38V, the controller is highly versatile and can support a variety of power sources, including automotive batteries and industrial power supplies. This flexibility ensures reliable operation across diverse use cases, from distributed DC power systems to portable electronics.
Out-of-Phase Controllers: The dual controllers operate out of phase, reducing input capacitance requirements and minimizing power supply-induced noise. This feature improves system stability and reduces the need for additional filtering components, simplifying design and lowering costs.
Programmable Fixed Frequency (50kHz to 900kHz): The device allows for programmable switching frequencies between 50kHz and 900kHz, enabling designers to optimize performance for specific applications. This flexibility helps balance efficiency, thermal performance, and component size, catering to both high-power and compact designs.
Output Overvoltage and Short-Circuit Protection: The LTC3858-1 includes built-in overvoltage and short-circuit protection, ensuring robust and reliable operation in harsh environments. These safety features prevent damage to the system and connected components, enhancing the durability and longevity of the end product.
Applications
Automotive Power Management: The LTC3858-1 is ideal for managing power distribution in automotive systems, such as infotainment systems, advanced driver-assistance systems (ADAS), and lighting control. Its wide input voltage range (4V to 38V) and dual-output capability ensure efficient power delivery, even in demanding automotive environments with fluctuating battery voltages.
Battery-Powered Digital Devices: The LTC3858-1 is well-suited for battery-operated digital devices, such as portable medical equipment, handheld test instruments, and IoT devices. Its low operating IQ (170µA) and selectable light-load operation modes (continuous, pulse-skipping, or Burst Mode®) maximize battery life while maintaining high efficiency across a wide range of load conditions.
Distributed DC Power Systems: The LTC3858-1 is an excellent choice for distributed DC power systems in telecommunications, industrial automation, and server applications. Its out-of-phase controllers reduce input capacitance requirements and minimize power supply-induced noise, ensuring stable and reliable power delivery across multiple loads.
High-Performance Computing: The LTC3858-1 is ideal for powering high-performance computing systems, such as GPUs, CPUs, and FPGAs. Its dual 2-phase synchronous step-down architecture and wide output voltage range (0.8V to 24V) provide precise and efficient power management, enabling optimal performance in data centers and high-speed computing environments.
Battery-Powered Digital Devices: The LTC3858-1 is well-suited for battery-operated digital devices, such as portable medical equipment, handheld test instruments, and IoT devices. Its low operating IQ (170µA) and selectable light-load operation modes (continuous, pulse-skipping, or Burst Mode®) maximize battery life while maintaining high efficiency across a wide range of load conditions.
Distributed DC Power Systems: The LTC3858-1 is an excellent choice for distributed DC power systems in telecommunications, industrial automation, and server applications. Its out-of-phase controllers reduce input capacitance requirements and minimize power supply-induced noise, ensuring stable and reliable power delivery across multiple loads.
High-Performance Computing: The LTC3858-1 is ideal for powering high-performance computing systems, such as GPUs, CPUs, and FPGAs. Its dual 2-phase synchronous step-down architecture and wide output voltage range (0.8V to 24V) provide precise and efficient power management, enabling optimal performance in data centers and high-speed computing environments.