Content last revised on March 6, 2026
VI-26L-IU DC-DC Converter Module: Compact, High-Efficiency Power for Industrial and Communication Systems
As modern systems demand reliable, flexible, and efficient power conversion, the VI-26L-IU DC-DC converter from Vicor emerges as a trusted solution for critical industrial, communications, and transportation applications. Designed for high-density power architectures, this module meets the needs of engineers requiring robust performance in a compact package.
Product Highlights and Technical Specifications
The VI-26L-IU is a member of Vicor’s renowned VI-200 family, known for high-performance DC-DC converters that set the industry standard for reliability and efficiency. Key specifications include:
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Input Voltage Range: 200–400V DC
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Output Voltage: 28V DC
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Output Current: Up to 7.14A
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Output Power: 200W
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Efficiency: Up to 95% (typical, depending on load)
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Package: VI-200 full brick, compact and easy to integrate
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Isolation Voltage: 3000V DC
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Operating Temperature: -40°C to +100°C (baseplate)
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Features: High-efficiency, isolated design; remote sense; output over-voltage and overcurrent protection
These features make the VI-26L-IU a versatile choice for industrial, communications, and transportation applications requiring reliable, high-density power.
Real-World Industry Applications
The VI-26L-IU is widely used in environments where reliability and efficiency are crucial:
1. Industrial Automation & Control
Powers PLCs, control panels, and distributed I/O systems with stable, isolated 5V rails.
2. Telecom & Networking Equipment
Supports routers, switches, and base stations by converting 24V battery or bus voltages to logic-level supplies.
3. Transportation & Rail Systems
Enables robust power conversion for on-board electronics, signaling systems, and communication controllers in buses, trains, and trams.
4. Medical & Instrumentation
Delivers clean, isolated power to sensitive diagnostic equipment and measurement devices.
5. Military & Aerospace
Preferred for rugged, high-reliability applications thanks to its compact size, wide input range, and robust protection features.
Explore more DC-DC converter modules for industrial and telecom applications.
Technical Advantages and Unique Features
- High Power Density: The full-brick VI-200 package delivers up to 100W in a compact footprint, simplifying thermal design and system integration.
- Excellent Line and Load Regulation: Ensures precise output voltage under dynamic load and input conditions.
- Advanced Protection: Built-in safeguards against overvoltage, overcurrent, and under-voltage guarantee reliability in mission-critical deployments.
- Flexible Control: Trim, remote sense, and enable functions provide system designers with maximum flexibility.
- Vicor Quality: VI-200 converters are renowned for their reliability, long field life, and global support.
These strengths reflect trends in high-density, high-efficiency power modules from global leaders such as Delta, TDK-Lambda, and Murata, who are also focusing on integration, programmability, and ruggedness in their latest DC-DC converters.
Comparison with Similar Modules
How does the VI-26L-IU compare to other DC-DC modules?
- TDK-Lambda i6A4W008A033V-001-R: 18–60V in, 5V out, 8A; lower current and power, but similar integration features.
- Murata UWE-5/20-Q48N-C: 18–75V in, 5V out, 20A; similar output, with Murata offering a wider input range but Vicor's module known for higher efficiency and ruggedness.
- Delta PMB-5V100W: 18–36V in, 5V out, 20A; comparable specs, with Vicor’s VI-200 series preferred for long-term reliability and system-level features.
Conclusion & Procurement Guide
The VI-26L-IU DC-DC converter from Vicor is an industry-leading power solution for engineers who demand high reliability, efficiency, and integration in industrial, telecom, and transportation projects. Its advanced features and compact design make it a go-to choice for mission-critical applications worldwide.
