100W Isolated DC-DC Converter for Outdoor Telecom Cabinet Auxiliary Power
Why Do Outdoor Telecom Cabinets Experience Equipment Resets and Communication Interruptions?
In outdoor telecom infrastructure, engineers are often less concerned about the controller itself than about the reliability of its auxiliary power.
Industrial switches, communication controllers, routers, cooling systems and monitoring devices typically rely on a stable 12V rail. When the 48VDC telecom bus experiences voltage fluctuations, battery switching events, surge disturbances or EMI, auxiliary power instability can lead to equipment resets, communication failures and costly maintenance visits. Modern telecom systems also place strong emphasis on galvanic isolation and EMI immunity for long-term reliability.
Root Cause Analysis
Common engineering challenges include:
Voltage fluctuations on 48VDC telecom buses.
Surge and EMI caused by outdoor environments.
Ground loop noise in shared power systems.
High humidity, dust and temperature variations.
Unattended telecom sites requiring long-term reliability.
Engineering Requirements
Engineers need an auxiliary power solution that provides:
Stable 12V output from a fluctuating 48V input.
Galvanic isolation for safety and noise immunity.
EMI-resistant performance.
Reliable operation in harsh outdoor environments.
Flexible integration into telecom infrastructure.
How MINGZINC Solves the Problem
The MDA100-48S12 delivers a regulated 12VDC output from a wide 36–72VDC input, making it suitable for telecom power architectures.
Its galvanic isolation minimizes electrical interference, the fully potted construction improves durability against moisture and vibration, and the EMI-optimized design supports stable communication performance. Comprehensive protection functions further enhance long-term reliability in outdoor telecom applications.
Why MINGZINC?
MINGZINC develops application-oriented isolated power solutions for industrial and telecom projects.
Our capabilities include:
Custom input/output voltage
30W–20KW customization
Galvanic isolation
Fully potted construction
EMI/EMC optimized design
OEM/ODM engineering support
Customer Value
Engineers can benefit from:
Improved network uptime
Fewer communication interruptions
Reduced maintenance visits
Higher reliability for outdoor telecom cabinets
Faster project integration
Lower overall project risk
Recommended Application
Outdoor Telecom Cabinet Auxiliary Power
Ideal for:
Outdoor Telecom Cabinets
5G Small Cell Stations
Industrial Ethernet Switches
Industrial Routers
Network Monitoring Equipment
Environmental Monitoring Units
