100W Isolated DC-DC Converter for Solar Remote Monitoring System Auxiliary Power | MDB100-18S12
MDB100-18S12
100W Isolated DC-DC Converter for Solar Remote Monitoring System Auxiliary Power
The MDB100-18S12 is a reliable 100W isolated DC-DC converter designed to provide stable auxiliary power for solar remote monitoring systems, PV data acquisition equipment, RTU terminals, environmental sensors and outdoor communication devices.
With a wide 9–36VDC input range, the converter accepts unstable battery voltage conditions caused by charging, discharging, sunlight variation and temperature changes, while delivering a regulated 12VDC/8.33A output for sensitive monitoring electronics.
Designed for remote and unattended installations, the MDB100-18S12 features galvanic isolation, natural cooling and comprehensive protection functions to improve system reliability in outdoor environments.
The isolated architecture helps reduce electrical interference between battery systems and sensitive control electronics, supporting long-term stable operation for solar monitoring and remote communication applications.
Key Features
100W isolated DC-DC converter
Wide 9–36VDC input range
Regulated 12VDC / 8.33A output
Input-to-output galvanic isolation
Reliable operation for outdoor environments
Natural cooling design
UVP / OVP / OCP / SCP / OTP protection
OEM & ODM customization available
I. MODELS LIST
Single Channels Output
Model | Input Voltage (VDC) | Input Voltage Range (VDC) | Output voltage (VDC) | Output Current(A) | Output Power(W) | Ripple And Noise(mv) | Efficiency (Typ) |
MDB100-18S12 | 18VDC | 9-36VDC | 12VDC | 8.33A | 100W | 120 | 83% |
Only the typical models are listed. If you need another models, please inform the power,Input and output voltage,then feel free to call us.
II. FEATURES
1 | High and low voltage input for option |
2 | Good heat dissipation with beautiful appearance |
3 | Natural cooling |
Condition: All specifications are tested under the room temperature 25 ℃, Normal input voltage and Pure Negative Normal Load
III. INPUT CHARACTERISTIC
Rated value(VDC) | Voltage Range(VDC) |
18VDC | 9-36VDC |
IV. OUTPUT CHARACTERISTIC
Parameter | Value |
Power | 100W |
Output Voltage | 12VDC |
Output Current | 8.33A |
Line Regulation | ±0.5% |
Load Regulation | ±0.5% |
Voltage Set-point Accuracy | ±2% |
Output Current Limiting | 120%(Typ) |
V. PROTECTIVE CHARACTERISTIC
1 | Input under voltage protection |
2 | Input over voltage protection |
3 | Over temperature protection |
4 | Output over current protection |
5 | Output short circuit protection |
GENERAL CHARACTERISTIC
Parameter | Value |
Switching Frequency | 100-200KHz |
lsolation Resitstance | 200MΩ |
lsolation Voltage
Parameter | Value |
Input-Output | >1500VDC |
Input-Case | >1050VDC |
Output-Case | >500VDC |
Environmental Characteristics
Parameter | Value | |
Case Temperature | Industry | -25 – +85℃ |
Military l | -40 – +85℃ | |
Storage Temperature | Industry | -45 – +105℃ |
Military | -55 – +105℃ | |
VI. MECHANICAL DRAWING AND PIN DEFINITION
Typical Applications
The MDB100-18S12 is widely used in:
PV Monitoring Systems
RTU Data Acquisition Units
Environmental Monitoring Equipment
Outdoor Sensor Systems
Wireless Communication Terminals
Solar Control Cabinets
Remote Industrial Monitoring Systems
Why Choose MINGZINC?
MINGZINC develops application-oriented isolated DC-DC power solutions for renewable energy, outdoor monitoring and industrial communication systems.
Our engineering capabilities include:
Wide input voltage range design
Galvanic isolation solutions
Customized output voltage and power configurations
Industrial reliability optimization
Natural cooling and thermal design support
OEM/ODM engineering support
Customer Benefits
With the MDB100-18S12, engineers can:
Improve solar monitoring system reliability
Maintain stable power for RTU and sensor devices
Reduce communication interruptions and unexpected reboots
Simplify battery-powered auxiliary power design
Minimize remote-site maintenance requirements
Increase system uptime in unattended locations
Reduce long-term service costs