We help the world since 2012
Product Overview
The CHONDA 100–1000V Isolated DC-DC Converter is designed for high-voltage industrial and renewable energy applications requiring reliable isolated DC power. With a wide input range of 100–1000VDC (optional 200–1200VDC) and a stable 24VDC output, it is ideal for PV string monitoring systems, combiner boxes, battery energy storage systems (BESS), industrial automation, and high-voltage control equipment. Customized input ranges, output voltages, and power ratings are available for OEM projects.
Key Features
- Ultra-Wide Input Voltage: 100–1000VDC standard, optional 200–1200VDC input range
- Stable Regulated Output: High-precision DC output with ±1% voltage accuracy
- High Isolation Protection: Up to 4000VDC isolation for enhanced system safety
- Industrial-Grade Reliability: Designed for continuous operation in harsh industrial environments
- Comprehensive Protection: Short-circuit, over-current, and thermal protection
- Compact PCB-Mount Design: Easy integration into monitoring and control systems
- Custom Design Available: Flexible input ranges, output voltages, and power ratings for OEM projects
Typical Applications
- ✔ PV String Monitoring Systems
- ✔ Combiner Box Monitoring
- ✔ Battery Energy Storage Systems (BESS)
- ✔ Industrial Automation Equipment
- ✔ Solar Tracker Controllers
- ✔ High Voltage Test Equipment
- ✔ Railway Electronics
- ✔ Power Distribution Systems
Application Diagram
Our high voltage DC-DC converters provide stable and reliable low-voltage power for various industrial and energy applications.
Electrical Specifications
Input Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 100–1000VDC (200–1200VDC Optional) |
| Input Current | PHV05: 100mA (typ) PHV10: 230mA (typ) PHV15: 250mA (typ) |
| Surge Current | 10A (100VDC), 20A (1200VDC) |
Output Specifications
| Parameter | Value |
|---|---|
| Output Accuracy | ±1% |
| Line Regulation | ±0.5% (typ) |
| Load Regulation | ±2% (10–100% Load) |
| Ripple & Noise | 100mVp-p (20MHz Bandwidth) |
| Minimum Load | 0% |
| Short Circuit Protection | Continuous, Auto Recovery |
| Over Current Protection | ≥110% Rated Output |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | −40°C to +55°C |
| Storage Temperature | −40°C to +105°C |
| Humidity | 95% RH Max |
| Case Temperature | +80°C Max |
Performance
| Parameter | Value |
|---|---|
| Efficiency | 75% (typ) |
| Switching Frequency | 65–100kHz |
| Start-up Delay | 500ms |
| Dynamic Response | ±4% / 500μs |
| Temperature Drift | 0.02%/°C |
Isolation & Safety
| Parameter | Value |
|---|---|
| Isolation Voltage | 4000VDC / 1 Minute |
| Isolation Resistance | 100GΩ @ 500VDC |
| Leakage Current | 0.03mA RMS |
| Safety Class | Class I |
| MTBF | >215,000 Hours @25°C |
Available Models
Performance Test Results
Input Voltage vs Load
Dynamic load response
Mechanical Dimensions
outside shell size
sectional dimension:1.0mm terminal accuracy:0.1mm other accuracy: ±0.5mm
Frequently Asked Questions
What is a 1000V DC-DC converter for a PV combiner box?
A 1000V DC-DC converter is designed to supply isolated and stable DC power inside photovoltaic combiner boxes. It converts high-voltage DC input into regulated low-voltage output for monitoring devices, communication modules, sensors, and protection systems.
Why is isolation important in PV combiner box applications?
Electrical isolation improves system safety by separating the high-voltage input from sensitive low-voltage circuits. It also helps reduce electrical noise, prevents ground loops, and enhances long-term reliability in solar installations.
What input voltage range does this converter support?
This converter supports an ultra-wide DC input range from 100VDC to 1000VDC, making it suitable for photovoltaic strings with varying operating voltages throughout the day.
Which output voltages are available?
Standard output options include:
- 5VDC
- 12VDC
- 15VDC
- 24VDC
- 48VDC
Custom output voltages can also be provided based on project requirements.
Need a Custom Solution?
Looking for a customized high-voltage DC/DC converter for your photovoltaic or industrial application?
Contact our engineering team for customized input voltage, output voltage, package size, and power solutions.
Looking for other voltage ranges? Explore our complete High Voltage DC-DC Converter Series.
