100–1000V Isolated DC-DC Converter for PV String Monitoring Systems

✔ 100–1000V Ultra Wide Input

✔ Reinforced Isolation up to 4000VDC

✔ Designed for PV String Monitoring Units

✔ Compact PCB Mount Package

✔ High Reliability for Outdoor Solar Systems

✔ Custom Output Voltage Available

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 the input voltage range of this DC/DC converter?

This converter supports an ultra-wide input voltage range of 100–1000VDC, with optional versions supporting up to 1200VDC.


Is this converter suitable for photovoltaic (PV) applications?

Yes. It is designed for PV string monitoring, combiner boxes, solar tracker controllers, and other high-voltage solar systems.


Does the converter provide isolation?

Yes. The module provides 4000VDC isolation between input and output for enhanced safety and reliability.


Can the output voltage be customized?

Yes. Customized output voltages, package sizes, and electrical specifications are available for OEM and industrial projects.


What protection features are included?

The converter includes input over-voltage protection, output over-current protection, and continuous short-circuit protection with automatic recovery.


How can I request samples?

Simply submit the inquiry form below. Our engineering team will respond within 24 hours with technical support and quotation details.

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.

Fill out the form below and we’ll respond within 24 hours.