Description

The TRAFOTEK CHK0520 is a precision-engineered, compact DC-DC converter module designed to provide reliable and efficient power conversion in industrial automation and control applications. This high-performance power module delivers regulated DC output from unregulated DC input sources, making it ideal for applications where stable and clean power is essential for sensitive electronic equipment. The TRAFOTEK CHK0520 excels in converting input voltages to precisely regulated output voltages with minimal noise and maximum efficiency, ensuring optimal performance of connected devices such as sensors, transmitters, and control circuitry. Its compact design and robust construction make it suitable for space-constrained applications while maintaining high reliability in demanding industrial environments.

Engineered with Trafotek’s expertise in power conversion technology, this DC-DC converter features excellent line and load regulation characteristics, maintaining stable output voltage despite variations in input voltage or output load conditions. The TRAFOTEK CHK0520 incorporates advanced protection features including overload protection, short-circuit protection, and over-temperature protection, safeguarding both the converter itself and the connected load from electrical faults. The module’s wide operating temperature range and high efficiency make it particularly suitable for industrial applications where thermal management and energy efficiency are important considerations. With its combination of compact size, reliable performance, and comprehensive protection features, the TRAFOTEK CHK0520 provides an optimal power solution for industrial automation systems requiring dependable DC power conversion.

CHK0520 TRAFOTEK

Technical Specifications

Parameter Name	Parameter Value
Product Model	CHK0520
Manufacturer	Trafotek
Product Type	DC-DC Converter Module
Input Voltage Range	18-36 VDC
Output Voltage	5 VDC
Output Current	2.0 A maximum
Output Power	10 W
Line Regulation	±0.5% (typical)
Load Regulation	±1.0% (typical)
Efficiency	85% typical @ full load
Ripple and Noise	50 mVpp maximum
Operating Temperature	-40°C to +85°C
Storage Temperature	-55°C to +100°C
Overload Protection	Yes, automatic recovery
Short Circuit Protection	Yes, hiccup mode, auto-recovery
Isolation Voltage	1500 VDC input to output
Connection Type	PCB pin or screw terminal (varies by version)

Main Features and Advantages

The TRAFOTEK CHK0520 delivers exceptional power conversion performance through its highly efficient design that minimizes power loss and heat generation, making it ideal for applications where thermal management is critical. The module’s wide input voltage range (18-36 VDC) allows it to accommodate variations typically found in industrial DC power systems, including battery-powered applications and poorly regulated DC sources. Excellent line and load regulation characteristics ensure stable 5V output regardless of input voltage fluctuations or changes in load current, providing clean and reliable power to sensitive electronic components. The built-in protection circuitry includes overload protection, short-circuit protection, and over-temperature protection, ensuring safe operation and preventing damage to both the converter and connected equipment.

The compact and rugged design of the TRAFOTEK CHK0520 makes it suitable for space-constrained applications while maintaining reliable operation across an extended temperature range (-40°C to +85°C). The high isolation voltage (1500 VDC) between input and output provides protection against ground loops and enhances system safety. The module’s low output ripple and noise characteristics make it suitable for powering sensitive analog and digital circuits without compromising signal integrity. The TRAFOTEK CHK0520 requires no external components for operation, simplifying system design and reducing overall component count. These features combine to make this DC-DC converter an ideal choice for industrial automation, telecommunications, and instrumentation applications where reliable, efficient power conversion is essential.

Application Field

The TRAFOTEK CHK0520 finds extensive application across various industries where reliable DC power conversion is required. In industrial automation systems, it is used to provide regulated 5V power to sensors, transmitters, and control circuitry from unregulated 24V DC supplies commonly found in factory environments. Process control applications utilize this converter for powering measurement instruments, data acquisition systems, and interface circuitry where clean, stable power is essential for accurate measurements. The telecommunications industry employs the TRAFOTEK CHK0520 in network equipment, base stations, and communication devices requiring efficient power conversion from backup battery systems.

Transportation systems use this module for powering electronic control units, surveillance systems, and passenger information displays in vehicles and infrastructure equipment. Test and measurement applications benefit from the converter’s stable output for powering precision instruments and data acquisition systems. Building automation systems utilize the TRAFOTEK CHK0520 for powering controllers, sensors, and networking equipment in distributed control applications. Essentially, any application requiring efficient conversion of unregulated DC power (typically 24V nominal) to precisely regulated 5V power for sensitive electronic equipment benefits from the reliable performance and compact design of the TRAFOTEK CHK0520 DC-DC converter.

CHK0520 TRAFOTEK

Related Products

CHK1210: 12V output DC-DC converter, 1A capacity

CHK1205: 12V output DC-DC converter, 0.5A capacity

CHK0510: 5V output DC-DC converter, 1A capacity

CHK2415: 24V to 15V DC-DC converter module

CHK1505: 15V to 5V DC-DC converter module

CHK4805: 48V to 5V DC-DC converter module

TPS系列: Higher power DC-DC converter units

ISM系列: Isolated DC-DC converter modules with medical ratings

ITM系列: Industrial DC-DC converters with extended temperature ranges