30-120V to 12V 20A 240W DC DC Buck Power Converter
A DC/DC converter is a specialized voltage converter designed to efficiently output a fixed voltage from a varying input source. These converters are essential components in modern electronics, categorized into Boost (step-up), Buck (step-down), and Boost-Buck types.
- Advanced Control: Utilizes PWM (Pulse Width Modulation) for high efficiency and minimal output noise.
- Energy Saving: Features PFM (Pulse Frequency Modulation) for low power consumption during long-term use and light-load conditions.
- Automatic Transition: Seamlessly switches between PFM and PWM based on load demands.
- Versatile Applications: Widely used in electric vehicles, mobile devices, digital cameras, and portable media players.
Customized Power Solutions
We specialize in providing efficient, reliable, and cost-effective power supply solutions across all industries. Our capabilities include customizing DC-DC converters to meet specific requirements, with input/output voltages ranging from 1V to 1000V and currents from 1A to 1000A. We offer both isolated and non-isolated design options to ensure the right fit for your application.
1. Standard Protections: All buck-boost products include overcurrent, short-circuit, input undervoltage, and chip overheating protection.
2. Inductive Loads: For motors, magnetic valves, or speakers, it is recommended to use a power supply with 3-5 times the rated power of the load.
3. Isolated vs. Non-isolated: Non-isolated buck supplies carry a risk where high input voltage may pass to the output if a failure occurs. Isolated products are strongly recommended for protecting valuable equipment.
4. Wiring Precautions: In isolated products, input and output negative poles must remain separate to maintain the isolation effect.
5. Heat Dissipation: High-power models feature thermal protection (typically around 90°C) via the aluminum casing or internal sensors.
Frequently Asked Questions
What is the main advantage of using an isolated DC-DC converter?
Isolated converters prevent high input voltage from directly passing to the output end in case of a failure, providing the highest level of safety for expensive loads and sensitive equipment.
Why is it recommended to choose a higher power rating for motor applications?
Motor applications and inductive loads create high starting currents. We recommend a power supply with 3-5 times the rated power of the load to handle these surges effectively.
Does the converter have protection against water and dust?
Yes, many of our models feature an IP67 waterproof level, making them suitable for outdoor and harsh industrial environments.
What is the difference between PWM and PFM control?
PWM control offers high efficiency and low noise during standard operation, while PFM control minimizes power consumption during light-load or long-term standby conditions.
Can I use these converters for battery charging?
Standard converters are designed for fixed voltage output. For charging applications, you should select specific models equipped with integrated charging functions.
Are the aluminum casings durable for outdoor use?
Yes, the gold-colored and standard aluminum casings are designed to be high-temperature resistant and highly reliable for outdoor and high-demand industrial applications.