A Multi-Output Flyback Transformer is a magnetic component designed for flyback switching power supplies requiring multiple isolated output voltages from a single input. It transfers energy through the magnetic core during high-frequency switching operation and provides independently isolated secondary outputs for different loads within the same power system.
The multi-output design allows a single flyback power supply to deliver multiple voltage rails simultaneously, helping simplify circuit architecture and reduce the space required for separate power conversion stages. With a compact structure and flexible output configuration, it is suitable for power supplies where multiple isolated voltages, reliable operation, and efficient power conversion are required.
Key Attributes
| Item | Specification | Item | Specification |
| Application | Flyback Switching Power Supply | Output Type | Multi-Output / Isolated Outputs |
| Type | Multi-Output Flyback Transformer | Model Number | Customized |
| Core Material | Ferrite Core | Power Rating | 100 W–6 kW |
| Frequency | 10–200 kHz | Switching Frequency | 10–200 kHz |
| Rated Current | Customized | Input Voltage | Customized |
| Inductance |
|
Output Voltage | Customized |
| DCR | Customized | Number of Outputs | Customized |
| Mounting Type | PCB / Through-Hole | Turns Ratio | Customized |
| Certification | RoHS, REACH | Isolation Voltage | Customized |
| Keyword | Multi-Output Flyback Transformer | Operating Temperature | Customized |
Working Principle
A Multi-Output Flyback Transformer operates by storing and transferring energy through a magnetic core under high-frequency switching conditions. When the primary-side switch is turned on, current builds in the primary winding and magnetic energy is stored in the core. When the switch turns off, the stored energy is transferred to the secondary windings through electromagnetic induction.
Multiple secondary windings can be configured to provide different isolated output voltages for separate loads. By selecting appropriate winding turns ratios and magnetic parameters, the transformer can support multiple output rails within a single flyback power supply while maintaining electrical isolation between the primary and secondary sides.
The high-frequency switching design enables compact magnetic construction and efficient power conversion, while the customized multi-winding configuration allows the transformer to meet different voltage, current, power, and isolation requirements.
Key Features
- Multiple Isolated Outputs – Provides multiple secondary output voltages from a single primary input, supporting different loads within one power supply.
- Flexible Output Configuration – Output voltage, current, turns ratio, and winding configuration can be tailored to specific circuit requirements.
- Compact Magnetic Design – High-frequency operation enables a compact transformer structure and efficient use of PCB space.
- Reliable Electrical Isolation – Separate primary and secondary windings provide galvanic isolation for safer and more reliable power conversion.
- Wide Switching Frequency Range – Designed for switching frequencies from 10 kHz to 200 kHz, depending on the application and design requirements.
- Customized Power Capability – Available for power requirements from 100 W to 6 kW based on application-specific magnetic and thermal design.
- Stable Multi-Rail Power Conversion – Supports simultaneous generation of multiple output voltages for multi-module electronic systems..
Applications
- Switching power supplies with multiple isolated outputs
- AC-DC and DC-DC flyback power converters
- Household appliances and consumer electronics
- Industrial control and automation equipment
- Instrumentation and measurement equipment
- Communication power supplies
- LED drivers and lighting power systems
- Security and electronic control equipment
Multi-Output Flyback Transformers are particularly suitable for power electronic systems requiring multiple isolated voltage rails from a single power conversion stage.
Advantages
- One Transformer for Multiple Voltage Rails
A multi-output winding structure can provide several isolated output voltages from a single flyback converter, reducing the need for multiple transformers.
- Simplified Power Supply Architecture
Multiple output rails can be integrated into one power conversion stage, helping simplify circuit design and reduce component count.
- Efficient Use of PCB Space
The compact high-frequency transformer structure helps support space-efficient power supply designs.
- Flexible Customization
Input voltage, output voltages, output channels, power rating, turns ratio, winding configuration, and isolation requirements can be customized for different applications.
- Reliable Isolation and Power Conversion
Properly designed primary and secondary windings provide electrical isolation while supporting stable energy transfer during switching operation.
- Suitable for Multi-Module Systems
Multiple isolated outputs make the transformer well suited for systems where different circuit modules require separate voltage levels.
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