MDD310-14N1

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MDD310-14N1 Application Field and Working Principle

MDD310-14N1 is categorized into Diodes-Rectifiers-Arrays. This is a surface mountable low-loss full bridge rectifier. It is specifically designed for universal AC to DC conversion circuit. The rectifier provides 3-phase full wave rectification without center tap configuration. It contains two bridges that are formed by four MDD310-14N1 low power Schottky rectifier diodes and also two flyback diodes.

Features of MDD310-14N1

• Minimal forward voltage drop to preserve efficiency for high frequency operation.
• High frequency operation of up 100kHz.
• Low-loss for high current operation with almost no heat sink.
• High reverse voltage capability.
• Comply with JEDEC standards.

Typical Application of MDD310-14N1

1. DC-DC conversion.
2. Electronic ballast.
3. Adapter and charging unit.
4. On-board power supplies.
5. Uninterruptible power supplies.
6. Telecommunication applications.
7. High frequency switching.

Mechanical Characteristics of MDD310-14N1

• Package type: SMD(DFE).
• Package size: SOD1047.
• High reliability double-sided surface mount.
• Leadless, small size and light weight.
• High assembly productivity.
• Lead free.

Working Principle and Operation of MDD310-14N1

The MDD310-14N1 is a high-performance, low-power Schottky rectifier. It is specifically designed for use in universal AC to DC conversion circuits. The rectifier is composed of two bridges that form an in-line full wave rectifier as shown in the diagram. Each bridge is formed by two MDD310-14N1 low power Schottky rectifier diodes, and two flyback diodes.

The MDD310-14N1 works by taking advantage of the low forward voltage drop provided by the Schottky rectifier diodes, and the high reverse voltage capability of the flyback diodes to maximize efficiency. The low forward voltage drop provides the rectifier with minimal power loss, while the high reverse voltage capability ensures the rectifier is able to handle the full AC input in the universal AC to DC conversion circuit.

When an AC input is applied to the MDD310-14N1, the Schottky rectifier diodes conduct current in only one direction, i.e., inwards, while the flyback diodes conduct current in both directions, i.e. inwards and outwards. This means that the output voltage will be a full waveform of the input, with negligible total power loss due to the low forward voltage drop of the Schottky diodes, which is why it is suitable for universal AC to DC conversion circuit.

Conclusion

The MDD310-14N1 is a low-power Schottky rectifier that is designed for use in universal AC to DC conversion circuits. It utilizes two bridges to provide 3-phase full wave rectification without center tap configuration. The low forward voltage drop and the high reverse voltage capability of the MDD310-14N1 make it suitable for high frequency operation up to 100kHz with minimal power loss. It also has high reliability double-sided surface mount, leadless, small size and light weight, making it ideal for applications such as DC-DC conversion, electronic ballasts, adapters, charging units and other high frequency switching applications.

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