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MC34025DW  

AC DC Converters, Offline Switches

MC34025DW Description

The MC34025DW is a high-performance, isolated offline switch designed by ON Semiconductor, specifically suited for AC-DC conversion applications. This device offers a range of technical specifications that make it an ideal choice for various power conversion tasks. With an operating temperature range of 0°C to 70°C, it is suitable for a wide array of environments. The MC34025DW features a frequency switching of 1MHz, which allows for efficient power conversion and is equipped with frequency control and soft start capabilities for enhanced performance and reliability.

MC34025DW Features

• Technical Specifications:

  • Operating Temperature: 0°C ~ 70°C (TA)
  • ECCN: EAR99
  • Mounting Type: Surface Mount
  • Product Status: Obsolete (Note: While the product is obsolete, it may still be available through certain channels or as a legacy part in existing systems)
  • Internal Switch(s): No
  • Control Features: Frequency Control, Soft Start
  • Fault Protection: Current Limiting
  • Frequency - Switching: 1MHz
  • REACH Status: REACH Unaffected
  • Voltage - Start Up: 9.2 V
  • Duty Cycle: 45%
  • Package: Tube
  • Output Isolation: Isolated
  • Voltage - Supply (Vcc/Vdd): 8.4V ~ 30V
  • Base Product Number: MC34025
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)

• Unique Features and Advantages:

  • The MC34025DW stands out with its isolated output, which provides safety and reliability in applications where electrical isolation is crucial.
  • The device's soft start feature helps in reducing inrush current, thereby protecting the circuit from damage during startup.
  • Current limiting fault protection ensures that the device can handle transient overloads without failure.

MC34025DW Applications

The MC34025DW is ideal for a variety of applications where efficient power conversion and isolation are required. Some specific use cases include:

• Telecommunications Equipment: Power supplies for telecom equipment need to be reliable and efficient, making the MC34025DW a suitable choice.
• Industrial Automation: In industrial settings, isolated power supplies are essential for safety, and the MC34025DW can provide this isolation.
• Medical Devices: Medical equipment often requires isolated power supplies to prevent electrical hazards, and the MC34025DW can serve this purpose effectively.

Conclusion of MC34025DW

While the MC34025DW is now considered obsolete, it remains a robust and reliable component for legacy systems or applications where its specific features are still required. Its combination of isolated output, soft start, and current limiting makes it a versatile choice for power conversion in various industries. For new designs, it's recommended to consider the latest offerings from ON Semiconductor that may provide enhanced performance and efficiency.

MC34025DW Documents

Download datasheets and manufacturer documentation for MC34025DW

Datasheets :

MC34025, 33025      

PCN Obsolescence/ EOL :

Multiple Devices 11/Feb/2009      

HTML Datasheet :

MC34025, 33025      

Environmental Information :

onsemi RoHS       onsemi REACH