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MD1801 - High performance primary side regulator (PSR) offline switch power supply (SMPS) controller

Download the MD1801 datasheet PDF. This datasheet also covers the MD1800-MIX variant, as both devices belong to the same high performance primary side regulator (psr) offline switch power supply (smps) controller family and are provided as variant models within a single manufacturer datasheet.

General Description

MD180X is high performance primary sensing regulator (PSR) and monolithic switch power controller which is designed for small-power supply equipment with current mode control.

Built-in accurate CV/CC control circuit, eliminates optocoupler, TL431 and its related loop devices.

Key Features

  • Built-in 700V@MD1800; 810V@MD1801 power BJT.
  • PSR control, eliminates optocoupler and TL431.
  • Accurate CV/CC control.
  • Hysteresis over-temperature protection (OTP) circuit.
  • Higher efficiency and meet Level 6 efficiency standards.
  • Output voltage protection (OVP/UVP).
  • < 100 mW no-load consumption.
  • Auto-Restart function.
  • Ultra-low start-up current.
  • Good EMC characteristic allows the simple EMC circuit.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MD1800-MIX-DESIGN.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number MD1801
Manufacturer MIX-DESIGN
File Size 1.05 MB
Description High performance primary side regulator (PSR) offline switch power supply (SMPS) controller
Datasheet download datasheet MD1801 Datasheet

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Other Datasheets by MIX-DESIGN

Part Number Description
MD1800 High performance primary side regulator (PSR) offline switch power supply (SMPS) controller
MD1810 High performance primary side regulator (PSR) offline switch power supply (SMPS) controller
MD1811 High performance primary side regulator (PSR) offline switch power supply (SMPS) controller
MD1812 High performance primary side regulator (PSR) offline switch power supply (SMPS) controller
MD1815 High performance primary side regulator (PSR) offline switch power supply (SMPS) controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MD1800/01 Datasheet High performance primary side regulator (PSR) offline switch power supply (SMPS) controller PRODUCT DESCRIPTION MD180X is high performance primary sensing regulator (PSR) and monolithic switch power controller which is designed for small-power supply equipment with current mode control. Built-in accurate CV/CC control circuit, eliminates optocoupler, TL431 and its related loop devices. High integration design, a high performance power BJT and PFM controller and all kinds of protection circuits in one chip, to minimize the peripheral components to save the cost greatly. MD180X can be simply designed a typical flyback switch converter, the unique driving technology promotes the characteristics of withstand voltage and achieves excellent converting efficiency.