Features and Benefits

  • Versatile digital voltage mode controller
  • High speed input voltage feedforward control
  • 4 pulse-width modulation (PWM) logic outputs with 625 ps resolution
  • Switching frequency:
    49 kHz to 625 kHz
  • Frequency synchronization as slave device
  • Pulse skipping power saving mode
  • Prebias startup
  • Conditional overvoltage protection
  • Extensive fault detection and protection
  • PMBus compliant
  • Graphical user interface (GUI) for ease of programming
  • See datasheet for additional features

Product Details

The ADP1050 is an advanced digital controller with a PMBus™ interface targeting high density, high efficiency dc-to-dc power conversion. This controller implements voltage mode control with high speed, input voltage feedforward operation for enhanced transient and noise performance. The ADP1050 has four programmable pulse-width modulation (PWM) outputs capable of controlling most high efficiency power supply topologies, with the added control of synchronous rectification (SR).

The ADP1050 implements several features to enable a robust system of parallel and redundant operation for customers who require high availability. The device provides synchronization, prebias startup, and conditional overvoltage techniques to identify and safely shut down an erroneous power supply in parallel operation mode.

The ADP1050 is based on flexible state machine architecture and is programmed using an intuitive graphical user interface (GUI). The easy to use GUI reduces design cycle time and results in a robust, hardware coded system loaded into the built-in EEPROM. The small size (4 mm × 4 mm) of the LFCSP package makes the ADP1050 ideal for ultracompact, isolated dc-to-dc power module or embedded power designs.


  • High density, isolated dc-to-dc power supplies
    Intermediate bus converters
    High availability parallel power systems
  • Server, storage, industrial, networking, and communications

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.