Features and Benefits

  • Wide input voltage range:
    2.85 V to 15 V
  • Adjustable negative output to VIN − 39 V
  • Integrated 2.4 A main switch
  • 1.2 MHz/2.4 MHz switching frequency with optional external frequency synchronization from 1.0 MHz to 2.6 MHz
  • Resistor programmable soft start timer
  • Slew rate control for lower system noise
  • Precision enable control
  • Power-good output
  • UVLO, OCP, OVP, and TSD protection
  • 3 mm × 3 mm, 16-lead LFCSP
  • −40°C to +125°C junction temperature
  • Supported by the ADIsimPower tool set

Product Details

The ADP5074 is a high performance dc-to-dc inverting regulator used to generate negative supply rails.

The input voltage range of 2.85 V to 15 V supports a wide variety of applications. The integrated main switch enables the generation of an adjustable negative output voltage down to 39 V below the input voltage.

The ADP5074 operates at a pin selected 1.2 MHz/2.4 MHz switching frequency. The ADP5074 can synchronize with an external oscillator from 1.0 MHz to 2.6 MHz to ease noise filtering in sensitive applications. The regulator implements programmable slew rate control circuitry for the MOSFET driver stage to reduce electromagnetic interference (EMI).

The ADP5074 includes a fixed internal or resistor programmable soft start timer to prevent inrush current at power-up. During shutdown, the regulator completely disconnects the load from the input supply to provide a true shutdown. A power good pin is available to indicate the output is stable.

Other key safety features in the ADP5074 include overcurrent protection (OCP), overvoltage protection (OVP), thermal shutdown (TSD), and input undervoltage lockout (UVLO).

The ADP5074 is available in a 16-lead LFCSP and is rated for a −40°C to +125°C operating junction temperature range.


  • Bipolar amplifiers, ADCs, digital-to-analog converters (DACs), and multiplexers
  • High speed converters
  • Radio frequency (RF) power amplifier (PA) bias
  • Optical modules

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.

Evaluation Kits (1)

Tools & Simulations


LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Models for the following parts are available in LTspice:


Design Tools

ADP5073/ADP5074/ADP5075 Design Tool

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

Support & Discussions

ADP5074 Discussions

14 week(s) ago in Power Management
RE: LT3483A very poor performance
15 week(s) ago in Power Management

Sample & Buy

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Evaluation Boards

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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.