Linear Regulator as a Dynamic Voltage Scaling Power Supply Reference Design


Design files


The TIDA-00531 reference design features dynamic voltage scaling (DVS) as a power management solution to power CPU/DSP core voltages.

  • Programable Output Voltage from 1.2 V to 1.6 V With 90 Steps in Between
  • Output Voltage is Programable Through Standard I2C Interface
  • Output Voltage Enable and Disable function
  • High power supply ripple rejection
  • Up to 800-mA Output Current
  • This circuit design is tested and includes a detail design guide, test data and design files
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU950.PDF (656 K)

Reference design overview and verified performance test data


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Design file that contains information on physical board layer of design PCB


PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

LP3878-ADJ800-mA, 16-V, adjustable low-dropout voltage regulator with enable

Data sheet: PDF | HTML
Digital potentiometers (digipots)

TPL0401A-10128-tap single-channel digital potentiometer (digipot) with I2C interface (address 0101110)

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Design guide Linear Regulator as a Dynamic Voltage Scaling Power Supply Design Guide Apr. 16, 2015
Technical article How LDOs contribute to power efficiency PDF | HTML May 13, 2016

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