st1ps0

ST1PS0 系列 400 mA 纳安级静态电流同步降压转换器

New generation of buck converters pushes performance beyond limits with an input voltage ranging from 1.8 to 5.5 V and with digital voltage selection

Miniaturized step-down regulators drawing a quiescent current of only 500 nA, the ST1PS0 series ensures a highly efficient conversion regardless of the power source and is specifically tailored for battery-powered and energy-harvesting applications.

Key features

  • 100% duty cycle
  • 1.8 to 5.5 V input operating range
  • Low power control operation for the best efficiency
  • Output voltage Power Good pin
  • ±1.5% output voltage accuracy
  • Up to 400 mA output current capability
  • Flip-chip 8 and TQFN12 packages

Application examples

wearables Wearables
personal tracking monitors Personal tracking monitors
smart watches and sport bands Smart watches and sport bands
energy harvesting and wireless sensors Energy harvesting and wireless sensors

Recommended resources

edesign suite

A comprehensive, flexible suite of design aid utilities and engineering tools, eDesignSuite helps engineers design high-efficiency power solutions with a wide range of ST products meeting user application requirements.

edsim

eDSIm is powerful electrical simulation tool for fast and accurate simulations and reliable design validation. Integrated in the eDesignSuite tool, it features enhanced accuracy and higher convergence speed, enabling a simulation time that is 10 to 50 times faster than classical analog SPICE simulators.

 

Learn how you can benefit from our innovative nano-quiescent DC-DC technology for IoT, asset tracking and all types of smart devices and wearables. Watch our short video.

pdf switching converters

Wondering why DC-DC switching regulators are by far the most efficient way to convert one DC voltage to another? Learn more and see how to select the right DC-DC converter and topology for your power management design with this Quick Reference Guide!

steval 1ps01ajr

Quickly prototype and test your designs based on the ST1PS01 step-down regulator with digital voltage selection and Power Good signal in a tiny Flip-Chip package (1.11 x 1.41 mm, 400 μm pitch) for space-constrained applications.

steval 1ps02a

Quickly prototype and test your designs based on the ST1PS02 step-down regulator with digital voltage selection, Power Good signal and auxiliary output voltage pin in a thin TQFN12 plastic package (2.0 x 1.7 mm, 400 μm pitch).

steval-1ps03a

Quickly prototype and test your designs based on the ST1PS03 step-down regulator with digital voltage selection, Power Good signal and independent load switch (auxiliary control input) in a thin TQFN12 plastic package (2.0 x 1.7 mm, 400 μm pitch).

webinar-dc-dc

Join this on-demand webinar as we explain the different Vbus topologies and associated product portfolios. We will showcase the benefits of our DC-DC and LDO regulators, eFuses, and LED drivers, along with the evaluation boards and free simulation tools available to help designers go to market faster.

We will help you:

  • Understand the advantages of ST power management products in your designs
  • Learn how to effectively identify and select the best regulators for your applications
  • Learn more about our simulation and design aid tool environment