STEVAL-ISA146V1   Product is in volume production.

4 A step-down switching evaluation board based on the ST1S50

Download Databrief

The STEVAL-ISA146V1 is a product evaluation board used to evaluate the ST1S50, a 500 kHz fixed-frequency PWM synchronous step-down regulator. The ST1S50 operates from a 4.0 V to 18 V input, while it regulates an output voltage as low as 0.8 V and up to 0.88 x VIN.

Key Features

  • 4 A output current
  • 4.0 V to 18 V input voltage
  • Output voltage adjustable from 0.8 V to 0.88 x VIN
  • 500 kHz switching frequency
  • High efficiency at light load
  • Programmable soft-start and enable
  • Integrated 95 mW and 69 mW power MOSFETs
  • All ceramic capacitor
  • Power Good
  • Cycle-by-cycle current limiting
  • Short-circuit protection
  • Hysteretical thermal shutdown
  • RoHS compliant

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Resources

Technical Documentation

Product Specifications
Description Version Size
DB2291 DB2291: 4 A step-down switching evaluation board based on the ST1S50 1.0 111 KB

Hardware Resources

Board Manufacturing Specifications
Description Version Size
STEVAL-ISA146V1 gerber files 1.0 652 KB
Bill of Materials
Description Version Size
STEVAL-ISA146V1 BOM 3.0 36 KB
Schematic Pack
Description Version Size
STEVAL-ISA146V1 schematics 3.0 72 KB

Publications and Collaterals

Flyers
Description Version Size
eDesignSuite-The smart way to design your application 1.0 842 KB

Legal

License Agreement
Description Version Size
Evaluation products license agreement 1.4 128 KB
Support & Community

Sample & Buy

Part Number Core Product Marketing Status Unit Price (US$) * Quantity ECCN (US) Country of Origin More info Order from ST Order from Distributors
STEVAL-ISA146V1 ST1S50 Active 42.0 1 EAR99 ITALY MORE INFO Buy Direct Add to cart DISTRIBUTOR AVAILABILITY
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(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA146V1 ActiveCARDIndustrialEcopack2-
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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