Stepdown Converters Boost Efficiency, Save Board Space

Texas Instruments 0.5A LMZM23600 and 1A LMZM23601 DC/DC 4V to 36V step-down dc/dc converter modules measure 3 mm x 3.8 mm and require two external components for operation. They achieve up to 92% efficiency and feature tiny MicroSiP packaging that shrinks board space by up to 58%.

Both modules are offered with either fixed 5V or 3.3V output voltages, or with external synchronization and adjustable 2.5V to 15V output voltages. The LMZM23601 features a mode pin that allows operation at a fixed frequency for low electromagnetic interference (EMI), or an automatic pulse frequency modulation control mode for high efficiency at light loads.



Sensors Midwest Hits Rosemont, IL October 16-17!

Sensors Midwest, the industry's largest event focusing on sensors, design, and IIoT in the Midwest region, is scheduled for October 16-17 at the Donald E. Stephens Convention Center in Rosemont, IL. Co-located with STMA, the event draws over 1,000 engineers and engineering professionals that are looking for access to the latest sensor advancements and will provide an opportunity to connect with the area's greatest technology leaders and suppliers.

Other features of the LMZM23600 and LMZM23601 include:

  • Provides 92 percent peak efficiency and 85 percent full-load efficiency for 24-V to 5-V power conversions.
  • 30-µA quiescent current increases light-load efficiency and extends battery life in battery-powered applications.
  • Small, 10-pin, 3.0-mm-by-3.8-mm-by-1.6-mm MicroSiP package with integrated inductor enables a complete fixed 3.3-V or 5-V output solution measuring just 27 mm2. With only two external components, the module reduces solution size by up to 58 percent when compared to a discrete solution with similar input and output voltages, output current and switching frequency.  

Prototype samples of the 1-A LMZM23601 with an adjustable output voltage are available now. Production samples of the 0.5-A LMZM23600 with fixed output voltages, as well as the LMZM23601 with adjustable and fixed output voltages, will be available in May 2018. The LMZM23600 is priced at $1.95 and the LMZM23601 is priced at $2.40 each/1,000. For greater insight, datasheets are available.


Texas Instruments Inc.

Dallas, TX