Adjustable Output DC-DC Power Supply

$37.00$37.75

The pt1-OKLT6W12-5V5max is a robust and stable power supply providing four outputs, adjustable from 0.59V to 5.5V, at a maximum of 6A. The board is built around a Murata OKL-T/6-W12 DC-DC switching (buck) converter, not requiring a heat sink.

The input voltage can be anywhere between 4.5V and 14V, supplied through the screw connector or the barrel jack connector.

0.8-5.5V Adjustable Output DC-DC Power Supply, 16-40V Ultra-Wide Input, 3A Out

The pt1-OKIT3W40-5V5max is a robust and stable power supply providing four outputs, adjustable from 0.75V to 5.5V, at a maximum of 3A. The board is built around a Murata OKI-T/3-W40 DC-DC switching (buck) converter, not requiring a heat sink.

The input voltage can be anywhere between 16V and 40V, supplied through the screw connector or the barrel jack connector.

The module features an onboard fuse, protecting the circuit against sustained input reversal. The power output is also protected against short circuits and over-temperature. The converter will automatically restart after the short circuit condition is removed.

The circuit has added some translator logic to provide a (positive) logic ENABLE signal (e.g., 3.3/5V).

Features

  • 16-40V ultra-wide input, power provided through screw or barrel jack connector
  • four outputs, adjustable from 0.75V to 5.5V, at a maximum of 3A in total
  • built around Murata OKI-T/3-W40 DC-DC switching (buck) converter
  • very high efficiency, not requiring any heat sinks
  • protected against sustained input reversal through an onboard fuse
  • protected against short circuits and over-temperature
  • automatic restart after a short circuit
  • (positive) logic ENABLE signal (e.g., 3.3/5V)
  • all based on robust through-hole components (except for the OKI-T/3-W40 converter)
  • the board is standing on four brass standoffs, allowing you to place it on a working table or integrate it into a larger assembly
  • board size: 52.75×34.00mm; bolts: 46.75×28.00mm (M2.5)
  • high-quality PCBs designed in KiCad and produced by Aisler (Germany), PCBWay (China), and OSH Park (USA)
  • the board comes fully assembled and tested
  • power cables available

NOTE: the total output voltage range runs from about 0.75V to 5.5V; if you need a more limited range (to protect the hardware you will be connecting to this module), select one of the other (more restricted) ranges

NOTE: the module will only start when a high logic ENABLE signal is provided; if you need a module that is always on, select the type without the ENABLE signal logic

Usage

I’ve created this board as a low-voltage power supply for my LED applications (often based on the TI TLC5947 constant current LED driver) and to feed the filaments of the VFD display tubes I use in my projects.

Additional information

Options

2 pcs power cords, 4 pcs power cords, no additional options

Variant

ENABLE signal, no ENABLE signal (always-on)

Version

~1.0-5.5V (full range) output

Product Datasheet and Manual

If applicable, the Product Documentation, such as the Datasheet, Brochure, Reference Materials, CAD Design, STP Files, Manuals, and Tutorials, will be available for download upon purchase from the My Account as needed. On the checkout page, please create an account to download product-related files upon purchase. You won’t be able to download otherwise.


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Adrian Offerman has an M.Sc. degree in computer engineering from Delft University of Technology, where he specialized in computer architecture and digital techniques and was trained as a processor designer. Furthermore, in 2010, he completed an M.Sc. degree in Psychology at Leiden University, where he specialized in cognitive psychology and clinical psychology.

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Shipping costs

Region / Country State Postcode Cost
Netherlands Any Any $8.00
Belgium Any Any $13.00
France Any Any $13.00
Sweden Any Any $13.00
Austria Any Any $13.00
Germany Any Any $13.00
Spain Any Any $13.00
Italy Any Any $13.00
Luxembourg Any Any $13.00
Denmark Any Any $13.00
Portugal Any Any $15.00
Ireland Any Any $15.00
United Kingdom (UK) Any Any $15.00
Europe Any Any $16.00
Everywhere else Any Any $26.00