> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Power Supply Mini Board (+3.3V)

**Type:** Product page · **SKU:** 003-MINIPOWER3.3V
**Page:** https://core-electronics.com.au/power-supply-mini-board-3-3v.html ([markdown](https://core-electronics.com.au/power-supply-mini-board-3-3v.html.md))

## Retired product

This product is retired and no longer available for purchase. Search the catalogue for an alternative.

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Our new Power Supply Mini Board features a high efficiency switching regulator for both a very stable supply and reduced power loss. Ideal for use with a standard dc plug-pack outputting 7-12Vdc, with either polarity plug arrangement.

This board incorporates the high-speed National Semiconductor LM2575T switching regulator to produce a steady +3.3V output, suitable for driving most microcontrollers. The unit is capable of delivering up to 1A. A power output LED is included with numerous +3.3V terminal points with both male and female headers.

The Power Supply Mini Board is the ideal solution for providing a highly efficient +3.3V supply for microcontrollers and +3.3V control boards.

**Features**

- Incorporates the High Efficiency LM2575T Switching Regulator
- Suitable for 7-12VDC input with standard plugpack connection
- Power LED included
- Multiple +3.3V Output Termination Points
- Suitable for use with most +3.3V Microcontrollers
- Board Dimensions: 45 x 55 mm

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/t/-/t-070-1.jpg)