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3.3V/5V Dual Output Breadboard Power Supply

$9.95


	
	
	
	
SKU: PWR-000005 Category: Tags: ,

Product Description

Overview

This breadboard power supply features in a dual-channel output configuration. The input voltage can range from 6.5V to 15V. The on-board barrel connector allows the most common AC/DC adaptor (AC/DC wall-mount plug) to be used as the power source. This board features in a “plug and play” design. The board fits directly onto the most breadboards (MB-102) so that no wiring is needed for powering up the breadboard power rails.

Features

  • Independent Dual-channel output (3.3V and 5V output at the same time)
  • Optimized thermal design with PCB copper and vias as heat sink
  • Additional aluminum heat sinks + heat-conducting stickers included for extra cooling
  • Inverse input polarity protection
  • Short circuit protection
  • Thermo shutdown protection
  • Plug and Play design
  • Compact size

Electrical Characteristics

  • Input Voltage: 6.5V-15V
  • 5V Output Capability:
    • 550mA@9V Input
    • 350mA@12V Input
  • 3.3V Output Capability:
    • 400mA@9V Input
    • 275mA@12V Input
  • Output Voltage Accuracy (under no load): 1%

Application Consideration

According to the regulator specification, the regulator chip has 1A current output capability. However, the current output capability is limited by the power dissipation capability of the cooling system. For this reason, a TO-252 package was used instead of the low-cost SOT-223 package which is used in most breadboard power supply products. Compared to the SOT-223 package, the TO-252 package is bigger in size and has a metallic center pad under the chip which could delivery heat much more efficiently than SOT-223 package which is wrapped in a plastic package. In our design, a copper thermal pad and multiple thermal vias are placed on the PCB below those regulator chips, which also helps to deliver heat to the atmosphere.

In the Package

  • A fully tested breadboard power supply module
  • 2 aluminum heat sinks
  • A 3M 8810 heat-conducting sticker (2.5cm x 2.5cm)

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