BN 2134134
Voltage Step Down Module
EN Quick Instru ctions
Version: 1
Safety Instructions
Do not to touch connections carrying voltages above
25 V/AC or 35 V/DC.
l Be espec ially careful when dealing with voltages higher than
25 V alternat ing (AC ) or 35 V direct volt age (DC )! Even at
thes e voltages it is possible to receive a fatal elect ric shoc k if
you touch elec t ric al conduct ors.
Delivery Content
l Module
Description
The module is a buck converter. The output voltage is adjustable.
Refer to the Specification section for details on technical data.
Development Resources
Development resources and additional product information are available from:
https: //www.conrad.de/ https: //docs.makerfactory.io/
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Pinout / Pin Map
Indicator Pin Description
1 IN- Voltage in (-)
2 IN+ Voltage in (+)
3 OUT- Voltage out (-)
4 OUT+ Voltage out (+)
5
Output voltage adjustment (use suitable
screw driver)
Specifications
Input Voltage 4.5 - 35 V
Output Voltage 1.5 - 35 V (Adjustable)
Output Current
Conversion Efficiency
(Efficiency increases with higher
voltages)
Switching Frequency 150 kHz
Rectif ier Non-synchronous rectification
Rated: 2 A
Maximum: 3 A (Heat sink is
required)
max. 92 %
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Module Properties
Short Circuit Protection Current limiting
Operating Temperature
Full Load Temperature Rise 40 °C
Load R egulation ± 0.5 %
Voltage Regulation ± 2.5 %
Dynamic Response speed 5 % 200 µs
Dimensions (approx.) (L x W x H) 43 x 20 x 14 mm
Weight (approx.) 12 g
Non-isolated step-down module (buck)
-40 to +85 °C when output
power ≤10 W
Disposal
Electronic devices are recyclable waste and must not be disposed of in the household waste.
At the end of its service life, dispose of the product in
accordance with applicable regulatory guidelines.
You thus fulfill your s tatutory obligations and contribute to the protection of the environment.
Legal Notice
This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method,
e.g. photocopy, microfilming, or the capture in electronic data processing syst ems require the prior written approval by the editor.
Reprinting, also in part, is prohibited.
This publication represent the technical status at the time of printing.
Copyright 2019 by Conrad Electronic SE.
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