Step-Down Converters

Step-down converters, also known as buck converters, have the ability to reduce higher direct current (DC) voltage to the desired value. Similar to switch-mode power supplies, they generate pulses from the voltage, which are then transformed into a constant voltage using a capacitor and an inductor. By adjusting the pulse width, you can additionally change the voltage level, although it will never exceed the input voltage value.

Bestsellers

Step-down converter with LM2596
In stock (272 pcs)
LA122003
 
€1,48
(€1,22 excl. VAT)
Micro step-down converter, adjustable
Naskladníme cca 10.4.
LA122017
 
€1,15
(€0,95 excl. VAT)
Mini step-down converter with MP1584EN
In stock (274 pcs)
LA122004
 
€1,32
(€1,09 excl. VAT)

Product sorting

22 items total

List of products

Built-in step-down converter - charger 30W, USB PD+QC3.0
New in stock
Built-in step-down converter - charger 30W, USB PD+QC3.0
The average product rating is 5,0 out of 5 stars.
In stock (15 pcs)
€7,74 excl. VAT
€9,37

Built-in encapsulated step-down converter for powering devices using standard USB-A and USB-C connectors.

LA122059
LaskaKit TPS62A02 Step-down converter 4.0-5.5V 3.3V/2A
€1,63 excl. VAT
€1,97

This compact and efficient step-down converter is based on the TPS62A 02 chip, which allows to reduce voltage from 4.0–5.5V to a stable 3.3V with a current of up to 2A ....

LA122048A
Mini SMD step-down converter 3.3V
New in stock
Mini SMD step-down converter 3.3V
The average product rating is 5,0 out of 5 stars.
In stock (156 pcs)
€0,95 excl. VAT
€1,15

Mini step-down DC-DC converter with fixed 3.3V output.

LA1220163
Mini SMD step-down converter 5V
New in stock
Mini SMD step-down converter 5V
The average product rating is 2,9 out of 5 stars.
In stock (73 pcs)
€0,95 excl. VAT
€1,15

Mini SMD step-down DC-DC converter with 5V output.

LA1220165
Module for fast charging of mobile devices, USB-A, USB-C
New in stock
Module for fast charging of mobile devices, USB-A, USB-C
The average product rating is 4,6 out of 5 stars.
In stock (38 pcs)
€3,33 excl. VAT
€4,03

Mobile Fast Charging Module, USB-A, USB-C

LA123097
PoE passive injector / splitter RJ45 48V DC connector
New New in stock
€0,95 excl. VAT
€1,15

The PoE passive injector/splitter RJ45 with a 5–48 V DC design is a simple kit for supplying power to an Ethernet cable (injector) and subsequently separating it at the device...

LA122081M
Radxa Rock PI 4 B/ A+/ B+ PoE HAT long pin header F4L
€33,89 excl. VAT
€41,01

Radxa Rock PI 4 B/ A+/ B+ PoE HAT long pin header F4L

LA110076
Radxa Rock PI WITH PoE HAT
€19,29 excl. VAT
€23,34

Radxa Rock PI WITH PoE HAT

LA110075
SDaPo DP1435 PoE Module IEEE 802.3af
€6,73 excl. VAT
€8,14

SDAPO DP1435 is a professional PoE (Power over Ethernet) module compliant with the IEEE 802.3af standard, enabling power supply via an Ethernet cable.

LA122000A
SDaPo DP9900M PoE module IEEE 802.3af
New New in stock
€10,12 excl. VAT
€12,25

SDaPo DP9900M is an integrated PoE (Power over Ethernet) power supply module of type PD (Powered Device) with galvanic isolation, fully compatible with the IEEE 802.3af standard.

LA122088A
Step-down converter 12V-5V/3A, USB-C
New in stock
Step-down converter 12V-5V/3A, USB-C
The average product rating is 5,0 out of 5 stars.
In stock (78 pcs)
€5,36 excl. VAT
€6,49

Step-down converter 12V-5V/3A with USB-C connector on the output. Watertight.

LA122041
Step-down converter 5V 5A TPS40057
New in stock
Step-down converter 5V 5A TPS40057
The average product rating is 4,4 out of 5 stars.
In stock (44 pcs)
€3,33 excl. VAT
€4,03

Step-down converter from 9-35V to 5V, maximum current 5A with TPS40057 chip

LA122032
Step-down converter 5V 6A, USB-A
New in stock
Step-down converter 5V 6A, USB-A
The average product rating is 3,0 out of 5 stars.
In stock (26 pcs)
€1,97 excl. VAT
€2,38

Step-down converter 5V 6A with integrated USB-A output connector.

LA122036
Step-down converter HW-636 with SCT2650 60V 5A
New in stock
Step-down converter HW-636 with SCT2650 60V 5A
The average product rating is 3,5 out of 5 stars.
In stock (20 pcs)
€5,94 excl. VAT
€7,19

Non-isolated step-down converter 6.5–60V to 3.3–30V. Continuous current 5A, peak current 10A.

LA122065
Step-down converter with LM2576HV
New in stock
Step-down converter with LM2576HV
The average product rating is 5,0 out of 5 stars.
In stock (41 pcs)
€2,65 excl. VAT
€3,21

Step-down DC-DC converter with LM2576HV chip.

LA122027
Step-down converter with LM2596
New in stock
Step-down converter with LM2596
The average product rating is 4,9 out of 5 stars.
In stock (272 pcs)
€1,22 excl. VAT
€1,48

Step-down converter with LM2596 chip, adjustable output and maximum output voltage 33V.

LA122003
WeMos D1 mini power shield
New in stock
WeMos D1 mini power shield
The average product rating is 5,0 out of 5 stars.
In stock (69 pcs)
€1,29 excl. VAT
€1,56

Shield for WeMos D1 mini boards to power your towers with controller, power jack and screw terminals.

LA110030
Module for fast charging of mobile devices, USB-A
New in stock
Module for fast charging of mobile devices, USB-A
The average product rating is 4,2 out of 5 stars.
Currently not available
€1,63 excl. VAT
€1,97

Module for fast charging of mobile devices, USB-A

LA123096
PoE passive injector / splitter RJ45
New
€2,99 excl. VAT
€3,62

The RJ45 passive PoE injector is used to combine power voltage with data into one Ethernet cable, or vice versa as a splitter to separate power and data. You will use it...

LA122080
PoE splitter 5V/2.4A, USB-C
New in stock
PoE splitter 5V/2.4A, USB-C
Currently not available
€10,12 excl. VAT
€12,25

Active PoE splitter 5V/2.4A, USB-C

LA122024A
Step-down converter 12V-5V/3A, USB
New in stock
Step-down converter 12V-5V/3A, USB
The average product rating is 4,4 out of 5 stars.
Currently not available
€5,36 excl. VAT
€6,49

Step-down converter 12V-5V/3A with USB-A connector on the output. Watertight.

LA122026
Step-down converter 5.2V 8A 4xUSB QS-1205CBUM-8A
New in stock
Step-down converter 5.2V 8A 4xUSB QS-1205CBUM-8A
The average product rating is 5,0 out of 5 stars.
Currently not available
€5,36 excl. VAT
€6,49

Step-down converter from 8-35V to 5.2V, maximum current 8A with four USB connectors for charging mobile devices.

LA122034

Listing controls

22 items total

Similar to switching power supplies, the voltage creates pulses that are used to capacitor and an inductor to convert it to a constant voltage. In addition, by changing the pulse width you can change the magnitude of the voltage, but never above the input voltage.

Choosing the right inverter for your project is important. You have to consider the maximum input voltage and current the inverter can handle, as well as the conversion efficiency. And of course, don't forget overload and short circuit protection so you don't burn out your entire project.

30 Days to Return
30 Days to Return
For Registered Customers
Free Shipping
Free Shipping
For orders from 100 EUR
It Doesn't End With Shipping
Customer Care
We handle complaints within 5 days
Quick dispatch
Quick dispatch
Within 24 hours