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Converters step-down

Products: 76
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Step-down Voltage Inverter LM2596 - 3,2V-35V 3A

Module with pulse inverter step-down LM2596. Input voltage from 3.2 V to 35 V. Maximum continuous output current of 3 A. The output voltage is adjustable from 3.2 V to 35 V.
4.9 (46)
Index: MOD-02967
Index: MOD-02967
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Hi-Link Power Supply HLK-PM01 100V-240VAC / 5VDC - 0.6A

The HLK-PM01 power supply from Hi-Link converts mains voltage (AC) from 100V to 240V into 5V direct current (DC) with a current capacity of 0.6A. It is ideal for powering...
5.0 (7)
Index: DNG-10929
Index: DNG-10929
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Step-Down Voltage Regulator with Display LM2596 - 3.2V-35V 3A

LM2596 step-down converter module. Input voltage from 3.2 V to 40 V. Maximum continuous output current 3 A. Output voltage adjustable from 3.2 V to 35 V. Built-in display shows...
4.9 (18)
Index: MOD-04871
Index: MOD-04871
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Step-Down Voltage Regulator D24V5F5 - 5V 0,5A - Pololu 2843

A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 5.1 V to 36 V to an output value of 5.0 V. The maximum continuous current...
4.6 (4)
Index: PLL-03110
Index: PLL-03110
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D-SUN Step-down Voltage Regulator - 1,0V-17V 1,8A

Module with step-down converter. Input voltage from 4.75 V to 23 V. Maximum continuous output current 1,8 A. Output voltage adjustable from 1.0 V to 17 V.
5.0 (8)
Index: MOD-08229
Index: MOD-08229
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Step-Down Voltage Regulator D24V5F3 - 3,3V 0,5A - Pololu 2842

A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 3.4 V to 36 V to an output value of 3.3 V. The maximum continuous current...
5.0 (5)
Index: PLL-03109
Index: PLL-03109
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Step-Down Voltage Regulator XL4015 - 1,3V-36V 5A

Module with XL4015 step-down pulse inverter. Input voltage from 3.3 V to 36 V. Maximum continuous output current 5 A. Output voltage adjustable from 1.3 V to 36 V.
4.9 (15)
Index: MOD-08103
Index: MOD-08103
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Step-Down Voltage Regulator - adjustable 3,3V - 25V 5A - DFRobot DFR0205

Inverter module for converting input voltage from 3.6 V to 25 V, to output voltage from 3.3 V to 25 V. The current capacity for 5 V is 5 A. The input voltage must be higher...
5.0 (4)
Index: DFR-15090
Index: DFR-15090
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AP63203 - step-down BabyBuck voltage regulator - 3,3V 2A - SparkFun COM-18357

Step-down converter , made by SparkFun. The AP63203 voltage regulator changes the input voltage from 3.8 V to 32 V to the output: 3,3 V . The current capacity of the...
5.0 (1)
Index: SPF-20235
Index: SPF-20235
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Step-Down Voltage Converter D36V28F5 - 5V 3,2A - Pololu 3782

Step-down converter with 5 V output voltage and capacity from 2.5 A to 4 A , typical 3.2 A. Powered from 5.3 V to 50 V. The board dimensions are 20 x 18 mm.
5.0 (3)
Index: PLL-17169
Index: PLL-17169
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Step-Down Voltage Regulator D24V6F5 - 5V 0,6A - Pololu 2107

Converter, type step down with an output voltage of 5 V. The maximum current up to 600 mA. Supply voltage ranges from 6 V to 42 V.
5.0 (2)
Index: PLL-01349
Index: PLL-01349
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Hi-Link Power Supply HLK-PM03 100V-240VAC / 3.3VDC - 1A

The HLK-PM03 power supply from Hi-Link converts mains voltage (AC) from 100 V to 240 V into 3.3 V direct current (DC) with a current capacity of 1 A. It is ideal for powering...
5.0 (4)
Index: DNG-10928
Index: DNG-10928
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5V/1A Converter Module - ME3116AM6G - Unit Expansion Module for M5Stack Development Modules

Unit type extension compatible with M5Stack product series - M5Stack Core, M5Stack Atom and M5Stick. The module is equipped with ME3116AM6G chip which reduces the input...
5.0 (1)
Index: MSS-20160
Index: MSS-20160
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Step-Down Voltage Regulator D24V3F5 - 5V 0,3A - Pololu 2098

Step-down converter with 5 V output voltage. Maximum current up to 300 mA. Supply voltage in the range of 6 V - 42 V.
Index: PLL-01331
Index: PLL-01331
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Step-Down Voltage Regulator D24V22F3 - 3,3V 2,6A - Pololu 2857

Step-down converter with 3.3 V output voltage. The maximum current is 2.6 A. The supply voltage is in the wide range from 4 V to 36 V. The module dimensions are 18 x 18 mm.
5.0 (1)
Index: PLL-04977
Index: PLL-04977
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SparkFun BabyBuck Regulator Breakout - step-down 5V 3A - AP63357 - SparkFun COM-21256

The step-down converter in the BabyBuck version equipped with the AP63357 voltage regulator by Diodes Inc. Using it, you can convert the input voltage in the range from 6 V...
Index: SPF-22681
Index: SPF-22681
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Step down converter 1,8V-5,1V 18A 60W - adjustable - DFRobot DFR1025

The DC-DC converter from DFRobot lowers the input voltage in the range from 9 V to 15 V and allows you to obtain a voltage from 0.6 V to 5.1 V. What's more - the module also...
5.0 (1)
Index: DFR-22930
Index: DFR-22930
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Step-Down Voltage Regulator D24V5F12 - 12V 0,5A - Pololu 2846

A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 12.1 V to 36 V to an output value of 12.0 V. The maximum continuous current...
5.0 (2)
Index: PLL-03113
Index: PLL-03113
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Step-Down Voltage Converter D24V22F5 - 5V 2,5A - Pololu 2858

Converter, type step down, with an output voltage of 5 V. Maximum current is 2.5 A. The voltage is in the range of 5.3 V to 36 V. Module dimensions - 18 x 18 mm.
Index: PLL-04978
Index: PLL-04978
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Step-Down Voltage Regulator D24V3F12 - 12V 0,3A - Pololu 2100

Step-down converter with 12 V output voltage. Maximum current up to 300 mA. Supply voltage in the range 14 V - 42 V.
5.0 (1)
Index: PLL-01351
Index: PLL-01351
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Step-Down Voltage Converter D36V28F12 - 12V 2,4A - Pololu 3786

Small step-down converter with 12 V output voltage and 2.4 A current capacity. Powered by 12.9 V to 50 V . The module dimensions are 20 x 18 mm.
5.0 (3)
Index: PLL-17175
Index: PLL-17175
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AP63203 - step-down Buck voltage regulator with screw connector - 3,3V 2A - SparkFun COM-18356

A voltage regulator in the form of a step-down converter, made by SparkFun. The AP63203 converter is designed to change the input voltage from 3.8 V to 32 V to the output:...
Index: SPF-20234
Index: SPF-20234
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SparkFun Buck Regulator Breakout - step-down 1,8V 2A - AP3429A - SparkFun COM-21338

Step-down converter equipped with the AP3429A voltage regulator by Diodes Inc. The module lowers the input voltage, which is in the range from 2.7 V to 5.5 V, giving the...
Index: SPF-23027
Index: SPF-23027
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Step-Down Voltage Regulator D24V25F5 - 5V 2,5A - Pololu 2850

Step-down converter with 5 V output voltage. The maximum current is 2.5 A. The supply voltage is in the wide range from 6 V to 38 V. The module dimensions are 18 x 18 mm.
5.0 (1)
Index: PLL-02753
Index: PLL-02753
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Principle of the step-down converter 

Step-down converters act as stabilizers and are a much more powerful alternative for them. That is why they are so popular. The task of linear stabilizers is to maintain a constant output voltage, which is possible thanks to additional elements, among which very often is a transistor. The output voltage is controlled by the control system. If necessary, it additionally corrects the voltage, which translates into no power supply interference. At the same time, you have to reckon with the impossibility of changing the voltage and the surpluses, which are converted into heat. 

The principle of the step-down converter is simpler. The key element is a coil that is cyclically energized. The voltage boost is achieved by adding the voltage in the coil to the input. A lowering system is created in the opposite situation. For the system to work properly, however, the coil must be charged with electricity. During this time, you cannot supply power to the receiver that is connected to the output. This is because otherwise the output voltage could fluctuate. 

Where are step-down converters used? 

Step-down converters are used to convert constant voltage. They are characterized by very good efficiency and low power losses, which is their main advantage. For this reason the converters are perfect for all systems that are powered by batteries. Their high efficiency causes them to heat up slightly, unlike stabilizers, which convert the resulting excess voltage into heat. You should pay attention to the supply voltage. A better solution is high voltage and the possibility to lower it if necessary than low voltage and then the need to raise it. This is because raising the voltage is usually more effective and efficient than lowering it. 

Parameters of the converters

Like any device, the step-down converter also has specific parameters that are crucial for its efficiency and performance. The input and output voltage range and the maximum output current must be considered. There are models in which it is possible to set the output voltage value by yourself. A miniature size potentiometer is used for this purpose. The selected type of inverter is also important. It may turn out that it will generate a fixed output voltage, but its supply voltage is already required slightly higher. For the maximum output current, manufacturers usually give a value for optimal operating conditions. To learn more detailed parameters, it is necessary to analyze the graphs from which we learn more about the output parameters in specific circumstances and situations. 

Check out our step-down converters! There are also step-up converters available in the Botland store.