Step-down converters are pulse inverters whose operation is based on cyclical connection and disconnection of the coil to the power source. It is an electronic circuit whose task is to lower the input voltage. With a step-down converter, many devices can work properly and operate steadily and for a long time without failure. Step-down converters should have effective protection against excessive temperature and also against excessive voltage. It is thanks to such protection that we can safely use the device and thus work with electronics. Our offer includes step-down converters which differ in technical parameters and size. All of them are equipped with solid protection, which translates into maximum safety of their use. We offer inverters with current capacity from 0,3 A to 15 A. They are equipped with USB sockets, which allows to use the module for charging cell phones.
Sharp GP2Y0A02YK0F - Analog distance sensor 20-150 cm - Pololu 1137
Index: PLL-00073
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DFRobot qualMeter Basic - power supply/charger and USB cable tester
Index: DFR-10166
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Converter VGA - DVI-D 24 + 1 pin with cable 15cm - Akyga AK-AD-50
Index: RCO-14908
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Converters step-down
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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.
Index: MOD-02967
Index: MOD-02967
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
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...
Index: DNG-10929
Index: DNG-10929
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...
Index: DNG-10928
Index: DNG-10928
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
Step-Down Voltage Regulator D24V10F5 - 5V 1A - Pololu 2831
A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 5.1 V to 36 V into a 5 V output value. The maximum continuous current is 1 A.
Index: PLL-03019
Index: PLL-03019
Step-Down Voltage Regultor D24V50F5 - 5V 5A - Pololu 2851
Step-down converter with 5 V output voltage. The maximum current is 5 A. The supply voltage is in the wide range from 6 V to 38 V. The module dimensions are 20 x 18 mm.
Index: PLL-02754
Index: PLL-02754
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.
Index: PLL-01349
Index: PLL-01349
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...
Index: PLL-03109
Index: PLL-03109
Step-Down Voltage Regulator D24V3F3 - 3,3V 0,3A - Pololu 2097
Step-down converter with 3.3 V output voltage. Maximum current up to 300 mA. Supply voltage in the range 3.8 V - 42 V.
Index: PLL-01330
Index: PLL-01330
Step-Down Voltage Regulator D24V6F3 - 3,3V 0,6A - Pololu 2106
Step-down converter with 3.3 V output voltage. Maximum current up to 600 mA. Supply voltage in the range 3.8 V - 42 V.
Index: PLL-01332
Index: PLL-01332
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.
Index: PLL-17169
Index: PLL-17169
Step-Down Voltage Regulator D24V10F12 - 12V 1A - Pololu 2834
A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 12.1 V to 36 V to a 12 V output value. The maximum continuous current is 1 A.
Index: PLL-03022
Index: PLL-03022
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.
Index: PLL-01351
Index: PLL-01351
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...
Index: MSS-20160
Index: MSS-20160
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.
Index: PLL-02753
Index: PLL-02753
Step-Down Voltage Regulator D24V22F9 - 9V 2,3A - Pololu 2861
Step-down converter with 9 V output voltage. The maximum current is 2.3 A. The supply voltage is in the wide range from 9.6 V to 36 V. The module dimensions are 18 x 18 mm.
Index: PLL-04981
Index: PLL-04981
Step-Down Voltage Regulator D36V50F5 - 5V 8A - Pololu 4091
A step-down converter with a 5 V output voltage , operates on an input voltage in the range from 5.5 V to 50 V. The current capacity is 3.5 to 8 A.
Index: PLL-16392
Index: PLL-16392
Step-Down Voltage Regulator D24V22F12 - 12V 2,2A - Pololu 2855
Step-down converter with 12 V output voltage. The maximum current is 2.2 A. The supply voltage is in the wide range from 12.7 V to 36 V. The module dimensions are 18 x 18 mm.
Index: PLL-04851
Index: PLL-04851
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.
Index: PLL-04977
Index: PLL-04977
Step-Down Voltage Regulator D36V6F3 - 3,3V 6A - Pololu 3791
Step-down converter with 3.3 V output voltage. Maximum current up to 600 mA. Supply voltage from 4 V to 50 V.
Index: PLL-15274
Index: PLL-15274
Step-Down Voltage Regulator D24V5F1 - 1,8V 0,5A - Pololu 2840
A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 3 V to 36 V to an output value of 1.8 V. The maximum continuous current is...
Index: PLL-03107
Index: PLL-03107
Step-Down Voltage Regulator D24V5F2 - 2,5V 0,5A - Pololu 2841
A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 3 V to 36 V to an output value of 2.5 V. The maximum continuous current is...
Index: PLL-03108
Index: PLL-03108
Step-Down Voltage Regulator D24V150F5 - 5V, 15A - Pololu 2881
Step-down converter with 5 V output voltage. The maximum current is 15 A. The supply voltage is within a wide range from 6 V to 40 V. Module dimensions are 43 x 32 mm.
Index: PLL-07613
Index: PLL-07613
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.