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Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4854
The Step-Down Converter D30V3x is a buck-type voltage regulator module that reduces output voltages from input voltages up to 45 V. It offers significantly higher efficiency compared to linear regulators, especially when there is a large difference between input and output voltages. This converter can handle continuous output currents ranging from 1 A to 4.5 A, depending on the input and output voltages.
The module allows for output voltages from 4.2 V to 15 V thanks to an 11-turn potentiometer. It also includes a potentiometer for adjusting the under-voltage cut-off.

The converter is equipped with protection against reverse voltage up to 40 V, an input undervoltage lockout, and protection against overcurrent and short-circuit. Additionally, the over-temperature protection feature prevents damage from overheating, and the soft start function limits the inrush current and gradually increases the output voltage during startup.
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
DC-DC Step-Down converter module. It has an input voltage from 12 to 45 V, an output voltage of 12 V and a maximum output current of up to 2.8 A. Pololu 4896
DC-DC Step-Down converter module. It has an input voltage from 15 to 45 V, an output voltage of 15 V and a maximum output current of up to 2.7 A. Pololu 4897
DC-DC Step-Down converter module. It has an input voltage from 3.3 to 45 V, an output voltage of 3.3 V and a maximum output current of up to 3.7 A. Pololu 4891
DC-DC Step-Down converter module. It has an input voltage from 5 to 45 V, an output voltage of 5 V and a maximum output current of up to 3.4 A. Pololu 4892
DC-DC Step-Down converter module. It has an input voltage from 6 to 45 V, an output voltage of 6 V and a maximum output current of up to 3.3 A. Pololu 4893
The step-down converter module allows for voltage reduction from 7.5–60 V to a stable 7.5 V at currents up to 10 A. High efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5674
No product available!
Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4875
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No product available!
The compact (0.4″ × 0.5″) D24V5F1 synchronous buck voltage regulator takes input voltages between 3 V and 36 V and efficiently reduces them to 1.8 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 75% and 90%. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
DC-DC Step-Down converter module. It has an input voltage from 15 to 45 V, an output voltage of 15 V and a maximum output current of up to 2.7 A. Pololu 4897
The step-down converter module allows for voltage reduction from 8.4–60 V to a stable 8.4 V at currents up to 10 A. High efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5675
No product available!
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V with an available output current of around 9 A.
The step-down converter module allows you to reduce the voltage from 24-60 V to a stable 24 V at a current of up to 8 A. High efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device has built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5684
No product available!
DC-DC Step-Down converter module with 5V output voltage and 1A output current. The module can be a replacement for the popular LM7805 regulator.
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 6 V with an available output current of around 15 A. Pololu 2882
No product available!
DFR0379
Step-Down converter with adjustable or constant output voltage from 0.8 to 17 V, input voltage from 4.5 to 24 V and a maximum current of up to 3 A
Step-Down converter with an output voltage of 5 V, an input voltage of 6.5 to 16 V and a maximum current of 4 A
No product available!
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 3.3 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 80% to 95% make this regulator well suited for powering moderate loads like sensors or small motors.
No product available!
Step-Down DC-DC converter module based on the D24V150F7 chip. Input voltage 9..40V, output voltage 7.5V (max 15A). Pololu 2883
No product available!
An efficient step-down converter that reduces the input voltage to 3.3 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 3.3 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5372
Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4854