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An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4853
The D30V33 module is a high-efficiency buck (step-down) voltage converter that reduces input voltage to a lower value within the range of 1.4 V to 7 V. The device supports input voltages up to 45 V, and thanks to switching (SMPS) technology, it is significantly more efficient than linear voltage regulators, especially with large input-to-output voltage differences. The converter can provide a continuous output current from 3 A to 5 A, depending on voltage levels. It also features multiple protection mechanisms, including reverse polarity protection (up to 40 V), overvoltage protection, overload protection, and short-circuit protection. Additionally, the thermal shutdown function prevents overheating, while the soft-start feature limits inrush current and smoothly increases output voltage during startup.

The device has six pins: power good (PG), enable (EN), input voltage (VIN), output voltage (VOUT), and two ground (GND) terminals. The PG output signals when the output voltage exceeds permissible deviations, while the EN pin allows the module to switch to low-power mode.

The converter features high efficiency, ranging from 80% to 95%, depending on load conditions and input/output voltages. It operates at a switching frequency of approximately 700 kHz and supports a power-saving mode at low loads. Thanks to the spread spectrum function, it reduces electromagnetic interference (EMI). The module has a compact design and includes a mounting hole compatible with M2 screws. With a standard 2.54 mm pin spacing, it can be easily integrated with breadboards and other prototyping systems.
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
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 4855
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
Efficient step-down converter that reduces the input voltage from up to 45 V to a regulated output voltage range from 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in protection against reverse polarity, overload and short circuit, and the spread spectrum function reduces EMI interference. The module is equipped with an additional potentiometer for adjusting the cut-off voltage. Pololu 4852
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A power supply based on a DC-DC converter with a current capacity of up to 6.1 A. The input voltage can range from 6 V to 30 V, while the output voltage is adjustable from 0 V to 36 V. XYL3606S
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                    An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4853