Pololu 5V, 15A Step-Down Voltage Regulator D24V150F5
ID: 563205
5906623478286
zł459.00
Tax included
zł373.17 tax excl.
This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40V and efficiently reduces it to 5V with an available output current of around 15A. Typical efficiencies of 80% to 95% along with its high current capabilities make this regulator well suited for powering large loads. Pololu 2881
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Description
The D24V150Fx family of step-down voltage regulators are high-current synchronous switching regulators that generate lower output voltages from input voltages as high as 40V. These types of regulators are also known as switched-mode power supplies (SMPS) or DC-to-DC converters, and they are much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. In particular, the D24V150Fx family of regulators have typical efficiencies of 80% to 95%, depending on factors like input voltage, output voltage, and load.
These regulators have an instantaneous current limit of approximately 32A, but they are limited in the long term to much lower currents by power dissipation and the corresponding temperature rise that induces in the board. The regulators can typically support continuous output currents between 5A and 20A without additional cooling (such as with a heat sink or forced airflow), depending on the input voltage and output voltage. In general, the available output current is a little higher for the lower-voltage versions than it is for the higher-voltage versions, and it decreases as the input voltage increases.
These regulators have a typical quiescent (no load) current draw of around 100mA, and an enable pin can be used to put the boards in a low-power state that reduces the quiescent current to approximately 5µA to 10µA per volt on VIN.
The modules have built-in reverse-voltage protection, short-circuit protection, a thermal shutdown feature that helps prevent damage from overheating, and a soft-start feature that reduces inrush current. They also feature undervoltage lockout that disables the regulator if the input voltage falls below about 3.5 V.
Features
- Input voltage:
- 4.5V to 40 V for the version that outputs 3.3V
- [output voltage + dropout voltage] to 40V for output voltages of 5V and higher (see below for more information on dropout voltage)
- Fixed 3.3V, 5V, 6V, 7.5V, 9V, or 12V output (depending on regulator version) with 4% accuracy
- Typical maximum continuous output current between 5A and 20A
- Typical efficiency of 80% to 95%, depending on input voltage, output voltage, and load
- Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, undervoltage lockout, and soft-start
- Typical no-load quiescent current of 100mA ; this can be reduced to approximately 5 µA to 10 µA per volt on VIN by disabling the board
- “Power good” output indicates when the regulator cannot adequately maintain the output voltage
- Compact size: 1.7″ × 1.25″ × 0.43″ (43.2 mm × 31.8 mm × 11 mm)
- Four 0.086″ mounting holes for #2 or M2 screws
563205
Data sheet
- Output voltage
- 5th
- Output current
- 15 A
- Converter type
- Step-down
- Supply voltage min
- 6 V
- Supply voltages max
- 40 V
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