Pololu 5V, 2.5A Step-Down Voltage Regulator D24V22F5
ID: 561020
5906623437580
zł80.87
Tax included
zł65.75 tax excl.
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36V and efficiently reduces it to 5V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.5A and features reverse voltage protection. Pololu 2858
Description
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36V and efficiently reduces it to 5V. The board measures only 0.7″×0.7″ yet delivers a typical continuous output current of up to 2.5A and features reverse voltage protection.
Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors. An optional shutdown pin enables a low-power state with a current draw of around 20μA to 350μA, depending on the input voltage, and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
The D24V22Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 36V. They are synchronous switching regulators - also called switched-mode power supplies (SMPS) or DC-to-DC converters - with typical efficiencies of 85% to 95%, which is much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. These regulators can typically support continuous output currents of over 2A, though the actual available output current is a function of the input voltage and efficiency. 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 1mA, 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.
Features
- Input voltage:
- 4V to 36V for the version that outputs 3.3V
- [output voltage + dropout voltage] to 36V for output voltages of 5V and higher
- Fixed 3.3V, 5V, 6V, 7.5V, 9V, or 12V output (depending on regulator version) with 4% accuracy
- Typical maximum continuous output current: >2A
- Typical efficiency of 85% to 95%, depending on input voltage, output voltage, and load
- Switching frequency: ~400kHz
- Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, and soft-start
- 1 mA typical no-load quiescent current; 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: 0.7″×0.7″×0.31″ (17.8mm×17.8mm×8mm) - without included optional headers
- Two 0.086″ mounting holes for #2 or M2 screws
561020
Data sheet
- Output voltage
- 5th
- Output current
- 2.5A
- Converter type
- Step-down
- Supply voltage min
- 5,5 V
- Supply voltages max
- 36 V
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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