Pololu 5V, 2.5A Step-Down Spannungsregler D24V22F5

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Pololu

Pololu 5V, 2.5A Step-Down Spannungsregler D24V22F5

SKU: PO2858

5.0 / 1 review

14,22 €

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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"x0.7" 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. More product details

Product Information

Product safety information

Manufacturer information:

Pololu Corporation
Pilot Rd. 920
Nevada
Las Vegas, Vereinigte Staaten, 89119
[email protected]
https://www.pololu.com/

Responsible person:

Eckstein GmbH
Am Ostbahnhof 3
Niedersachsen
Clausthal-Zellerfeld, Deutschland, 38678
[email protected]
https://eckstein-shop.de

Dimensions and Weight
GTIN:	4060137015908
HAN:	2858
Category:	Step-Down
Regulator-Function:	Step-Down
Output-Type:	fixed
Output Voltage:	5V
Operating Voltage max.:	36V
Operating Voltage min.:	5.3V
Continuous Output Current:	2.2A
Quiescent Current max.:	3mA
Storage Tiers:	Tier3
Shipping weight:	0,01 kg
Item weight:	0,00 kg
Dimensions ( Length × Width × Height ):	1,80 × 1,80 × 0,80 cm

Product Description

Überblick

The D24V22Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 36 V. 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 2 A, though the actual available output current is a function of the input voltage and efficiency (see the Typical efficiency and output current section below). 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 1 mA, and an enable pin can be used to put the boards in a low-power state that reduces the quiescent current to approximately 5 µA to 10 µA 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.

The different voltage versions of this regulator all look very similar, so you should consider adding your own distinguishing marks or labels if you will be working simultaneously with multiple versions. This product page applies to all versions of the D24V22Fx family.

The D24V22Fx family is intended to replace our older D24V25Fx family of step-down voltage regulators. The two designs have the same size and similar current capabilities and input voltage ranges, but they do not have the same pinout and are based on different internal circuits, so there are fundamental differences in operation. In particular, these newer D24V22Fx regulators have much lower dropout voltages and provide a "power good" signal, and the newer design allows for higher output voltages (e.g. 12 V).

Eigenschaften

Input voltage:
- 4 V to 36 V for the version that outputs 3.3 V
- [output voltage + dropout voltage] to 36 V for output voltages of 5 V and higher (see below for more information on dropout voltage)
Fixed 3.3 V, 5 V, 6 V, 7.5 V, 9 V, or 12 V output (depending on regulator version) with 4% accuracy
Typical maximum continuous output current: >2 A
Typical efficiency of 85% to 95%, depending on input voltage, output voltage, and load
Switching frequency: ~400 kHz
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" (17.8 mm × 17.8 mm × 8 mm)
Two 0.086? mounting holes for #2 or M2 screws

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24.02.2018 Verified purchase

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klein und gute regelung, noch nie Ausfälle erlebt

Claus P

Bedienungsanleitung

Manufacturer according to GPSR
Pololu Corporation, Pilot Rd. 920, 89119 Las Vegas, Nevada, Vereinigte Staaten, [email protected], https://www.pololu.com/
Responsible person according to GPSR
Eckstein GmbH, Am Ostbahnhof 3, 38678 Clausthal-Zellerfeld, Niedersachsen, Deutschland, [email protected], https://eckstein-shop.de

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Pololu 5V, 2.5A Step-Down Spannungsregler D24V22F5

Dimensions and Weight

Überblick

Eigenschaften

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Bedienungsanleitung

Pololu 5V, 2.5A Step-Down Spannungsregler D24V22F5

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