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Step-Down Voltage Regulator D24V5F12 - 12V 0,5A - Pololu 2846
A step-down pulse inverter module with an efficiency of 80 % - 93 %. Converts the input voltage from 12.1 V to 36 V to an output value of 12.0 V. The maximum continuous current is 0.5 A.
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Product description: PololyolD24V5F12 - step-down converter - 12 V 0.5 A.
The DC-DC pulse controller converts the input voltage from12.1 V* to 36 Vinto a12.0 Voutput value. It allows for current consumption of up to 0.5 A. The system has a high efficiency of 80 % - 93 %.
Pololu D24V5F12 - step-down converter - 12 V 0.5 A.
Quotations
The module has four outputs:
- VIN- input voltage.
- GND- ground potential.
- VOUT- output voltage.
- SHDN- low state (below 0.4 V) switches the system into low power mode, where it consumes only 10 uA - 20 uA for each Volt of supply voltage. Pin is pulled to VIN by default through a 100 kΩ resistor. If the low-power mode is not usedSHDNcan be left unconnected.
Quotations
- VIN: input voltage.
- GND: ground potential.
- VOUT: output voltage.
- SHDN: low state (below 0.4 V) switches the system into low power mode, where it consumes only 10 uA - 20 uA for each Volt of supply voltage. Pin is pulled to VIN by default through a 100 kΩ resistor. If the low-power mode is not used SHDN can be left unconnected.
You can solder the popular goldpin raster pinned outputs to 2.54 mm (the set is included). The module can be plugged into thecontactboard,connected with wiresor placedin a dedicated printed circuit board.
Botland is an official distributor of Pololu electronics and robotics parts. Countless robots hold at least one component of this brand in their build. Our team guarantees that all Pololu products presented here are original.
Efficiency and output current
Efficiency is defined as the ratio of output power to input power (Power out)/(Power in). This is a very important parameter when working with portable energy sources (batteries and accumulators), where the time of operation on one charging cycle counts. The efficiency dependence on the input voltage is shown in the graphs below.
Voltage drop-out
The graph below shows the drop-out voltage dependence on the output current. For example, at 300 m consumption, the output voltage must be 0.5 V higher with an input value.
Dangerous voltage pulses
When connecting the power supply to the module, dangerous, short, high amplitude eclectic impulses (so-called pins) may appear, which may permanently damage the system. Polol's tests show that for voltages above 20 V, the pins may have an amplitude exceeding 42 V. In order to protect against this undesirable phenomenon, it is recommended to solder a capacitor of at least 33 uF / 50 V as close as possible to the pins supplying the converter.
Inverter specifications
- Input voltage: 12.1 V* to 36 V
- Output voltage: 12 V
- Accuracy of output voltage: 4 %
- Maximum output current: 0,5 A
- Switching frequency: 500 kHz
- Built-in security
- against excessive power consumption
- before too high a temperature
- Controller: ISL85415 (documentation)
- Dimensions: 13 x 10 x 3 mm
- Weight: 1 g (without connectors)
* Lower input voltage limit depending on the drop-out voltage -details on the chart.
Useful links
| Name | Value |
|---|---|
| Length | 13 mm |
| Width | 10 mm |
| Height | 3 mm |
| Voltage to | 12.1 V |
| Voltage from | 36 V |
| Voltage output from | 12.0 V |
| Output voltage to | 12.0 V |
| Nominal output voltage | 12.0 V |
| Current | 0.5 A |
| Stabilizer - Type2 | switching |
| Stabilizer - Type | step-down |
| Width | 7.7 cm |
| Height | 0.5 cm |
| Depth | 4.5 cm |
| Weight | 0.002 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
Question: Will this inverter allow the 12V Notcua A4x10 FLX fan (https://noctua.at/en/nf-a4x10-flx) to be safely connected to the Ender 3 V2, in place of the 24V fan?
Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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