Step-Down Voltage Regulator D24V6AHV - 4V-25V 0,6A - - Pololu 2104

Index: PLL-00657

A small step-down pulse inverter module. Input voltage 4.5 V to 42 V. Adjustable range output voltage: 4 V TO 25 V. Maximum output current is 600 mA.

Step-Down Voltage Regulator D24V6AHV - 4V-25V 0,6A - - Pololu 2104
€7.24 tax excl.
Manufacturer: Pololu


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Product description: Pololu D24V6AHV - step-down 4 V - 25 V 0.6 A

  • Dimensions: 23 x 17 x 5 mm
  • Cable length:
  • Cables to the motor: 55 mm
  • Wires to the package: 75 mm
  • Cable to the receiver: 95 mm
  • Weight (with wires): 8 g
  • Operating current: continuous 10A / 10 min
  • Max. operating current (peak): 15A
  • Plug in the receiver: type JR
  • Number of cells: 2 - 3 LiPo
  • Operating voltage: 7,4 - 11,1V
  • Built-in functions: brake programming, timing

Polol D24V6AHV - 4 V - 25 V step-down converter 0.6 A

The module has four outputs:

  • VIN- input voltage,
  • GND- mass potential,
  • VOUT- output voltage,
  • SHDN- system shutdown.

If theSHDNpin shows a low state (below 0.3 V), the inverter is switched off and the current consumption does not exceed 20 uA. If the high state (above 2.3 V) appears on the SHDN pin, the system will be activated again. The output can be permanently connected to the VIN or left unconnected if the shutdown mode is not used.

The connectors are properly signed on the board. The output roster is 2.54 mm (popular goldpin connectors). The module can be plugged intoa contact board, connected withwiresor soldered into a dedicated PCB.

Output voltage is determined by means of a potentiometer. Setting the voltage higher than input will not damage the system. However, large oscillations will occur. So it is recommended not to set the voltage higher than the input one.

Pololu D24V6AHV

Output voltage oscillogram. VIN is 5V. VOUT is set above 5V.

Output voltage selection

Turning the potentiometer clockwise will increase the output voltage.

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 in the case of operation with portable power 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.

Wykres zależności napięcia wyjściowego a pozycją potencjometru

The graph showing the relation between the output five and potentiometer position for 4-25V and 2.5-7.5V converters.

Sprawność przetwornicy step-down

Pololu D24V6AHV

Dangerous voltage pulses

When connecting the power supply to the module, dangerous, short, high amplitude eclectic pulses (so-called pins) may appear, which may permanently damage the system. Polol's tests show that for voltages above 20V, the pins may have an amplitude exceeding 42V. In order to protect against this undesirable phenomenon it is recommended to solder a capacitor of at least 33 uF as close as possible to the pins feeding the converter.

Przetwornica step-down Pololu D24V6AHV

Polol specification D24V6AHV - 4V-25V 0.6A step-down converter

  • Input voltage: 4.5 V to 42 V
  • Output voltage adjustable: 4 V to 25 V
  • Maximum output current: 600 mA
  • 500 kHz switching frequency
  • Built-in protection (breaker) to protect against excessive current consumption and excessive temperature
  • Dimensions: 15.3 x 10.2 x 4 mm
  • Weight: 1g (without connectors)
Length 15 mm
Width 10 mm
Height 4 mm
Voltage to 4.5 V
Voltage from 42 V
Voltage output from 4.0 V
Output voltage to 25 V
Current 0.6 A
Stabilizer - Type2 switching
Stabilizer - Type step-down
Package width 0.001 cm
Package height 0.001 cm
Package depth 0.001 cm
Package weight 0.001 kg

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