Step-Down Voltage Regulator D24V150F12 - 12V, 15A - Pololu 2885

Index: PLL-07617 EAN: 5904422365752

Step-down converter with 12 V output voltage. The maximum current is 15 A. Supply voltage is within a wide range from 14.5 V to 40 V. Module dimensions are 43 x 32 mm.

Step-Down Voltage Regulator D24V150F12 - 12V, 15A - Pololu 2885
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D24V150F inverter - voltage:
Manufacturer: Pololu

Specification of the D24V150F12 converter

  • Input voltage: from 14.5V to 40V
  • Output voltage: 12 V
  • Output voltage accuracy: 4 %
  • Continuous output current: 15 A
  • Efficiency: 80% to 95%
  • Integrated protection against overcurrent, overvoltage and overtemperature
  • Four mounting holes with 2,2 mm diameter
  • Dimensions: 43 x 32 x 11 mm
  • Weight (without connectors): 19 g

Product description: D24V150F12 - 12V 15A step-down converter - Pololu 2885

Step-down (buck) converter used to power 12 V systems. The advantage of the system is a wide range of input voltages from 14.5 V to as much as 40 V.

The D24V150F12 module allows to draw current up to 15 A. In our offer are also available step-down converters of the series D24VxFy with different maximum voltages and currents.

Inverter pinouts

Pin Description
VIN Input voltage from 14.5 V to 40 V.
GND Ground potential.
VOUT Output voltage.
ENABLE Applying a low voltage state below 1 V) causes the circuit to go into a low power state (about 10 μA). The pin is pulled up to the supply voltage through a 100 kΩ resistor, making the circuit on by default.
PG Energy Meter. An open-drain output that goes low when the voltage drops below 85% of nominal or rises above 115%. Use an external pull-up resistor to use this pin.
MOD Mode pin, internally pulled low, which selects the fixed frequency mode. Pulling up to high reduces the resting current (while increasing efficiency) at low loads (on the order of a few milliamps). Function available when the input voltage is much higher than the output voltage.

The connectors are properly signed on the board. Pinout is 2.54 mm (goldpin). The module can be plugged into a contact board, connected with wires or soldered into a dedicated PCB.

System efficiency

Efficiency is defined as the ratio of output power to the input power (Power out)/(Power in). It is a very important parameter in the case of work with portable sources of energy (batteries and accumulators), where the time of work on one charging cycle counts. The efficiency of this pulse circuit is about 80 % - 95 %.

Drop-out voltage

This parameter is defined in the documentation as drop-out voltage is necessary for the proper functioning of the system, minimum difference between input and output voltage. For example, if the drop-out is 1 V and the desired output voltage is 5 V, the value of the supply voltage should be higher than 6 V. The figures below show the drop-out voltage value for D24VxFx converters.

Length 43 mm
Width 32 mm
Height 11 mm
Voltage to 14.5 V
Voltage from 40.0 V
Voltage output from 12.0 V
Output voltage to 12.0 V
Nominal output voltage 12.0 V
Current 15 A
Stabilizer - Type2 switching
Stabilizer - Type step-down
Package width 8 cm
Package height 1 cm
Package depth 11 cm
Package weight 0.024 kg

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