July 10, 2026

12 volt to 24 volt 15 Amp DC/DC Converters (Regulators)

12 volt to 13.8V dc to dc converter regulator

Small 12 volt to 24 volt DC/DC converters at low cost. Suitable for voltage stabilization of automobile electronics, special purpose UPSs, etc. The extremely high efficiency means that we can do away with extruded aluminum heat sinks.

Regulates the voltage and keeps computers and other equipment from turning of during car starting and other voltage sags

These are non-isolated Boost Converters. which put out 24 volts with an input voltage of 12V nominal.

Model Number	PST-DC1224 $99
Input Voltage Range	9 VDC to 14.5
Output Voltage	24 VDC
Peak Output Power	200 Watts (1 to 5 minutes)
Peak Output Current	8.3 Amps (1 to 5 minutes)
Continuous Current	4.1 Amps
Derating	Derate to 2.5 Amps at 45ºC, 2.0 Amps at 50ºC ambient temperature
Continuous Output Power	100 Watts
No-Load Overhead	<10 mA at 14V input <60 mA at 10V input
Line Regulation	± 0.4 Volts
Load Regulation	± 0.25 Volts
Noise	Dependant on output power, less than 300mV RMS
Isolation	Although the output is isolated from noise, spikes, and voltage sags on the input, the input and output grounds are common, so this dc to dc converter is not usable in positive ground cars without totally isolating the equipment being powered from the frame of the car.
Protections	Over-Voltage and Short Circuit Protection Output Over current Shut Down Over Temperature protection
Operation Temperature	-40 to +80ºC
Reverse Polarity	Protected from reverse polarity
Efficiency	Typically 93%
Connections	Screw terminals rated at 32A, accept 26-10AWG wires
Weight	215 grams
Dimensions	2.8 x 3.8 x 1.3 inches, length 5" including flanges
Note	The continuous power rating is based on thermal dissipation. Bolting the base to a metal plate and/or having cooling air flow will help.

Advantages:

Inexpensive high current DC/DC converter stabilizes voltage in automotive applications.

Also can be used to provide regulated 24 volts from a sealed lead acid battery--excellent for special purpose UPS DC battery backups.

High efficiency >93% at full power and 12V or higher input.

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