February 14, 2025

6V, 12V and 24V Buck-Boost DC/DC Converters

High power 12 volt to 6 volt, 12 volt to 12 volt, 24 to 24 volt, and 24 to 19 volt DC/DC Buck-Boost converters at low cost. Suitable for voltage stabilization of automobile electronics, special purpose UPS, etc.

showing the difference between the buck boost and other converters

Step-up and step-down converters are limited in their regulation, the UDC covers both regimes

These are Buck-Boost DC/DC Converters. Buck-boost means that the topology will allow the DC input voltage to be higher or lower than the output voltage, which makes the design very flexible for semi-custom designs. For example, you can specify a factory set output voltage from 13.8 to 24 volts with a minimum order of 10 pieces.

Price/Quantity	1-10	11-100	101-500
PST-DC/1260-11 12/6 volt DC/DC regulator Also known as UDC-1260-11	$177	$159	$145

PST-DC/2419-5 24/19 volt DC/DC converter 24V/19V DCDC converter Also known as UDC-2419-5	$177	$159	$145
PST-DC/2424-4 24/24 volt DC/DC regulator 24V/24V DCDC regulator Also known as UDC-2424-4	No longer available, click here for more 24V/24VDC converters	$159	$145

Model Number	PST-DC/1260-11 UDC1260-11	PST-DC/2419-5 UDC-2419-5	PST-DC2424-4 UDC-2424-4
Input Voltage Range	10V - 15V DC (Nominal 12VDC)	18-30 VDC Nominal 24V DC	18-30 VDC
Output Voltage	6 volts	19 volts (inquire for custom voltage)	24 volts (inquire for custom voltage)
Output Voltage Adjustment Range	5.5 to 6.5 volts by internal pot	16.2 to 22 by internal pot VR4 (near C2)	21.4-28.4 by internal pot VR4 (near C2)
Continuous Current at nominal voltage	11 Amps	5 Amps	4 Amps
Continuous Output Power	100 Watts	100 Watts	100 Watts
Peak Output Power	120 Watts (case gets to 60°C at 120 Watts continuous, external cooling can extend)
Peak Output Current
No-Load Overhead	<100 mA
Line Regulation	1%
Load Regulation	3%
Efficiency	>75-85%
Isolation	Common ground
Protection	(1) Input polarity protection. (2) Input low voltage drop out [power off reset] (3) Input high voltage protection [power off reset] (4) Output short circuit protection [auto reset (5) Output current limit [auto resume] (6) Over temperature protection [power off reset]
Dimensions	300mm x 88mm x 42mm (L x W xH) (11.8 in x 3.5 in x 1.7 in) See drawing
Drawing	Click Here for Drawing
Weight	1.5 kg, 3.3 pounds
Temperature Range	0-55°C
Connections	Input & Output Binding Posts (Red: “+” ; Black “-“)

Advantages:

Designed for converting an unregulated/unstable dc voltage to a regulated dc voltage.
Suitable for marine and automotive applications
Isolated with input and output common ground
Good load and line regulations
Wide input voltage input range
Fully electrical protected
Anodized blue colour aluminium extrusion housing

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

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

High efficiency 75-85%.

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Sunday, 23-Mar-2025 07:44:19 EDT

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