Switching Power Supply


What Is a Switching DC Power Supply?

A switching dc power supply, also known as a switch mode dc power supply, uses semiconductor chips to turn on and off the AC voltage very rapidly to change the output dc voltage, hence the name switching. A switching power supply is typically very efficient in energy use, and is more compact and weighs less than a linear power supply with a similar output. Volteq switching power supplies are designed to have very clean dc output and long life through over-voltage protection.


What Does a Switching DC Power Supply Do?

While switching power supplies are used as dc power source in alll kinds of electronic equipments like computuers, home electronics, and telecommunications equipements as components, the adjustable switching power supplies that we make are general purpose, standalone power sources that are used where a user demands higher power, better control, and more flexibility. Typical appliations indlude:

  • general purpose use including R&D, manufacturing and testing
  • high power / high current applications
  • communications systems, mobile stations, network equipments, etc.
  • electroplating, anodizing, electroforming, electrophoresis, etc.
  • Battery charging for Lithium Polymer (LiPo), Lithium Ion, Lithium Manganese, NiCd, NiMH, Lead Acid batteries (Flooded, Gel, AGM, SLA), etc.
  • electrolysis, waste treatment, hydrogen generator, fuel cell applications, etc. 
  • DC motors, slot cars, aviation and marine applications, etc.

Why is a power supply called a Switching DC Power Supply?

A switching dc power supply uses semiconductor switching technologies such as MOSFETs and IGBT that operates in the 100KHz range as a critical part of design. As such, the power supply is called a switching power supply, a switch mode power supply, or sometimes simply as a switcher.


How to select a dc power supply for my application?


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Output leads for Variable Linear Power Supplies with output 20A or less

Output leads for Variable Linear Power Supplies with output 20A or less

$20.00 $9.95

For sale is a set of output leads / test leads that will work for any linear power supplies we sell that has output e…

Output leads for Variable Switching DC Power Supplies with output less than 900W

Output leads for Variable Switching DC Power Supplies with output less than 900W

$20.00 $9.95

For sale is a set of output leads / test leads that will work for the following switching DC power supply models: …

Output Leads for Variable Switching DC Power Supplies with output 900W or more

Output Leads for Variable Switching DC Power Supplies with output 900W or more

$30.00 $14.95

For sale is a set of output leads / test leads that will work for the following switching DC power supply models: …

Output leads for Variable Switching DC Power Supplies with output 80A or more

Output leads for Variable Switching DC Power Supplies with output 80A or more

$40.00 $19.95

For sale is a set of output leads / test leads that will work for the following switching DC power supply models: &…

30V 10A Regulated Switching DC Power Supply HY3010EX Over Voltage Protection

30V 10A Regulated Switching DC Power Supply HY3010EX Over Voltage Protection

$300.00 $199.95

VOLTEQ HY3010EX is the updated version of HY3010E with built-in over-voltage and reverse-voltage protection, ideal fo…

Regulated Switching DC Power Supply HY1520EX 15V 20A

Regulated Switching DC Power Supply HY1520EX 15V 20A

$280.00 $199.95

VOLTEQ HY1520EX is a high current regulated switching DC power supply with built-in over-voltage and over-current p…

Regulated Variable Switching DC Power Supply HY3020EX 0-30V 0-20A

Regulated Variable Switching DC Power Supply HY3020EX 0-30V 0-20A

$400.00 $229.95

  VOLTEQ HY3020EX is a high current, high voltage regulated switching DC power supply, and is similar to …

Regulated Variable DC Power Supply HY3020EX 0-30V 0-20A for Anodizing, Plating

Regulated Variable DC Power Supply HY3020EX 0-30V 0-20A for Anodizing, Plating

$400.00 $229.95

VOLTEQ HY3020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3020E bu…

Regulated Varaible Switching DC Power Supply HY3020EX 30V 20A Battery Charging and Equalizing

Regulated Varaible Switching DC Power Supply HY3020EX 30V 20A Battery Charging and Equalizing

$400.00 $229.95

  VOLTEQ HY3020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3…

Programmable DC Power Supply HY3020EP 0-30V 0-20A

Programmable DC Power Supply HY3020EP 0-30V 0-20A

$500.00 $269.95

Volteq HY3020EP is a programmable DC power supply with built-in Arduino Micro controller. If you are familia…

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