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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Mastech Regulated Variable Switching DC Power Supply 30V 10A HY3010E

Mastech Regulated Variable Switching DC Power Supply 30V 10A HY3010E

$300.00 $289.95

This model is replaced with updated model HY3010EX.   Got a question? Call us at 408-622-9851. M…

Regulated Variable Switching DC Power Supply HY1530EX 0-15V 0-30A

Regulated Variable Switching DC Power Supply HY1530EX 0-15V 0-30A

$419.95 $289.95

VOLTEQ HY1530EX is a high current regulated switching DC power supply with built-in over-voltage and over-current p…

30V/10A Regulated Switching DC power supply

30V/10A Regulated Switching DC power supply

$550.00 $299.95

This model is discontined, please check out our new model HY3010EX, which has over-voltage protection.   M…

VARIABLE SWITCHING DC POWER SUPPLY 50V 20A HY5020E 1000W

VARIABLE SWITCHING DC POWER SUPPLY 50V 20A HY5020E 1000W

$550.00 $299.95

Note: if you plan to use this for battery charging or electrochemical applications like plating and eletrolysis, pl…

Variable Regulated Switching DC Power Supply HY5020EX 50V 20A

Variable Regulated Switching DC Power Supply HY5020EX 50V 20A

$550.00 $299.95

VOLTEQ HY5020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY5020E bu…

Regulated DC Power Supply HY3030EX 0-30V 0-30A for Plating, Anodizing, Electrolysis

Regulated DC Power Supply HY3030EX 0-30V 0-30A for Plating, Anodizing, Electrolysis

$650.00 $299.95

VOLTEQ HY3030EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3030E bu…

Regulated Variable Switching DC Power Supply HY3030EX 0-30V 0-30A

Regulated Variable Switching DC Power Supply HY3030EX 0-30V 0-30A

$650.00 $299.95

VOLTEQ HY3030EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3030E bu…

Variable Switching DC Power Supply HY5020EX 50V 20A Over Voltage Over Current Protection

Variable Switching DC Power Supply HY5020EX 50V 20A Over Voltage Over Current Protection

$550.00 $299.95

VOLTEQ HY5020EX is a high current, high voltage regulated switching DC power supply, and is similar to HY5020E bu…

Switching DC Power Supply HY3030EX 0-30V 0-30A

Switching DC Power Supply HY3030EX 0-30V 0-30A

$650.00 $299.96

VOLTEQ HY3030EX is a high current, high voltage regulated switching DC power supply, and is similar to HY3030E bu…

MASTECH VARIABLE REGULATED SWITCHING DC POWER SUPPLY 30V 20A HY3020E 600W

MASTECH VARIABLE REGULATED SWITCHING DC POWER SUPPLY 30V 20A HY3020E 600W

$400.00 $329.95

Note: this product is temporarily out of stock, please check our new and improved model Volteq HY3020EX. Got a…

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