Power Supply Types

Linear Power Supply


A linear power supply regulates the output voltage by dropping excess voltage in a series dissipative component. They use a moderately complex regulator circuit to achieve very low load and line regulation. Linear regulated power supplies also have very little ripple and very little output noise. Typical applications of Linear regulated power supplies include but not limited to:

  1. low noise amplifiers

  2. signal processing

  3. data acquisition - including sensors, multiplexers, A/D converters, and sample & hold circuits.

  4. automatic test equipment

  5. laboratory test equipment

  6. control circuits

  7. anywhere that excellent regulation and/or low ripple is required

Switching Power Supply


A Switching power supply (also known as switch mode power supply) regulates the output voltage by the use of a complex high frequency switching technique. They have good load and line regulation, but somewhat higher ripple and output noise than linear regulated power supplies in high frequency. They also have slower transient response, but higher efficiency. Typical applications for switching power supplies include:

  1. general purpose use

  2. high power / high current applications

  3.  as electroplating and anodizing rectifiers

  4.  Battery charging for Lithium Polymer (LiPo), Lithium Ion, Lithium Manganese, A123 (LiFePO4), NiCd, NiMH, Lead Acid batteries (Flooded, Gel, AGM, SLA), etc.

  5.  electrolysis, hydrogen generator, fuel cell applications, etc.

  6.  DC motors, slot cars, aviation applications, etc.

  7. small size & light weight

  8. long hold-up time

  9. high efficiency

  10. Power Factor Correction

  11. wide input range

  12. digital circuits

In particular, we recommend using our EX models for battery charging, anodizing, electroplating (use as plating rectifiers), electrolysis, hydrogen generation applications, because of their built-in over-voltage and over-current protection capabilities.