Switch mode power supply (SMPS) transformers are a highly efficient form of transformer, used in devices like personal computers.
A switch mode power supply is an electronic power supply that incorporates a switching regulator to efficiently convert electrical power. Like other power supplies, an SMPS transfers power from a DC or AC source (which is often mains power) to DC loads, such as a personal computer, while converting voltage and current characteristics.
How do switch mode power supply (SMPS) transformers work?
Any switched-mode power supply that gets its power from an AC power line (also known as an 'off-line' converter) requires a transformer for galvanic isolation, which prevents current flow. Some DC-to-DC converters may also include a transformer.
SMPS transformers run at high frequency. Most of the cost savings (as well as space savings) in off-line power supplies result from the smaller size of the high-frequency transformer.
Types of switch mode power supply (SMPS) transformers
SMPS transformers have many different applications. They can be used as broadband transformers, DC-to-DC converters, low-power DC-to-DC converters, pulse transformers and power sourcing equipment, among other uses.
Description:
Single and twin secondary windings for series or
parallel connectionVacuum resin moulded to UL94-V0 ratingLow inter-winding capacitanceLow radiated noise100% electrical and flash testedExtra fixing points for secure board mounting (25 VA and 36 VA).
Description:
Dual 115Va.c. 50 to 60Hz primaryTwin secondary windings
for series or parallel connection AVB series are inherently short circuit proof compact designVacuum epoxy resin moulded to UL94-V0 ratingDouble section glass fibre reinforced polyamide bobbins100% electrical and flash testedHigh efficiency and low temperature rise.
Description:
General purpose pulse transformers used in coupling, thyristor/triac
firing and small sized switch mode power supply applicationsThe standard turns ratios may be modified by connecting any two windings in seriesCan also be used as a common mode choke in filtering applications.
Description:
PCB mounting mains transformers with a single 230Va.c.
or twin 115Va.c. 50/60Hz primary winding. Independent secondary windings may be connected in series or parallel to give a wide range of output voltage and current options. Transformers forming the core of a switch mode power supply, in association with a specialist ...
