High efficiency across the load range enables designers to meet
challenging ENERGY STAR® and ErP TEC requirements
Power Integrations (Nasdaq:POWI),
the leader in high-voltage integrated circuits for energy-efficient
power conversion, today announced the InnoSwitch™-EP
family of off-line CV/CC flyback switching ICs. Featuring an integrated
725 V MOSFET, synchronous rectification and precise secondary-side
feedback sensing control, the new IC family delivers excellent
multi-output cross-regulation with full line protection and
instantaneous transient response with less than 10mW no load
consumption. InnoSwitch-EP ICs employ Power Integrations’ innovative FluxLink™
technology to produce highly-efficient, very accurate and reliable power
supply circuits without an opto-coupler for auxiliary and standby power
in appliances, HVAC, consumer electronics, computing, telecom and data
communication applications.
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Explains Doug Bailey, VP of marketing at Power Integrations: “Our
switcher ICs have long been highly regarded for auxiliary and standby
power supplies because of their proven ruggedness and because of the
inherent reliability benefits of a highly integrated device.
Increasingly demanding Total Energy Consumption (TEC) regulations are
challenging engineers to find ways to reduce system power consumption in
all operational modes. InnoSwitch-EP
ICs are an easy-to-implement solution that improves power supply
efficiency from standby to full load, giving designers a new tool to
address TEC regulations.”
The use of FluxLink
technology enables high-performance secondary-side control to be
delivered with the simplicity and low component count usually associated
with primary-side regulation. This allows highly-efficient synchronous
rectification technology to be employed, resulting in extremely
efficient performance across the full load range, including heavy loads.
For example, InnoSwitch-EP
ICs enable 20 W power supplies to achieve approximately 90% efficiency
in a multi-output design, while minimizing no load consumption to less
than 30 mW. Line over-voltage regulation is highly accurate at +/-5 %,
while +/-5 % OCP regulation is also achieved.
InnoSwitch-EP
ICs enhance power-supply reliability by enabling a low BOM count and the
elimination of opto-couplers, which degrade with time. Low voltage-drop
across the synchronous rectifier FETs ensures highly accurate cross
regulation between output voltage rails, potentially eliminating second
stage linear regulators, saving both cost and wasted energy. This makes
them suitable for applications in home appliances such as microwaves,
washers and dryers, as well as stand-by power supplies for PC/server,
air conditioning systems, displays, TVs, and smart lighting ballasts. InnoSwitch-EP
ICs also enable designers to meet new ENERGY STAR 7 efficiency standards
for monitors.
InnoSwitch-EP
samples are available now. Devices are priced at $1.08 in 10,000-piece
quantities. Reference design, RDK-469, is available from the Power
Integrations website at http://www.power.com/innoswitch-ep.
About Power Integrations
Power
Integrations, Inc. is a leading innovator in semiconductor
technologies for high-voltage power conversion. The company’s products
are key building blocks in the clean-power ecosystem, enabling the
generation of renewable energy as well as the efficient transmission and
consumption of power in applications ranging from milliwatts to
megawatts. For more information please visit www.power.com.
Power Integrations, InnoSwitch, FluxLink, EcoSmart and the Power
Integrations logo are trademarks or registered trademarks of Power
Integrations, Inc. All other trademarks are the property of their
respective owner.
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