High PF, low THD LED driver ICs set a new standard in efficiency
SAN JOSE, Calif.--(BUSINESS WIRE)--
Power Integrations (Nasdaq: POWI),
the leader in high-efficiency, high-reliability LED driver ICs, today
announced its LYTSwitch™-1
single-stage, non-isolated, buck topology LED driver IC family.
Featuring a very compact footprint, the IC enables the design of LED
bulbs and tubes with high constant-current accuracy while using a
minimum number of components. A novel driver algorithm ensures high
power factor (PF) and low total harmonic distortion (THD) while
maintaining very high efficiency.
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LYTSwitch-1 LED driver ICs from Power Integrations reduce complexity in bulbs, tubes and ballasts up to 22 W. (Graphic: Business Wire)
Housed in a compact SO-8 package, LYTSwitch-1
ICs are greater than 93% efficient with a PF of over 0.9 and THD as low
as 15%. Devices can be used in a low-side buck topology for reduced EMI
or in a high-side buck topology which simplifies design. Delivering up
to 22 W without a heatsink, the universal input (100 - 308 VAC) ICs
incorporate a 725 V MOSFET for high reliability. Designers can make use
of small, off-the-shelf inductors due to a unique peak current control
algorithm. The new devices meet all applicable international standards
including: DOE 6 (external power supply), CEC Title 20 and 24, ENERGY
STAR® SSL, EN61000-3-2 (C) plus China and India standards.
Comments Hubie Notohamiprodjo, director of product marketing at Power
Integrations: “Low system complexity and high performance make LYTSwitch-1
ICs ideal for both commercial and residential lighting applications. The
low component count and compact size make these LED driver ICs easy to
fit into space-challenged applications such as tube end caps, small form
factor candles and GU10 bulbs, as well as low cost A19 and
decorative-filament lamps.”
In common with all Power Integrations products, LYTSwitch-1 LED driver
ICs have a host of protection features including thermal foldback with
end-stop shutdown, short circuit protection, input and output OVP,
overcurrent and SOA protection.
LYTSwitch-1
IC samples are available now. Devices are priced at $0.26 in
10,000-piece quantities. Reference design DER-548 is available for
download now from the Power Integrations website at https://www.power.com/lytswitch-1.
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, LYTSwitch 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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Source: Power Integrations, Inc.