STEVAL-ILL052V1 Datasheet, PDF (1/4 Pages) STMicroelectronics – RoHS compliant

STEVAL-ILL052V1
48 V - 130 W high efficiency converter with PFC for LED street
lighting applications based on L6562 and L6599 - European version
Data brief
Features
■ Extended European input mains range: 177 to
277 V_AC - frequency 45 to 55 Hz
■ Output voltage: 48 V at 2.7 A
■ Long-life electrolytic capacitors not used
■ Mains harmonics: in accordance with
EN61000-3-2 Class C
■ Efficiency at full load: greater than 90%
■ EMI: in accordance with EN55022 Class B
■ Safety: double insulation, in accordance with
EN60950, SELV
■ Dimensions: 75 x 135 mm, 30 mm maximum
component height
■ No heatsinks needed
■ PCB: single side, 35 µm, FR-4, mixed
PTH/SMT
■ RoHS compliant
The STEVAL-ILL052V1 demonstration board also
provides protection against overload or short-
circuit, open-loop by each stage, or input
overvoltage, with auto-restart.
Description
The STEVAL-ILL052V1 demonstration board
implements a 130 W LED power supply for street
lighting.
The circuit is composed of two stages: a front-end
PFC using the L6562AT and an LLC resonant
converter based on the L6599AT.
What distinguishes this design is its very high
efficiency, extended European input mains range
(177-277 V_AC) operation, and long-term reliability.
Because reliability MTBF (mean time between
failures) in power supplies is typically affected by
the high failure rate of electrolytic capacitors,
unless using very high-end, expensive types, the
STEVAL-ILL052V1 demonstration board offers an
innovative design approach using film capacitors
from EPCOS in place of electrolytic capacitors.
Thanks to the high efficiency achieved, no
heatsinks are required.
October 2012
Doc ID 023797 Rev 1
For further information contact your local STMicroelectronics sales office.
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