STEVAL-ILD003V2 Datasheet, PDF (1/4 Pages) STMicroelectronics – Operation for 2-wire wall dimmer

STEVAL-ILD003V2
Analog wall dimmer for CFL/LED lamps based on the TS820
(USA version 110 V)
Data brief
Features
■ Operation for 2-wire wall dimmer
■ Leading-edge control (compatible with all
lamps commonly found on the market)
■ Operation on 120 V line rms voltage
(98 to 132 V) and 50 Hz or 60 Hz line
frequency
■ Dimmable power range with halogen, CFL and
LED lamps (with 27 °C/W heatsinks mounted
on SCRs^{(a) (b)}:
– 3 to 350 W for 110/120 V rms line
■ Maximum operating ambient
temperature:60 °C
■ Power efficiency @ 350 W / 120 V > 98.5%
■ Standby losses @ 120 V < 0.3 W (could be
reduced to 0 if potentiometer features a
mechanical switch to open the circuit at
minimum setting)
■ RoHS compliant
Compliance with EMC standards
■ IEC 61000-4-4: criteria A for more than 4 kV
resistor, turn-on delay capacitor, etc., in order to
allow board modification, if needed.
The STEVAL-ILD003V2 eliminates flickering
thanks to its continuous current applied through
the sensitive SCR gate. This dimmer could easily
replace a standard low-cost analog Triac light
dimmer using a Diac-controlled circuit.
Description
The STEVAL-ILD003V2 demonstration board is
designed to propose a low-cost analog dimmer
topology using a sensitive SCR TS820-600FP.
The dimmer can drive typical low-consumption
lamps, particularly CFL and LED dimmable
lamps.
Through-hole technology is used for the most
important components such as LC filter, gate
a. Higher power can be reached with a different filter
inductor and a bigger SCR heatsink
b. 200 W is the maximum allowed power without an SCR
heatsink
February 2013
Doc ID 022481 Rev 3
For further information contact your local STMicroelectronics sales office.
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