UM10525
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1 — 19 April 2012
4 of 21
NXP Semiconductors
UM10525
120 V 20 W CFL demo board using the UBA2212
2. Safety
Warning
The demo board is powered by AC mains voltage. Avoid touching the board when power
is applied. An isolated housing is obligatory when used in uncontrolled, non-laboratory
environments. Always provide galvanic isolation of the mains phase using a variable
transformer. The following symbols identify isolated and non-isolated devices.
WARNING
Lethal voltage and fire ignition hazard
The non-insulated high voltages that are present when operating this product, constitute a
risk of electric shock, personal injury, death and/or ignition of fire.
This product is intended for evaluation purposes only. It shall be operated in a designated test
area by personnel qualified according to local requirements and labor laws to work with
non-insulated mains voltages and high-voltage circuits. This product shall never be operated
unattended.
a. Isolated
b. Non-isolated
Fig 1.
Isolated and non-isolated symbols
019aab173
019aab174