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Efficient Safety Circuit for E
消耗积分:3 |
格式:rar |
大小:163 |
2010-05-07
刘艳
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The self−oscillating circuit, commonly used in the low
cost half−bridge converter, is prone to thermal runaway
when the fluorescent lamp does not strike. As a
consequence, either the switches are oversized to sustain
such a fault condition, or the circuit includes a safety
network to avoid this risk. Although several schematics are
usable to perform such a function, the one described in this
paper is easy to implement and does not influence the normal
operation of the converter.
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