COLD_CATHODE_FLUORESCENT_LAMP_SUPPLY

Published:2009/7/16 21:00:00 Author:Jessie | From:SeekIC

For back-lit LCD displays，this supply will drive a lamp. LT1072 drives Q1 and Q2，and a slne waveappears across C1. L1 is a transformer that steps up this voltage to about 1 400 V D1 and D2 detect lampcurrent and form a feedback loop to the LT1072 to control lamp brightness．



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