{"id":957,"date":"2021-12-25T21:27:00","date_gmt":"2021-12-25T13:27:00","guid":{"rendered":"https:\/\/ecmos2.liho.work\/?p=957"},"modified":"2024-09-10T14:08:08","modified_gmt":"2024-09-10T06:08:08","slug":"ec4329","status":"publish","type":"post","link":"https:\/\/www.ecmos.com.tw\/cn\/led-driver\/ec4329\/","title":{"rendered":"EC4329\uff5cOffiline Buck LED Driver IC With APFC"},"content":{"rendered":"\n
\u898f\u683c\u66f8\u4e0b\u8f09<\/div><\/a>\n\n\n\n
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General Description<\/h3>\n\n\n\n

The EC4329 is a high precision non-isolated buck driver with APFC, specially designed for universal input offline
constant current LED lighting, and reach out low THD.
Operating in critical conduction mode, the power MOSFET switching loss is reduced and the inductor is fully utilized.
Withthe fewest external components, and cutting- edge circuit design, output ability can be precisely controlled in
the most competitive method of all kinds.
EC4329 adopts floating ground structure, inductor current is hence sensed during the whole switching cycle, which
generates precise output current, line and load regulation when being applied in system.
EC4329 also features full protection function to enhance Reliability on board, including LED Open\/ Short circuit
Protection, OVP\/ UVP\/ OTP( Self- reduce)\/ OCP Current Sensing Open protection, Soft start and so on.
EC4329 performed in compact SOT23-6 package.<\/p>\n\n\n\n

Features<\/h3>\n\n\n\n

\u25c6 High Power Factor, ultra- low THD
\u25c6 Valley Switch, High Efficiency, LOW EMI
\u25c6 Soft Start
\u25c6 Thermal Regulation Compensation
\u25c6 \u00b13% Output Current Accuracy
\u25c6 Universal AC input
\u25c6 Auto Induction Compensate
\u25c6 Auto Output Voltage adaption
\u25c6 Full Protection Features: ( LED O\/S CKT; OTP OCP; OVP\/UVP)
\u25c6 Auto Recovery to default
\u25c6 Fewest external components required on board<\/p>\n\n\n\n

Applications<\/h3>\n\n\n\n

\u25c6 LED High Brightness Lighting
\u25c6 Light Bulb, Light Tube<\/p>\n\n\n\n

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