低功率 LED 照明趋势解决方案－第四部分

A19, E14 / 17, E26 / 27 bulb LED Driver Design

LED lighting trend in our blog series, we discussed the MR11 / 16 LED driver design problems. Now, let’s look at A19, E14 / 17, E26 / 27 bulb LED driver designs.

Some bulb type is called “screw caps” and “candle light.” Most with CFL or LED incandescent replacement, has won the majority of application requirements.

A19, E14 / 17, E26 / 27 screw bulb structure

Input voltage directly from the AC power socket type: E14 / 17 (Candle), A19 / E26 / 27 (screw type) (for candle lamp, rated 1~5W; to replace incandescent lamps, rated power 4~17W.) dimensions shown in Figure 1 and Figure 2.

Figure 1. Example candle lamps ((L: 99 毫米, D: 26 毫米, E: 17 mm) of

Figure 2. Example Edison light bulb (L: 105 毫米, D: 55 毫米, B: 26 mm) of

A19, E14 / 17, E26 / 27 screw bulb LED Driver Design Challenge

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