請(qǐng)教:這個(gè)電源的過流保護(hù)點(diǎn)如何計(jì)算?
電源的拓?fù)浞绞?Current Mode Flyback
Main Frequency: 100KHz

檢流電阻:2.1歐姆

與檢流電阻連接的RC網(wǎng)絡(luò):R15=2.7K歐姆, C=100pF

LINE補(bǔ)償電阻是1M*3=3M歐姆

PWM IC is NCP1200 of ONsemi.

利用IC的定功率方式進(jìn)行限流.

變壓器的初級(jí)Lp=2mH, 匝數(shù)比為16.5V

輸入電壓220Vac

1059710116.doc