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求一款输出350W的开关电源设计方案

Other Parts Discussed in Thread: UCC28019A, LM5023, UC2842, UCC25600, UCC28740, UCC28600, UCC28610, UC3854, UCC28910, UCC28700

该电源待机时的最大功率不超过0.5W。有4路输出,分别为+5VSTB,+5V,+12V和+45V,且各路输出之间不产生干扰,其中5V,12V和45V三路输出的开关由外部信号PWD控制。本人想使用反激、PFC、LLC三个组合的方案,具体方案请TI支持人员给予提供。谢谢!

1.输入特性

序号

项 目

技术指标

1.1

额定输入电压

100 — 240 Vac

1.2

输入电压范围

90 — 264 Vac

1.5

输入电压频率范围

47 — 63 Hz

1.6

额定输入电压频率

50/60 Hz

1.7

功率因数

≥0.9

序号

项 目

技术指标

2.1

额定输出电压

+5STB

+5

+12

+45

2.2

输出电流范围

0-1

0-3.0

0-4

0-4.5

2.3

输出电压范围

4.9

-

5.3

4.8-

5.2

11.7

-

12.5

42

-

48