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三、海信TLM4277液晶彩电DC-DC变换器电路分析海信TLM4277液晶彩电DC-DC变换器电路如图6所示。NE551(AE2576-5T)和外围电路组成开关型DC-DC变换器,可将NE551①脚输入的12V电压转换为5V_M
Third, Hisense TLM4277 LCD TV DC-DC converter circuit analysis Hisense TLM4277 LCD TV DC-DC converter circuit shown in Figure 6. NE551 (AE2576-5T) and the peripheral circuit switching DC-DC converter can convert the 12V input voltage NE551 ① feet 5V_M