LM3843启动电压是多少？用LM2596-12的输出电压能启动吗
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正常工作后的最小维持电压是7~8.2V,典型值是7.6V。
LM2596-12输出是12V，所以能正常工作。
不过驱动场效应管的最佳电压是15V，所以你可以适当的提高点。
LM3843的电源电压是30V，LM2596-12的输出电压是12V。
绛旓細姝ｅ父宸ヤ綔鍚庣殑鏈灏忕淮鎸佺數鍘嬫槸7~8.2V,鍏稿瀷鍊兼槸7.6V銆侺M2596-12杈撳嚭鏄12V锛屾墍浠ヨ兘姝ｅ父宸ヤ綔銆備笉杩囬┍鍔ㄥ満鏁堝簲绠＄殑鏈浣崇數鍘嬫槸15V锛屾墍浠ヤ綘鍙互閫傚綋鐨勬彁楂樼偣銆
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