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LM27762:LM277672

Part Number: LM27762
Other Parts Discussed in Thread: OPA2735, , LM2776

   你好,我想请教一下 使用LM27762芯片给OPA2735供电,整个原理图有不妥的地方嘛?另外使用LM27762 供电5V,正输出的电压为4.8V,负端输出只有-2v左右,而且供电1分钟不到芯片很烫,可以帮我看一下是哪里的问题嘛?