应用功能：三端稳压集成电路-National美国国家半导体公司生产 The LM140A/LM140/LM340A/LM340/LM7800C monolithic 3-terminal positive voltage regulators employ internal current-limiting, thermal shutdown and safe-area compensation,making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A
