LM2984C - 微处理器电源系统

LM2984C是TI德州仪器公司的一款多通道LDO产品，LM2984C是微处理器电源系统，本站介绍了LM2984C的封装应用图解、特点和优点、功能等，并给出了与LM2984C相关的TI元器件型号供参考。

LM2984C - 微处理器电源系统 - 多通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LM2984C positive voltage regulator features three independent and tracking outputs capable of delivering the power for logic circuits, peripheral sensors and standby memory in a typical microprocessor system. The LM2984C includes circuitry which monitors both its own high-current output and also an external µP. If any error conditions are sensed in either, a reset error flag is set and maintained until the malfunction terminates. Since these functions are included in the same package with the three regulators, a great saving in board space can be realized in the typical microprocessor system. The LM2984C also features very low dropout voltages on each of its three regulator outputs (0.6V at the rated output current). Furthermore, the quiescent current can be reduced to 1 mA in the standby mode.

Designed also for vehicular applications, the LM2984C and all regulated circuitry are protected from reverse battery installations or 2-battery jumps. Familiar regulator features such as short circuit and thermal overload protection are also provided. Fixed outputs of 5V are available in the plastic TO-220 power package.

产品特性

Three low dropout tracking regulators
Output current in excess of 500 mA
Low quiescent current standby regulator
Microprocessor malfunction RESET flag
Delayed RESET on power-up
Accurate pretrimmed 5V outputs
Reverse battery protection
Overvoltage protection
Reverse transient protection
Short circuit protection
Internal thermal overload protection
ON/OFF switch for high current outputs
100% electrical burn-in in thermal limit

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