LM2931-N - 串联低压降稳压器

LM2931-N是TI德州仪器公司的一款单通道LDO产品，LM2931-N是串联低压降稳压器，本站介绍了LM2931-N的封装应用图解、特点和优点、功能等，并给出了与LM2931-N相关的TI元器件型号供参考。

LM2931-N - 串联低压降稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LM2931-N positive voltage regulator features a very low quiescent current of 1mA or less when supplying 10mA loads. This unique characteristic and the extremely low input-output differential required for proper regulation (0.2V for output currents of 10mA) make the LM2931-N the ideal regulator for standby power systems. Applications include memory standby circuits, CMOS and other low power processor power supplies as well as systems demanding as much as 100mA of output current.

Designed originally for automotive applications, the LM2931-N and all regulated circuitry are protected from reverse battery installations or 2 battery jumps. During line transients, such as a load dump (60V) when the input voltage to the regulator can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both internal circuits and the load. The LM2931-N cannot be harmed by temporary mirror-image insertion. Familiar regulator features such as short circuit and thermal overload protection are also provided.

The LM2931-N family includes a fixed 5V output (±3.8% tolerance for A grade) or an adjustable output with ON/OFF pin. Both versions are available in a TO-220 power package, DDPAK/TO-263 surface mount package, and an 8-lead SOIC package. The fixed output version is also available in the TO-92 plastic package.

产品特性

Very Low Quiescent Current
Output Current in Excess of 100 mA
Input-output Differential Less than 0.6V
Reverse Battery Protection
60V Load Dump Protection
−50V Reverse Transient Protection
Short Circuit Protection
Internal Thermal Overload Protection
Mirror-image Insertion Protection
Available in TO-220, TO-92, TO-263, or SOIC-8 Packages
Available as Adjustable with TTL Compatible Switch

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