LM340-N - 串联 3 端子负电压稳压器

LM340-N是TI德州仪器公司的一款单通道LDO产品，LM340-N是串联 3 端子负电压稳压器，本站介绍了LM340-N的封装应用图解、特点和优点、功能等，并给出了与LM340-N相关的TI元器件型号供参考。

LM340-N - 串联 3 端子负电压稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LM140/LM340A/LM340-N/LM78XXC 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 output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents.

Considerable effort was expended to make the entire series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply.

The 5V, 12V, and 15V regulator options are available in the steel TO-3 power package. The LM340A/LM340-N/LM78XXC series is available in the TO-220 plastic power package, and the LM340-N-5.0 is available in the SOT-223 package, as well as the LM340-5.0 and LM340-12 in the surface-mount DDPAK/TO-263 package.

产品特性

Complete Specifications at 1A Load
Output Voltage Tolerances of ±2% at Tj = 25°C and ±4% Over the Temperature Range (LM340A)
Line Regulation of 0.01% of VOUT/V of ΔVIN at 1A Load (LM340A)
Load Regulation of 0.3% of VOUT/A (LM340A)
Internal Thermal Overload Protection
Internal Short-circuit Current Limit
Output Transistor Safe Area Protection
P+ Product Enhancement Tested

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