LM140LQML - Series 3-Terminal Positive Regulators

LM140LQML是TI德州仪器公司的一款单通道LDO产品，LM140LQML是Series 3-Terminal Positive Regulators，本站介绍了LM140LQML的封装应用图解、特点和优点、功能等，并给出了与LM140LQML相关的TI元器件型号供参考。

LM140LQML - Series 3-Terminal Positive Regulators - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LM140L series of three terminal positive regulators is available with several fixed output voltages making them useful in a wide range of applications. The LM140LA is an improved version of the LM78LXX series with a tighter output voltage tolerance (specified over the full military temperature range), higher ripple rejection, better regulation and lower quiescent current. The LM140LA regulators have ±2% VOUT specification, 0.04%/V line regulation, and 0.01%/mA load regulation. When used as a zener diode/resistor combination replacement, the LM140LA usually results in an effective output impedance improvement of two orders of magnitude, and lower quiescent current. These regulators can provide local on card regulation, eliminating the distribution problems associated with single point regulation. The voltages available allow the LM140LA to be used in logic systems, instrumentation, Hi-Fi, and other solid state electronic equipment. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.

With adequate heat sinking the regulator can deliver 100 mA output current. Current limiting is included to limit the peak output current to a safe value. Safe area protection for the output transistor is provided to limit internal power dissipation. If internal power dissipation becomes too high for the heat sinking provided, the thermal shut-down circuit takes over, preventing the IC from overheating.

产品特性

Line Regulation of 0.04%/V
Load Regulation of 0.01%/mA
Output Voltage Tolerances of ±2% at Tj = 25°C and ±4% over the Temperature Range
Output Current of 100 mA
Internal Thermal Overload Protection
Output Transistor Safe Area Protection
Internal Short Circuit Current Limit

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