LM2940QML - 1A Low Dropout Regulator

LM2940QML是TI德州仪器公司的一款单通道LDO产品，LM2940QML是1A Low Dropout Regulator，本站介绍了LM2940QML的封装应用图解、特点和优点、功能等，并给出了与LM2940QML相关的TI元器件型号供参考。

LM2940QML - 1A Low Dropout Regulator - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LM2940 positive voltage regulator features the ability to source 1A of output current with a dropout voltage of typically 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30 mA. Higher quiescent currents only exist when the regulator is in the dropout mode (VIN − VOUT ≤ 3V).

Designed also for vehicular applications, the LM2940 and all regulated circuitry are protected from reverse battery installations or 2-battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. The LM2940 cannot be harmed by temporary mirror-image insertion. Familiar regulator features such as short circuit and thermal overload protection are also provided.

产品特性

Available with Radiation Ensure
- ELDRS Free 100 krad(Si)
Dropout Voltage Typically 0.5V @IO = 1A
Output Current in Excess of 1A
Output Voltage Trimmed Before Assembly
Reverse Battery Protection
Internal Short Circuit Current Limit
Mirror Image Insertion Protection

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