L78M05ABDT-TR Integrated Circuits (ICs)

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Linear voltage regulators are an important component of any power system. They are used to regulate the voltage of a power supply to ensure that it remains within an optimal range regardless of outside influences. The L78M05ABDT-TR is a low dropout (LDO) linear voltage regulator, meaning that it operates over a wide input voltage range and can provide a stable output voltage with a very low dropout voltage. The device is ideal for applications where an accurate, stable output voltage is needed, such as microcontrollers, digital signal processors and other systems requiring low-noise, current-limited power supplies.

The L78M05ABDT-TR is available in a 5-pin, lead-free package that is both RoHS and UL compliant. It provides an adjustable output voltage range of 1.3V to 15V and can output up to 500mA of current. It also features thermal shutdown, so it will shut itself off when the junction temperature exceeds 150°C. This is an important feature for ensuring system stability, as the device will not remain active at temperatures beyond the acceptable range.

The L78M05ABDT-TR operates using a fixed-bias, current-source control circuit. It uses an external resistor divider to adjust the output voltage. When the feedback voltage at the output pin exceeds the reference voltage of 2.5V, the device will reduce current to the output pin. This ensures that the output voltage remains within the programmed range. In addition, the device will maintain its current limit and thermal shutdown protection even when the feedback loop is disconnected, making it reliable under varying operating conditions.

The L78M05ABDT-TR is particularly well-suited for use in portable and space-constrained designs where space efficiency is paramount. Its small form factor saves precious board space in these applications, while also allowing them to benefit from the feature set and improved efficiency of a linear voltage regulator. Its low dropout voltage and adjustable output voltage range make it an ideal choice for a wide range of applications, including battery-operated circuits, memory and logic boards, embedded systems, and instrumentation.

The L78M05ABDT-TR is a feature-rich linear voltage regulator that provides reliable and accurate output regulation over a wide range of conditions. Its small size, low dropout voltage, and adjustable output voltage range make it an excellent choice for a variety of applications requiring an energy-efficient and space-saving solution.

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