L78M08CV-DG

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The L78M08CV-DG is a voltage regulator suitable for various applications. It is a three-terminal positive voltage regulator, classified as a Linear Power Management Integrated Circuit (PMIC) – Voltage Regulators - Linear. This type of regulator is designed to deliver a precisely-regulated voltage and current, with a maximum output current of 1A and adjustable output voltage up to 8 Volts.

A three-terminal linear voltage regulator incorporates a low-dropout (LDO) voltage regulator, which provides high stability and load regulation that is independent of line and load conditions. The input voltage range is from 8 to 18V. The L78M08CV-DG device is designed using advanced BiCMOS technology plus low-power consumption CMOS Technology which gives low output noise and low standby current. Output voltage of L78M08CV-DG can be precisely adjusted between 1.2V and 8V by an external resistance divider. The L78M08CV-DG device can provide an output current up to 1A with a low dropout voltage of 850mV.

The L78M08CV-DG has an internal thermal shutdown feature that protects the device from thermal destruction due to overload. It also has short circuit protection that limits the output current to 1.3A when the device is subjected to a short-circuit condition. The device also comes with an over-temperature protection which shuts down the output if the device temperature exceeds 150 °C.

The typical application fields of the L78M08CV-DG device include battery powered devices, alternative energy systems, uninterruptible power supply (UPS) systems, telecommunication systems, automotive and industrial applications.

The operation of the L78M08CV-DG device is based on an error amplifier, an internal voltage reference and two pass transistors. The pass transistors control the output voltage of this device. The error amplifier compares the feedback voltage of the output with the reference voltage. When the two voltages do not equal the error amplifier will continuously adjust the pass transistor to keep the output voltage at the programmed level. The device is designed to minimize the power dissipation of the pass transistor.

In summary, the L78M08CV-DG device is a three-terminal positive voltage regulator which is suitable for various applications. It is classified as a Linear Power Management Integrated Circuit (PMIC) – Voltage Regulators - Linear. The device can provide an output current up to 1A with a low dropout voltage of 850mV. It also has short circuit protection feature, and over-temperature protection to protect the device from damages due to overload or over-temperature. The application fields of the device include battery powered devices, alternative energy systems, uninterruptible power supply (UPS) systems, telecommunication systems, automotive and industrial applications.

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