L78M05T-TL-E

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L78M05T-TL-E is a linear voltage regulator integrated circuit designed and produced by STMicroelectronics. It belongs to the L78M family of low-dropout (LDO) voltage regulators, and is specifically designed for applications which require low-quiescent current and low noise operation. Designed for use in a wide variety of applications, the L78M05T-TL-E is a three-terminal device with a wide input voltage range, adjustable voltage output and low power dissipation. It is able to provide a range of output voltages ranging from 1.2 V to 25 V, making it ideal for a variety of applications.

Applications

The L78M05T-TL-E can be used in many different applications, including:

• Battery operated systems
• Regulated power supply systems
• Portable electronics
• Communications equipment
• Medical devices
• Industrial controllers
• Automotive applications

Features

The L78M05T-TL-E offers the following features:

• Wide input voltage range: 3V to 40V
• Output voltage range: 1.2V to 25V
• Low quiescent current: 10μA Typ. @VOUT = 5V
• Low dropout voltage: 300mV Typ. @IOUT = 500mA
• High output current: 500mA
• Low output noise: 200μVRMS Typ. @IOUT = 500mA

Working Principle

The L78M05T-TL-E is a three-terminal device designed to provide a stable, voltage-regulated power supply for various applications. It comprises of a P-channel MOSFET and an internal feedback loop, that ensures that the output voltage remains constant regardless of input voltage or load variation.

The output voltage is set by a resistive voltage divider across the output terminals. The control loop senses the voltage at the output, and then adjusts the current through the P-channel MOSFET to regulate the output voltage. The internal P-channel MOSFET makes the L78M05T-TL-E the ideal choice for low voltage applications. It also makes the device well suited to battery powered systems, as it consumes only a small amount of current.

Conclusion

The L78M05T-TL-E is a low dropout voltage regulator designed for low noise and low quiescent current operation. It is capable of providing a range of output voltages and can supply up to 500mA of output current. The device is designed for wide input voltage and low power dissipation, making it ideal for applications such as portable electronics, medical devices, industrial controllers and automotive applications.

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