Series:	--
Packaging:	Digi-Reel®
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	25V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	2V @ 1A
Current - Output:	1.5A
PSRR:	85dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-4, DPak (3 Leads + Tab)
Supplier Device Package:	3-PowerFLEX™
Base Part Number:	TL780-05

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TL780-05CKTER application field and working principle

Introduction

TL780-05CKTER is a fixed output negative linear voltage regulator from TI. It is designed to provide precise milliwatts of output power for a wide range of load conditions. It is designed to provide a constant voltage source for a variety of applications.

Application Field

TL780-05CKTER can be used in a variety of different settings, ranging from automotive systems to industrial locations. The fixed output voltage provides a precise source of power, while the low power losses ensure maximum efficiency. This makes it a great choice for applications that require a constant, reliable source of power, such as audio amplifiers, data conversion systems or logic circuits. In addition, the device features thermal shutdown and current limiting protection, making it suitable for use in electrical noise-sensitive systems.

Working Principle

The TL780-05CKTER device is a three-terminal linear regulator that is designed to maintain a constant output voltage. It operates in a self-oscillating mode which requires little external circuitry. The device regulates the output voltage by controlling the flow of current through an internal switch (transistor). When the voltage at the output rises above the setpoint level, the device activates the switch to reduce the current flow, thus maintaining the output voltage. When the output voltage drops, the switch is activated in order to increase the current flow. This ensures that the output voltage does not change with variations in load.

Conclusion

TL780-05CKTER is a three-terminal negative linear voltage regulator that is designed to maintain a constant output voltage. It is ideal for applications that require a steady, reliable source of power, such as audio amplifiers, data conversion systems or logic circuits. The device features thermal shutdown and current limiting protection, making it suitable for use in electrical noise-sensitive systems.

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