TL780-05KCS

Voltage Dropout (Max):	2V @ 1A
Base Part Number:	TL780-05
Supplier Device Package:	TO-220-3
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	85dB (120Hz)
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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TL780–05KCS is an advanced three-terminal adjustable voltage regulator IC with just a 1.5V dropout voltage and a maximum output current of 5A. It is specifically designed for applications needing to have low operating current and little quiescent current offset. It is a member of the TL780 family of voltage regulators and offers amazing stability, low current consumption, and full protection from output over-voltage and over-current. The device is mainly used in industrial, telecom, automotive, networking, computer and measurement as well as for projects that need low current and accuracy control.

Application Field

The TL780–05KCS voltage regulator is suitable for use in applications where an accurate output voltage is needed, such as in power supply circuitry, AC/DC adapters, battery chargers, LED drivers and microcontrollers. It can be used in equipment subjected to extreme temperatures and has excellent line and load regulation. It is ideal for applications that need to control a steady voltage due to its low dropout voltage, low current consumption, and useful output current.

Working Principle

The TL780–05KCS has an innovative working principle. It operates by controlling the key parameters of current and voltage without relying on a switching device like a transistor. It has an internal bandgap reference to regulate the voltage on its output terminal. This is then further regulated by an internal temperature-compensated voltage reference circuit. The output voltage is set by adjusting the external resistors connected to its adjustable terminal (Adj pin).The TL780–05KCS uses an thermal shutdown circuit in its IC architecture to prevent heat buildup in the IC. It also has a short-circuit protection circuit that limits the output current to a preset value. If the regulated output voltage is too low, the IC will shutdown and its output terminal will be in high impedance. In short, the TL780–05KCS is an adjustable voltage regulator IC with excellent stability, low current consumption, and full protection from output over-voltage and over-current. The device can be used in applications where low operating current and little quiescent current offset is needed, such as in power supply circuitry, AC/DC adapters, battery chargers, LED drivers, microcontrollers and other equipment requiring an accurate output voltage. It is an ideal choice for applications where a steady voltage has to be maintained.

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