L7815ACV-DG

Voltage Dropout (Max):	2V @ 1A (Typ)
Supplier Device Package:	TO-220
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	58dB (120Hz)
Current - Quiescent (Iq):	6mA
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	15V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction to L7815ACV-DG

The L7815ACV-DG is a fixed output 15V voltage regulator produced by ST Microelectronics. It is an integrated linear voltage regulator that is designed for applications which require low power, high reliability and a stable output voltage. The L7815ACV-DG is ideal for applications such as telecommunications, industrial and automotive systems.

Application Field and Working Principle

The L7815ACV-DG is mainly used in telecommunications and industrial systems such as professional audio equipment, data storage and satellite systems. It can also be used in automotive systems that require high-voltage and voltage regulation stability.The L7815ACV-DG uses a linear regulator design which involves the use of transistors and resistors to convert varying input voltages into a fixed output voltage. The circuit is designed such that when the input voltage exceeds the set output voltage, the regulator turns off and stops supplying current to the load. When the input voltage drops, the regulator turns on and supplies current to the load until the output voltage rises to the desired level. This type of regulator uses the principle of voltage divider and operates on the concept of negative feedback. In order to maintain the output voltage, the transistor’s base is connected to a sensing point which senses the output voltage and monitors it. The overall performance of the L7815ACV-DG is further enhanced by its low dropout voltage (0.16V) and low quiescent current (0.17mA). It also has a thermal shutdown protection feature which protects the device from overheating due to excessive load or current.

Conclusion

The L7815ACV-DG is an integrated linear voltage regulator which is highly reliable and offers stable output voltage. It is mainly used in telecommunications and industrial systems, and is also suitable for automotive applications. It uses a linear regulator design which involves the use of transistors and resistors to convert varying input voltages into a fixed output voltage. The overall performance of the L7815ACV-DG is further enhanced by its low dropout voltage and low quiescent current.

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