SG7805T-JAN

Series:	Military, MIL-STD-883
Packaging:	Tray
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	35V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	2.5V @ 500mA
Current - Output:	500mA
Current - Quiescent (Iq):	7mA
PSRR:	68dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-205AD, TO-39-3 Metal Can
Supplier Device Package:	TO-39
Base Part Number:	SG7805

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Introduction

The SG7805T-JAN is an industry standard positive voltage regulator from Semitech, offering an output voltage of 5 Volts with a temperature range of -40°C to +125°C. It is commonly available in TO-220 packages and comes with a variety of operational modes, such as adjustable, fixed, and low dropout (LDO). This article will examine the application field, working principle, and example of the SG7805T-JAN.

Application Field

The SG7805T-JAN is a reliable adjustable voltage regulator that can be used in a wide range of different applications. It can be used in consumer electronics such as laptops, phones, or medical devices, as well as industrial or military projects. Additionally, it is a simple solution for powering, stepping down, and providing voltage regulation in various applications.

Working Principle

The SG7805T-JAN regulator is based on a linear topology, which involves a combination of resistors and transistors to achieve the desired result. The regulator works by introducing a feedback loop that compares the desired output voltage to the actual voltage and adjusts the output accordingly. The whole process is completed with the help of the transistors, which act as a switch, regulating the current between the power supply and the output terminal to maintain a steady voltage. The voltage regulator can be set to operate in either adjustable or fixed modes. In adjustable mode, the output voltage can be adjusted using an external voltage divider. This is beneficial as it allows the output voltage to be adjusted to suit specific requirements. In fixed mode, the output voltage is fixed at 5 Volts.

Example

A typical example of the SG7805T-JAN in action is in the field of LED lights. In LED lighting, it is important to maintain a stable voltage to avoid any issues. The SG7805T-JAN can be used to provide the appropriate voltage to the LED lights. To do this, it is simply connected to the power supply, and then connected to the LED lights in series. This series connection allows the current to be regulated, while still providing the voltage to the LED lights.

Conclusion

The SG7805T-JAN is an industry standard positive voltage regulator from Semitech that offers an output voltage of 5 Volts with a temperature range of -40°C to +125°C. It is available in a variety of packages and can be set to adjust or fix the output voltage. It is a reliable and simple solution for powering, stepping down, and voltage regulation, and can be used in a range of applications, such as consumer electronics, industrial and military use, and LED lights.

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