SG7812AT

Series:	*
Packaging:	Bulk
Part Status:	Active
Number of Regulators:	1
Current - Output:	100mA
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-39
Supplier Device Package:	TO-99
Base Part Number:	SG7812

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SG7812AT Application Field and Working Principle

SG7812AT belong to PMIC - Voltage Regulators - Linear family. It is a high performance linear regulator IC that is specially designed to provide excellent load and line transient response, as well as good thermal performance and EMC/EMI compatibility. It is able to work with a broad range of input and output voltages, making it ideal for use in a wide variety of power applications.The SG7812AT is used in voltage regulation applications to maintain desired output voltage with a given input voltage. It employs a single-pole dual open-loop gain configuration with a power transistor as the active control element. This allows it to provide better line and load regulation than a traditional voltage regulator, while offering less energy dissipation.The SG7812AT features a “safe start” architecture which consists of an Error Amplifier, a PGOOD comparator, a soft start other limiting circuit and a current limit circuit. This architecture helps ensure a safe operation by reducing “inrush” current and limiting output current at start up. The soft start also helps keep the output voltage in regulation while it is adjusting to a desired voltage.Other features of the SG7812AT include an adjustable current limit, output voltage offset trimming and thermal shutdown protection. The adjustable current limit helps protect the IC from being overstressed by an excessive load, while the output voltage trimming enables the user to adjust the output voltage to the desired level. The thermal shutdown protection helps protect the SG7812AT from being destroyed due to high temperatures.Overall, the SG7812AT is a high performance linear regulator IC that can be used in a wide range of applications to help ensure safe and reliable power regulation. Its features make it a great choice for applications requiring excellent load and line transient response, as well as good thermal performance and EMI/EMC compatibility.

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