UC2843AD8G4

Frequency - Switching:	Up to 500kHz
Base Part Number:	UC2843A
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	96%
Series:	--
Voltage - Supply (Vcc/Vdd):	7.6 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, Buck, Buck-Boost, Flyback, Forward
Output Configuration:	Positive
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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Introduction

The UC2843AD8G4 is a 4-pin voltage regulator from STMicroelectronics, designed for DC-DC switching voltage control in a wide range of applications. It is part of the PMIC (Power Management IC) family of voltage regulators, which are designed to provide a safe, convenient, and efficient solution for managing and regulating power supply in various electrical systems.

Application Fields

The UC2843AD8G4 is used in a wide range of applications, from automotive to consumer electronics. In automotive applications, it can be used to regulate voltage in automobiles to ensure proper performance and safety. It can also be used in domestic appliances, such as televisions, air conditioners, and refrigerators, to ensure proper operation and reduce power consumption. In consumer electronics, the UC2843AD8G4 is often used in digital cameras, camcorders, and mobile phones to regulate the voltage to ensure proper operation. It is also used in computers for system monitoring, and can be found in gaming consoles, audio equipment, and other devices.

Working Principle

The UC2843AD8G4 is a 4-pin linear voltage regulator, which regulates voltage by regulating the amount of current allowed to flow through a circuit. It can handle input voltage ranging from 2.2V to 30V and output voltage ranges from 2.5V to 20V. The device works by using a switch to control the current flow within a circuit. When the switch is turned on, it allows current to flow and the voltage is regulated. When the switch is turned off, the current flow is stopped and the voltage is no longer regulated. This process is repeated to ensure that the voltage stays within the desired range. The UC2843AD8G4 is designed with an over-current protection feature, which monitors the current flowing through the circuit and can shut down the current flow if it exceeds the devices\' predetermined maximum current rating. This provides an extra layer of protection to ensure that the system remains safe and stable.

Conclusion

The UC2843AD8G4 is a 4-pin voltage regulator from STMicroelectronics, designed for DC-DC switching voltage control in a wide range of applications. It is part of the PMIC (Power Management IC) voltage regulators family, which is designed to provide a safe, convenient, and efficient solution for managing and regulating power supply in various electrical systems.The UC2843AD8G4 is used in automotive and consumer electronics applications, such as automobiles, television, air conditioners, and mobile phones, to regulate voltage and ensure proper operation while reducing power consumption. It operates by using a switch to regulate the current flow throughout the circuit, and is equipped with an over-current protection feature to ensure that the system remains safe and stable.

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