LX8213-12ISE Integrated Circuits (ICs)

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PMIC - Voltage Regulators - Linear

The LX8213-12ISE is a high-performance linear voltage regulator from ANAC have which operates with a very low power consumption rate. It can offer a wide range of adjustable output voltage, from 0.8V to 15V, making it ideal for use with a variety of components, from I/O cards to embedded systems.

The LX8213-12ISE is a three-terminal linear regulator which features low Dropout and excellent line / load regulation. It also offers outstanding transient response performance, as well as thermal protection and over current protection. The device also includes a power good output signal, letting the user monitor output loading and overload conditions.

Features

• Voltage range: 0.8V to 15V
• Dropout voltage: 0.2V at IOUT = 1A
• High accuracy output voltage.
• Load and line regulation: 0.01%.
• 4.5A maximum output current
• ±2% typical initial accuracy
• Wide operating temperature range from -40°C to +85°C
• ESD protection (HBM: <2KV)
• Power good output signal
• Thermal protection
• Over current protection

Applications

• System Configuration
• Industrial Computers
• Embedded/power systems
• Notebook and LCD, PDA
• Multi output low power systems
• Data Acquisition systems
• Generator set controls

Working Principle

The working principle of the LX8213-12ISE is fairly straightforward. The device contains a voltage comparator and a series of MOSFET transistors. On its primary output, the LX8213-12ISE takes a reference voltage, usually from the power supply, which is routed through the load resistor. At the same time, a voltage signal is also routed through a feedback resistor. The voltage comparator compares the voltage on both resistors and determines the load voltage - if it is too high, current is drawn away from the load, and if it is too low, current is supplied from the power supply.

In addition to its primary output, the LX8213-12ISE also has an output signal that can be used to monitor the output loading and overload conditions. This is done through the power good output signal, which is normally low, but switches to a high level if the output is overloaded.

In summary, the LX8213-12ISE is a high-performance linear voltage regulator that operates with a very low power consumption rate. It offers excellent line/load regulation, transient response performance and features a power good output signal, making it ideal for use in a variety of applications from I/O cards to embedded systems.

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