AP7312-1830W6-7

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AP7312-1830W6-7 is a linear voltage regulator. It is used in various applications to regulate the power to the given device. Its working principle is to convert the input voltage to a stable output voltage with a given accuracy.

Overview

AP7312-1830W6-7 is a low dropout linear regulator. It is suitable for step-down current regulation in 3.3V or 5V systems. It offers adjustable high-efficiency output voltage and features low noise, low quiescent current and low supply current. With the built-in high-current column driver, AP7312-1830W6-7 provides an economical power solution for portable devices and other embedded products. Its Over-Temperature Protection (OTP) function further protects the device from any damage due to an excessive temperature rise.

Features

• Wide Input Voltage : 2.5V~6V
• High Output Voltage Accuracy : ±1.2%
• IOUT : ≥400mA
• Over-Temperature Protection (OTP)
• Low output impedance
• Minimal external components required
• Low quiescent current
• Compact size MSOP-8 package

Applications

• Portable devices
• Mobile phones
• Portable gaming systems
• MP3 players
• Personal media players
• Digital cameras
• Battery-powered systems

Working Principle

AP7312-1830W6-7 is a low-dropout (LDO) regulator. It is an electronically controlled device that regulates the voltage output of a power supply to match the desired level and accuracy. The input voltage is at one end while the regulated output voltage is at the other end. The current passes through an adjustable circuit consisting of an error amplifier, a control element and an output stage. When the unregulated input voltage exceeds the desired level, the error amplifier produces an error voltage which is then passed to the control element. The control element then adjusts the output voltage to the desired level by changing the resistance of the output current path.

The LDO regulator is designed to perform well in a wide temperature range and provide a good combination of high efficiency, small size, low noise and fast response. Its Over-Temperature Protection (OTP) function further ensures reliability, by limiting the output current if the temperature reaches a certain high limit. Thus, it provides a reliable and stable power solution for battery-powered systems.

Conclusion

AP7312-1830W6-7 is a low dropout linear regulator that provides a reliable, stable power for battery-powered systems and embedded products. It has wide input voltage range, low output impedance, minimal external components and Over-Temperature Protection (OTP) function which further protects it from any damage caused by excessive heat. With its high accuracy output, this LDO regulator is suitable for various applications like mobile phones, portable gaming systems and personal media players.

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