S-8424AABFT-TB-U

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The S-8424AABFT-TB-U is a low dropout (LDO) regulator suitable for portable applications. It is an integrated power supply controller and monitor that can be used for various applications such as automotive, industrial, and medical. Its main purpose is to provide a stable power supply voltage for the device it is connected to. In addition, it can also monitor the voltage and current of the device to prevent any malfunctions.

Features and Benefits

The S-8424AABFT-TB-U offers a wide range of features and benefits, including:

• Wide operational voltage range (2.5V-9.2V)
• Low quiescent current: 3.7mA at 3.3V
• High-precision regulation of output voltage (±1%)
• Fully integrated over-current and over-temperature Protections.
• Short-circuit protection.
• Input range from 2.8V to 9.2V.
• 45mV typical dropout voltage.

Application Fields

The S-8424AABFT-TB-U is suitable for a wide range of applications, including:

• Automotive digital media.
• Portable digital audio players.
• Digital cameras and camcorders.
• Portable medical devices.
• Smart phones and wireless communications devices.
• Digital home appliances.
• Industrial control systems.

Working Principle

The S-8424AABFT-TB-U is a low dropout regulator that works on the principle of negative feedback.

In a basic voltage regulator circuit, an input voltage is applied to the input of the device which is then regulated by a series of capacitors, resistors and transistors. The output voltage is then monitored by a feedback loop and compared to the input voltage. If the output voltage is too high, the output transistor is switched off to reduce the output voltage, and if the output voltage is too low, it is switched on to increase the output voltage. In this way, the voltage is regulated to the required level.

Another important feature of the S-8424AABFT-TB-U is its over-current and over-temperature protection. If the current going through the device exceeds a certain level, it will shut off the output voltage to prevent damage to the device. Similarly, if the temperature rises above the maximum allowable level, the device will shut off the output voltage.

Conclusion

The S-8424AABFT-TB-U is a versatile and powerful low dropout regulator and monitor suitable for a wide range of applications. Its low dropout voltage and integrated over-current and over-temperature protection make it an ideal choice for portable and automotive applications. In addition, its high-precision regulation ensures that it can provide a stable and reliable power supply for the system.

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