AP7344-3328RH4-7

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The PMIC (Power Management Integrated Circuits) Voltage Regulators Linear, are a device designed to maintain a stable output voltage despite variations in power source or load current. The AP7344-3328RH4-7 is a high-performance 3.3-V output voltage regulator, specifically designed for low quiescent current applications. It features a low drop-out voltage of 250 mV, wide input voltage range from 4.2 V to 17 V, and ±2% output voltage accuracy over a wide operating temperature range.

The AP7344-3328RH4-7 is well-suited for a wide range of applications including powering Bluetooth LE modules, personal computers, mobile phones, and other high-speed and high-current applications.

Working Principle

The basic working principle of the AP7344-3328RH4-7 is relatively simple. It uses a voltage reference, a voltage error amplifier, a pass transistor, and a feedback loop to ensure the output voltage is maintained at the desired level. The voltage reference provides a stable reference voltage to the error amplifier, which compares that voltage with the voltage of the output. If the output voltage is higher than the reference, the error amplifier reduces the pass transistor\'s resistance and thereby reducing the load current passing through the voltage regulator. Conversely, if the output voltage is lower than the reference voltage, the error amplifier increases the resistance of the pass transistor, thus increasing the load current passing through the voltage regulator. This mechanism ensures that the output voltage remains relatively constant despite changes in the power supply or load current.

To further ensure optimal performance, the AP7344-3328RH4-7 includes a circuit that senses the junction temperature of the regulator and adjusts the output voltage accordingly. This allows the output voltage to stay consistent despite changes in ambient temperature. In addition, the AP7344-3328RH4-7 features an integrated thermal shutdown circuit that protects it from damage in the event of excessive temperatures.

Applications

The AP7344-3328RH4-7 can be used in various applications, including powering Bluetooth LE modules, personal computers, and mobile phones. The low drop-out voltage and wide input voltage range make it well-suited for applications requiring very accurate, low-noise voltage control. The ±2% output voltage accuracy ensures optimal performance, and the integrated thermal shutdown circuit protects the regulator from damage due to excessive temperatures.

In addition, the AP7344-3328RH4-7 is well-suited for high-speed, high-current applications requiring stable output voltage. The integrated thermal shutdown and temperature sensing circuits protect the device from damage due to excessive temperatures, making it a reliable and reliable choice for such applications.

Conclusion

The AP7344-3328RH4-7 is a high-performance 3.3-V output voltage regulator featuring a low drop-out voltage and wide input voltage range. The ±2% output voltage accuracy and integrated thermal shutdown and temperature sensing circuits make it ideal for a wide variety of applications, including powering Bluetooth LE modules, personal computers, and mobile phones. With its low quiescent current draw, the AP7344-3328RH4-7 is a reliable and efficient choice for low power, high-speed and high-current applications requiring stable output voltage.

The specific data is subject to PDF, and the above content is for reference