AP7343-10W5-7

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 AP7343-10W5-7 is a linear voltage regulator designed for power management applications. It has an input voltage range of 4.5 V to 16 V and an output voltage range of 2.5 V to 15 V adjustable. The driver can provide up to 10 W of output power. It has a high efficiency and low ripple. The device can be used in automotive, industrial, and consumer applications.

Features and Benefits

• Wide input voltage range of 4.5 V to 16 V
• High output power of 10 W
• Wide output voltage range of 2.5 V to 15 V adjustable
• High efficiency and low ripple
• Operating temperature range of –40℃ to +85℃
• Output short circuit protection
• TTL shutdown control

Applications

• DC-DC converters
• Digital audio amplifiers
• Portable power supplies and battery chargers
• LED lighting applications
• Industrial and automotive power systems
• Telecom and networking equipment
• Consumer electronics
• Optoelectronic and medical applications

Working Principle

The AP7343-10W5-7 is a linear voltage regulator, meaning that the output voltage is directly proportional to the input voltage and only able to regulate the voltage when it exceeds a certain threshold. The device consists of an input transistor, a feedback network, and an output transistor. When input voltage is applied, the input transistor pass the current to the feedback network, which in turn controls the output current through the output transistor.

The feedback network has a voltage divider with two resistors, R1 and R2. The output voltage is determined by the ratio of the two resistors. R1 is typically connected to ground while R2 is connected to the output voltage. The feedback voltage level is set by the voltage divider and the output voltage follows this level. The output transistor acts as a switch to regulate the output voltage.

When the output voltage exceeds the preset level, the input transistor reduces the current and the output transistor stops the current flow, thus reducing the output voltage. When the output voltage falls below the preset level, the input transistor increases the current and the output transistor passes the current, thus increasing the output voltage. This process continues as long as the input voltage remains within its specified range.

Advantages

The main advantage of a linear voltage regulator is its simplicity and low cost. The device can be used in a variety of applications. It is reliable and provides good performance in most applications. The device also has low ripple and high efficiency, which helps to save power. Additionally, these devices are usually not sensitive to noise and have a wide input voltage range.

Disadvantages

One of the drawbacks of a linear voltage regulator is its limited output power. This means that it is not suitable for high power applications. Another disadvantage is that it is susceptible to thermal runaway, which can damage the components of the device. Furthermore, the output voltage drop increases with the load current, which may cause a decrease in the output voltage regulation.

Conclusion

The AP7343-10W5-7 is a linear voltage regulator designed for power management applications. It has a wide input voltage range, a high output power, and low ripple. The device can be used in automotive, industrial, and consumer applications. The main advantage of this device is its simplicity and low cost, but it has limited output power, making it unsuitable for high power applications. Overall, this device is reliable and provides good performance in most applications.

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