AP7365-18WG-7

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Linear voltage regulators are a power supply component applied in a variety of electronics. One of the most commonly used linear voltage regulator is the AP7365-18WG-7. It is used to regulate a DC voltage, offering current up to 1A with a high precision output voltage of 0.85V. It also offers a high efficiency and low standby current. To get a better understanding of this voltage regulator, this article will discuss its application field, as well as its working principle.

Application Field

The AP7365-18WG-7 is mainly used in high power applications, such as servers, servers, notebook computers, and PDAs. It is also used in high current handheld devices and is superior when used in products such as cell phones due to its low power consumption, high accuracy output voltage and high efficiency. This voltage regulator has been designed to solve the design tradeoff between active current and standby current, as it provides low active and low standby current.

This voltage regulator is also used in miniature digital electronic devices due to its small size. It is equipped with an integrated active transistor, so it can deliver accurate and reliable results for many years. This product is suitable for devices that require a stable output voltage and low standby current such as smartphones and digital cameras.

Working Principle

The AP7365-18WG-7 is powered by a VIN pin and a GND pin. A loop network based on a voltage divider is connected to the output voltage pin to set the output voltage. The voltages on the two pins of the voltage divider will be one-half of the output voltage, which is also the intermediate voltage at the duplex pin. When the voltage on the PIN is higher than the voltage at the intermediate pin, the feedback loop will be closed, driving the output to an equilibrium value.

When the AH pin is at a higher voltage level, it will pull the base-emitter voltage of the active transistor to a lower value. This allows current to flow across the base and collector of the transistor, and the output voltage is then determined by the voltage drops across the external resistor divider. Meanwhile, the standby current taken from the input voltage is strongly dependent on the output voltage, and this feature of the AP7365-18WG-7 is particularly useful for devices where the power consumption must be minimized.

The AP7365-18WG-7 can also adjust the output voltage by changing the voltage on the VOUT pin. When the voltage on the VOUT pin is higher than the intermediate voltage at the duplex pin, the output voltage will increase; Conversely, if the voltage of VOUT pin is lower than the intermediate voltage at the duplex pin, then the output voltage will decrease.

Conclusion

The AP7365-18WG-7 is a versatile and reliable linear voltage regulator. It is used in a variety of electronics and highly efficient due to its low active and standby current and low output voltage. Its ability to adjust the output voltage by changing the voltage on the VOUT pin also makes it easier to regulate the power supply for active and standby operations. The working principle of this voltage regulator is also fairly easy to understand as it is based on a voltage divider and an active transistor which controls the output voltage.

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