AP7343-135W5-7

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AP7343-135W5-7 is a voltage regulator from the family of LinearPMIC. It is a low dropout (LDO) linear regulator, suitable for a wide varietyof applications.
AP7343-135W5-7 features a low dropout voltage of 135mV for a 1A load current. It also has a low quiescent current of 2mA and a high power supply rejection ratio (PSRR) of 85dB. It is also capable of driving 1A of load current with a very low output noise. The design also allows for a very low output impedance, which allows for optimal performance even in high current applications.
The regulator operates on input voltage of 3V to 5.5V and is capable of providing a stable output voltage of 1.8V to 5V. It has a thermal shutdown feature that protects the regulator when the operating temperature exceeds a certain threshold. The low dropout voltage and high PSRR ensure that the output voltage is well regulated, even in noisy environments.
In terms of application fields for the AP7343-135W5-7, it can be used in a wide variety of applications, such as automotive and consumer electronics. It can be used to provide a regulated voltage source for low-power components such as microprocessors and logic ICs. It can also be used as a power supply for LED drivers, communication modules, and battery-powered devices. It is suitable for a variety of applications where a low dropout voltage and high PSRR are needed.
The working principle of the AP7343-135W5-7 is that of a basic linear regulator. It consists of a reference voltage, an error amplifier, a p-channel pass MOSFET and an output driver. The reference voltage is compared with the output voltage and the error amplifier produces a corresponding error signal. This error signal is then used to control the gate voltage of the MOSFET, which regulates the output voltage of the device. The output driver is responsible for driving the output voltage to the proper level and maintaining the output impedance level. The final output voltage is then determined by the reference voltage and the current that is allowed to pass through the pass MOSFET.

AP7343-135W5-7 provides excellent linearity for a wide variety of applications due to its low dropout voltage and high PSRR characteristics. Its low quiescent current and output impedance further improve the performance of the device and make it suitable for various applications. Its features make it well-suited for a wide variety of automotive and consumer electronics applications where low dropout voltage and high PSRR are needed.

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