MAX667EPA+

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MAX667EPA+ is a low-dropout voltage (LDO) linear regulator designed and released by Maxim Integrated Products. It regulates the voltage level at an output of up to 15V. The supply voltage range can be between 2V and 17V, making it ideal for applications that require high accuracy and low noise performance.

Application field of MAX667EPA+

MAX667EPA+ is widely used in various mobile and consumer related applications, such as portable media players, medical electronics, automotive and consumer electronics. It is also suitable for powering FPGAs and other digital components due to its peak output current rating of 500mA. With its low quiescent current (500uA without load, 600uA with load) and excellent line and load regulations as well as low noise figures, the MAX667EPA+ is the ideal choice for applications needing stability, low noise, and high efficiency.

Working principle of MAX667EPA+

The MAX667EPA+ is based on a three-dimensional architecture with a built-in simplified drive circuit. It uses P-channel and N-channel enhancement-mode MOSFETs to actively regulate the output voltage. The operational amplifier helps to compare the reference voltage to the output voltage and keeps the output at the same level of the reference voltage. To provide stabilized output voltage the IC also covers thermal and line transmission regulations, short-circuit protection, maximum power supply rejection and current limiting.

The MAX667EPA+ also offers integrated components like external compensation, shutdown control and fault protection. OFF-ON control can be changed by connecting a logic high (+V_IN) to the shutdown pin (EN) of the linear regulator. Over-current protection (OCP) and Under-voltage-lockout (UVLO), over-voltage protection (OVP) and thermal shutdown (TSD) are integrated in the regulator for multiple absolute system protection.

In summary, the MAX667EPA+ is an excellent choice for applications that need stability, low noise, and high efficiency due to its low quiescent current, excellent line and load regulations and low noise figures. With this regulation, it provides absolute system protection with integrated components and is suitable for powering digital components, such as FPGAs, due to its peak output current rating of 500mA. Thus, MAX667EPA+ is a powerful and reliable tool for any regulating need.

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