TPS40021PWP

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The TPS40021PWP is an integrated step-down voltage regulator controller with integrated low-side and high-side switches. It offers high performance, high reliability and excellent efficiency in a wide range of applications. This controller is designed using the latest process technologies and provides superior performance in current mode control. The TPS40021PWP is ideal for applications ranging from low-noise audio to high-power and high-efficiency DC-DC converters.

The main features of this controller include a wide range of output current options from 30mA to 8A, high efficiency of up to 94%, wide input voltage range from 5 to 20V, and high accuracy current sensing and voltage sensing. Unlike other conventional controllers, the TPS40021PWP does not need any external components to perform current sensing and voltage sensing, saving board space and cost. This controller also features an integrated low-side N-Channel MOSFET and high-side P-Channel MOSFET, both of which provide high efficiency and high power. The TPS40021PWP also includes an advanced transient response algorithm to minimize output voltage deviation during transient loads.

The output of the TPS40021PWP is regulated by a current-mode control loop, which uses an external reference voltage to regulate the actual output voltage. The integrated low-side switch is used to control the output current. The duty cycle of the low-side switch is determined by the voltage that is across the sense resistor. The high-side switch is used to control the switching frequency of the converter. The switching frequency can be adjusted via an external resistor.

The TPS40021PWP can be used in a variety of different applications such as low-noise audio amplifiers, high-efficiency DC-DC converters, and linear adapter power supplies. This device is ideal for applications that require low output noise, excellent transient regulation, and high-efficiency.

In addition, this controller provides multiple protection features such as thermal protection, over-current protection, over-voltage protection, and UVLO (under-voltage lockout). This makes it possible for the TPS40021PWP to be used in a wide range of applications that require reliable and safe operation.

Overall, the TPS40021PWP is a highly advanced and reliable voltage regulator controller that is suitable for a wide range of applications. It provides superior performance and excellent efficiency, while offering a compact solution that requires minimal external components. Its integrated low-side and high-side switches make it an ideal choice for a variety of applications including low-noise audio, high-efficiency DC-DC converters and linear adapter power supplies.

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