TPS76727QPWP

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The TPS76427QPWP is an ultra-low-noise, high-current low-dropout (LDO) linear regulator. It operates with an input voltage of 3.8 V to 18 V and delivers up to 1.2 A of output current. This device can be used to replace linear voltage regulators, as it offers superior performance and higher efficiency. It is also used in power management applications in automotive, industrial, and consumer electronics.

The TPS76427QPWP features an internal output voltage setting resistor and active current limit circuitry. It incorporates an internal power switch and uses an NMOS pass transistor to reduce power losses at low output current levels. Additionally, this device has low dropout voltage, low output voltage noise, and high output voltage accuracy.

The TPS76427QPWP offers excellent thermal performance, with a maximum exposed pad temperature of 150°C, as well as ESD protection and reverse current protection for added reliability.

Applications and Working Principle of TPS76427QPWP

The TPS76427QPWP is suitable for a wide range of applications, including portable devices, automotive systems, industrial instrumentation, and medical equipment. It is well suited for use in space-constrained applications, as it has a small SOT-23-6 footprint. The low-dropout voltage makes it suitable for powering FPGAs and ASICs, while the high output current makes it ideal for powering high-current loads.

As far as the operating principle of the TPS76427QPWP, it uses a voltage reference and an error amplifier to accurately control the output voltage within a preset range. The integrated control loop detects the output voltage and adjusts the input voltage to dissipate any excess voltage as output current. The output voltage, also known as the dropout voltage,is determined by the internal power switch and NMOS pass transistor.

The output voltage of the TPS76427QPWP is set by an integrated resistor. The low output voltage noise of this device also makes it ideal for high-speed, low-noise applications. The output voltage of the device can be adjusted to a specific value by varying the resistance value of the integrated resistor.

In addition to low output voltage noise, the TPS76427QPWP also offers protection against over-current, over-temperature, reverse current, and ESD. This makes it a robust, reliable solution for many different applications.

Conclusion

The TPS76427QPWP is an ideal solution for high-current and low-dropout linear regulation applications. It offers a wide range of features, including low output voltage noise, excellent thermal performance, active current limit circuitry and an internal power switch. This device is suitable for a wide range of applications, including portable devices, automotive systems, industrial instrumentation, and medical equipment.

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