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LPM (Low Power Modes) or system sleep state are very important in modern electronics and computing. Regulators and other power systems must be able to switch between different voltage levels, often with very tight constraints on the time response of the system, to successfully enter them. This is the job of the TPS78630KTTTG3, a Linear Voltage Regulator.

Overview of Features

The TPS78630KTTTG3 is a low-dropout (LDO) linear regulator designed for use in low-power and portable systems. It is available in an ultra-small (1.1 mm x 1.3 mm) Wettable Flank Quad Flat No-Lead package. The device boasts a 0.05 A low-dropout voltage that ensures the device can supply the load in the majority of applications.

The TPS78630KTTTG3 has outputs in the range of 0.73 V to 5 V and is rated for a maximum output current of 0.3 A. It is capable of excellent line and load regulation at the same time thanks to its low quiescent current (IQ) of 20 μA. Expect extremely efficient operation as its efficiency goes up to 96%, meaning less wasted current and power.

The TPS78630KTTTG3 ensures that it can provide the necessary power despite any transient conditions it encounters. It has a wide variety of protection features like thermal protection, over-current protection, and over-voltage protection. It also has an adjustable current limit, allowing power systems designers to optimize the performance with their own trade-offs.

Application Field

The TPS78630KTTTG3 is designed for use in applications that require a small regulator to provide a low-noise, high-current output for peripheral devices. Examples of applications that may require the use of the device include: embedded systems, mobile phones, battery-powered systems, medical equipment, wireless communication devices, and consumer electronics.

The device is capable of regulating the output voltage while protecting against over-temperature, over-current, and over-voltage conditions. As a result, the TPS78630KTTTG3 can effectively power the peripherals of battery-powered systems by providing the precise amount of power that is needed without wasting too much power. The device allows the system to efficiently switch between different power states, ensuring low energy consumption and improved system performance.

How it Works

The TPS78630KTTTG3 is a linear regulator, meaning it works by converting an input voltage to a regulated output voltage through a series resistor. When an input voltage is applied, current flows through the resistor, reducing the voltage to the output. This ensures that the output voltage remains within the specified range regardless of load and line voltage variations because the overall voltage drop remains the same.

The feedback loop of the TPS78630KTTTG3 ensures a precise output voltage, which can be adjusted using the range of configuration pins. It also provides protection against many types of fault conditions like over-current, over-voltage, under-voltage, and over-temperature. The adjustable current limit allows the system designer to optimize the power delivery of the TPS78630KTTTG3 to their specific application.

The TPS78630KTTTG3 also has a shutdown (EN) pin that enables the system designer to control the device\'s states. In shutdown mode, the device consumes virtually no power, enabling it to be used in power-sensitive applications.

Conclusion

The TPS78630KTTTG3 is a linear voltage regulator with an extremely low dropout voltage. It provides excellent line and load regulation to keep the output voltage within specified ranges. It also features a variety of protection features to ensure the device is not damaged by fault conditions and its adjustable current limit allows designers to optimize the power delivery. This makes the TPS78630KTTTG3 an ideal choice for powering peripherals in battery-powered, low-power, and mobile systems.

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