TPS79912YZUT

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TPS79912YZUT is a low dropout linear regulator, typically used in mobile devices, embedded systems, and battery-powered devices. It features an adjustable output voltage from 0.9V to 6.5V with a high output current capability of 1.2A. The TPS79912YZUT device is available in 7-pin UDFN package, which offers a high degree of integration and low power consumption.

TPS79912YZUT offer excellent load and line regulation, with adjustment capability of ±2.5% over a voltage range of 0.9V to 6.5V. The device operates between 2.5V to 6.5V input voltage and implements current and thermal limit protections as well as short-circuit and over-temperature protection. With its fast transient response time and low dropout voltage, the TPS79912YZUT can be employed as a voltage regulator for a wide range of battery-powered applications, such as mobile phones and IoT sensor nodes.

The TPS79912YZUT follows the well-known π-filter stability concept. It provides a stable output voltage with high efficiency and fast transient response by using an integrated output capacitor to match components from the user’s perspective. The device features an internal PMOS transistor with an integrated P-channel MOSFET connected between the input voltage and the output voltage. This allows for a low dropout voltage, which is only slightly higher than the output voltage set point. As a low dropout regulator, the TPS79912YZUT does not need to rely on a large external output capacitor to maintain stability. Instead, the input voltage must be maintained above the expected output voltage to ensure the circuit’s stability.

The TPS79912YZUT linear voltage regulator uses an integrated internal N-channel MOSFET as its output switch, which provides a stable output voltage under a variety of load conditions. The device also has an internal current limit to protect against catastrophic current overloads. The over-temperature protection feature is triggered when the die junction temperature rises to a point at which the device is forced to reduce its output current and provide thermal protection, thus preventing damage to the IC and the load. The TPS79912YZUT also provides short-circuit protection by implementing a current foldback circuit that reduces the output current to a safe level when an overload condition is present.

In summary, the TPS79912YZUT is an adjustable low-dropout linear voltage regulator with excellent load and line regulation that provide fast transient responses. It features an internal PMOS device with integrated P-channel MOSFET connected between the input and output, an integrated output capacitor for stability and a high voltage capability of up to 6.5V. The device also provides protection features such as current limit, over-temperature protection and short-circuit protection. With its low power consumption and high degree of integration, the TPS79912YZUT is suitable for a wide range of applications, including mobile phones, embedded systems and battery-powered devices.

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