Texas Instruments

TPS77428DGK

TPS77428DGK Description

The TPS77428DGK is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 2.8V and capable of delivering a maximum output current of 250mA. This regulator is housed in an 8-pin VSSOP package, making it suitable for surface-mount applications. It features a maximum input voltage of 10V and a low dropout voltage of 0.48V at 250mA, ensuring efficient operation even under low input-to-output voltage differentials.

TPS77428DGK Features

• Fixed Output Voltage: The TPS77428DGK provides a stable 2.8V output, making it ideal for applications requiring a consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.48V at 250mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The device operates with a quiescent current of only 125 µA, minimizing power consumption and extending battery life in portable devices.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 55dB at 1kHz, effectively filtering out noise from the input supply and ensuring clean output voltage.
• Control Features: Equipped with enable and power good control features, the TPS77428DGK allows for precise control and monitoring of the power supply.
• Protection Features: Over-current, over-temperature, and reverse polarity protections ensure robustness and reliability in various operating conditions.
• Compliance: The TPS77428DGK is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments.

TPS77428DGK Applications

The TPS77428DGK is well-suited for a variety of applications where a stable, low dropout voltage regulator is required. Its fixed 2.8V output and low quiescent current make it ideal for battery-powered devices, portable electronics, and low-power systems. The high PSRR and protection features ensure reliable performance in sensitive applications such as medical devices, industrial controls, and communication systems.

Conclusion of TPS77428DGK

The TPS77428DGK from Texas Instruments is a versatile and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for applications requiring stable power supply. The device's compliance with environmental and safety standards further enhances its suitability for a wide range of industries. Whether used in portable devices or critical industrial systems, the TPS77428DGK offers performance and reliability that set it apart from similar models.