Texas Instruments

TPS78228DRVR

TPS78228DRVR is a high-performance, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable output voltage to sensitive electronic circuits that require a low-noise and low-quiescent current supply.

Description:

The TPS78228DRVR is a fixed-output voltage LDO with an input voltage range of 2.5V to 5.5V and an output voltage of 2.8V. It is available in a small, thermally-enhanced SOT-23 package, making it suitable for space-constrained applications.

Features:

1. Low dropout voltage: The TPS78228DRVR has a low dropout voltage of 300mV at a 1A load, ensuring stable operation even with low input voltages.
2. High PSRR: The LDO offers a high power supply rejection ratio (PSRR) of -70dB at 1kHz, providing excellent noise immunity.
3. Low quiescent current: The device has a low quiescent current of 55µA, which helps to minimize power consumption in battery-powered applications.
4. Short-circuit protection: The TPS78228DRVR features built-in short-circuit protection to prevent damage in case of a short-circuit condition.
5. Thermal shutdown: The LDO has a thermal shutdown feature that disables the output if the device temperature exceeds a safe threshold.
6. Small footprint: The SOT-23 package is compact, making it suitable for space-constrained applications.

Applications:

1. Portable devices: The low quiescent current and low dropout voltage make the TPS78228DRVR ideal for battery-powered applications, such as smartphones, tablets, and wearable devices.
2. IoT devices: The low power consumption and small footprint make it suitable for Internet of Things (IoT) devices, where space and power efficiency are critical.
3. Medical devices: The TPS78228DRVR can be used in medical devices that require a stable and low-noise power supply, such as hearing aids and portable medical instruments.
4. Industrial equipment: The LDO can be used in industrial applications where a stable and reliable power supply is required, such as sensors and control systems.
5. Automotive electronics: The TPS78228DRVR can be used in automotive applications that require a low-dropout voltage regulator, such as infotainment systems and advanced driver-assistance systems (ADAS).

In summary, the TPS78228DRVR is a high-performance, low-dropout linear voltage regulator from Texas Instruments that offers excellent noise immunity, low quiescent current, and a small footprint. It is suitable for a wide range of applications, including portable devices, IoT devices, medical devices, industrial equipment, and automotive electronics.