Texas Instruments

TPS78418QWDRBRQ1  

Linear & Switching Voltage Regulators

The TPS78418QWDRBRQ1 is a low-power, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable and reliable voltage output for a wide range of applications, including portable and battery-powered devices, industrial equipment, and automotive systems.

Description:

The TPS78418QWDRBRQ1 is a compact, high-performance LDO regulator that offers excellent thermal performance and low quiescent current. It features a small QFN package (1x1mm), making it suitable for space-constrained applications. The device is available in a wide input voltage range (1.7V to 5.5V) and provides a fixed output voltage of 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, or 5.0V, depending on the selected model.

Features:

1. Low dropout voltage: The TPS78418QWDRBRQ1 has a low dropout voltage of 200mV at 1A load, ensuring stable output voltage even under heavy load conditions.
2. Low quiescent current: The device consumes only 1.5µA (typical) of quiescent current, making it ideal for battery-powered applications.
3. High PSRR: The LDO offers a high power supply rejection ratio (PSRR) of 80dB at 1kHz, providing excellent noise immunity.
4. Small package size: The TPS78418QWDRBRQ1 is available in a compact 1x1mm QFN package, making it suitable for space-constrained applications.
5. Wide input voltage range: The device can operate with an input voltage range of 1.7V to 5.5V, making it versatile for various power supply requirements.
6. Thermal protection: The LDO features thermal shutdown protection to prevent damage in case of overheating.
7. Fixed output voltage options: The device is available in multiple fixed output voltage options, simplifying the design process.

Applications:

1. Portable and battery-powered devices: Due to its low quiescent current and low dropout voltage, the TPS78418QWDRBRQ1 is ideal for use in portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial equipment: The LDO's high PSRR and thermal protection make it suitable for industrial applications, where stable voltage regulation and reliability are crucial.
3. Automotive systems: The TPS78418QWDRBRQ1 can be used in automotive systems, such as infotainment systems, GPS devices, and sensor interfaces, where a stable and reliable power supply is essential.
4. IoT devices: The low-power consumption and small form factor of the LDO make it suitable for Internet of Things (IoT) devices, where energy efficiency and compact design are important.
5. Medical equipment: The TPS78418QWDRBRQ1 can be used in medical devices, such as portable monitoring systems and diagnostic equipment, where stable voltage regulation and low noise are required.

TPS78418QWDRBRQ1 Documents

Download datasheets and manufacturer documentation for TPS78418QWDRBRQ1

Datasheets :

TPS784-Q1