Texas Instruments

TPS79801QDGNRQ1

The TPS79801QDGNRQ1 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, as well as industrial and automotive systems.

Description:

The TPS79801QDGNRQ1 is a high-performance LDO voltage regulator that offers excellent output voltage accuracy and low quiescent current (Iq). It is available in a compact QFN package, making it suitable for space-constrained applications. The device features a low dropout voltage (LDO) of 250mV at a 1A output current, ensuring efficient power supply operation even under high current demands.

Features:

1. Ultra-low quiescent current (Iq) of 2.5µA (typical), enabling extended battery life in portable devices.
2. Low dropout voltage (LDO) of 250mV at 1A output current, providing efficient power supply operation.
3. Wide input voltage range of 2.5V to 5.5V, making it suitable for various power supply sources.
4. High output voltage accuracy of ±1%, ensuring stable and reliable voltage regulation.
5. Internal soft-start circuitry to minimize inrush current and reduce output voltage overshoot during startup.
6. Adjustable output voltage range from 0.9V to 5V, allowing for customization to specific application requirements.
7. Enable pin for easy control of the LDO operation.
8. Short-circuit protection and thermal shutdown protection for enhanced system safety and reliability.
9. Compact QFN package, suitable for space-constrained applications.

Applications:

1. Portable and battery-powered devices, such as smartphones, tablets, and wearable electronics.
2. Industrial systems, including motor drives and sensor interfaces.
3. Automotive applications, such as infotainment systems, instrument clusters, and body control modules.
4. IoT devices and wireless communication modules.
5. Medical devices, including portable monitoring equipment and wearable health monitors.
6. Power supply for microcontrollers, sensors, and other sensitive electronic components that require stable and low-noise voltage regulation.

In summary, the TPS79801QDGNRQ1 is a versatile and efficient LDO voltage regulator that offers excellent performance in terms of low quiescent current, low dropout voltage, and high output voltage accuracy. Its wide input voltage range and adjustable output voltage make it suitable for a variety of applications, from portable devices to automotive and industrial systems.