Texas Instruments

TPS79918DDCRG4

TPS79918DDCRG4 Description

The TPS79918DDCRG4 is a high-performance linear regulator from Texas Instruments, designed to provide a fixed output voltage of 1.8V with a maximum output current of 200mA. This device is housed in a compact SOT23-5 package, making it suitable for surface-mount applications where space is a critical consideration. The regulator is designed to operate with an input voltage range up to 6.5V, ensuring compatibility with a variety of power sources.

TPS79918DDCRG4 Features

• Fixed Output Voltage: The TPS79918DDCRG4 offers a stable output voltage of 1.8V, ideal for applications requiring a precise and consistent power supply.
• High Efficiency: With a maximum dropout voltage of 0.18V at 200mA, the regulator maintains high efficiency even under heavy load conditions, minimizing power loss and heat generation.
• Low Quiescent Current: The device features a low quiescent current of 60 µA, which is beneficial for battery-powered applications where minimizing power consumption is crucial.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 6.5V, providing flexibility in power source selection.
• Control Features: The TPS79918DDCRG4 includes an enable feature, allowing for dynamic control of the regulator's operation, which can be useful for power sequencing and power management.
• Protection Features: The regulator incorporates comprehensive protection features, including over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO). These features ensure reliable operation and protect the device and connected circuits from potential damage.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 70dB to 38dB across a frequency range of 100Hz to 100kHz, effectively filtering out noise and ripple from the input power supply to maintain a clean output voltage.
• Compliance and Reliability: The TPS79918DDCRG4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. Additionally, its moisture sensitivity level (MSL) is 1 (Unlimited), making it suitable for a wide range of manufacturing environments.

TPS79918DDCRG4 Applications

The TPS79918DDCRG4 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in portable electronics, where space and power efficiency are critical.
• Industrial Equipment: Suitable for industrial applications requiring a reliable and stable power supply, such as in control systems and instrumentation.
• Telecommunications: Can be used in communication modules and base stations where precise voltage regulation and low noise are essential.
• Automotive: The regulator's robust protection features and wide operating temperature range make it suitable for automotive applications, including infotainment systems and electronic control units.

Conclusion of TPS79918DDCRG4

The TPS79918DDCRG4 from Texas Instruments is a versatile and efficient linear regulator that offers a combination of high performance, reliability, and compact design. Its fixed 1.8V output, low dropout voltage, and comprehensive protection features make it an excellent choice for a wide range of applications. The regulator's low quiescent current and high PSRR further enhance its suitability for low-power and noise-sensitive applications. With its compliance to environmental and regulatory standards, the TPS79918DDCRG4 is a reliable and future-proof solution for power management needs.