Texas Instruments

TPS79430DCQ  

Linear & Switching Voltage Regulators

TPS79430DCQ Description

The TPS79430DCQ is a high-performance linear regulator designed for applications requiring a stable 3V output with a maximum input voltage of 5.5V. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Surface Mount SOT223-6 package. The regulator is designed to deliver a continuous output current of 250mA, making it suitable for a wide range of low-power applications. With a dropout voltage of only 0.21V at full load, the TPS79430DCQ ensures efficient power conversion even at low input-to-output voltage differentials.

TPS79430DCQ Features

• Output Type: Fixed 3V output voltage, ensuring stable power supply for sensitive electronics.
• Input Voltage Range: Operates from 2.5V to 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 250mA, suitable for moderate power applications.
• Low Dropout Voltage: 0.21V at 250mA, enhancing efficiency and extending battery life in portable devices.
• Low Quiescent Current: Only 220 µA, minimizing power consumption in standby mode.
• High PSRR: 65dB at 100Hz to 40dB at 100kHz, ensuring excellent noise rejection and clean output voltage.
• Enable Control: Features an enable pin for easy control and power management.
• Protection Features: Includes over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO) protections, enhancing reliability and safety.
• Compliance: RoHS3 compliant and REACH unaffected, meeting stringent environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 2 (1 Year), suitable for standard manufacturing processes.

TPS79430DCQ Applications

The TPS79430DCQ is ideal for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high PSRR make it particularly suitable for battery-powered devices, where maintaining a stable output voltage as the battery discharges is essential. Some specific use cases include:

• Portable Electronics: Ideal for smartphones, tablets, and other handheld devices where battery life and power efficiency are paramount.
• Medical Devices: Suitable for portable medical equipment that requires reliable power and low noise.
• Industrial Control Systems: Provides stable power for sensors and microcontrollers in industrial environments.
• Consumer Electronics: Applicable in a range of consumer products, from smartwatches to IoT devices, where compact size and low power consumption are key requirements.

Conclusion of TPS79430DCQ

The TPS79430DCQ from Texas Instruments stands out as a robust and efficient linear regulator, offering a combination of low dropout voltage, high PSRR, and comprehensive protection features. Its fixed 3V output and ability to deliver up to 250mA make it a versatile solution for a wide range of low-power applications. The device's compliance with environmental standards and its low quiescent current further enhance its suitability for modern, energy-efficient designs. Whether powering portable devices, medical equipment, or industrial systems, the TPS79430DCQ provides reliable performance and excellent value.

TPS79430DCQ Documents

Download datasheets and manufacturer documentation for TPS79430DCQ

PCN Assembly/Origin :

Assembly/Test Site Add 18/Nov/2011      

Datasheets :

TPS79425DGNTG4      

PCN Design/Specification :

Die Rev 13/Jul/2017       Die Attach Update RevB1 18/Apr/2017