Texas Instruments

REG113EA-2.85/2K5

REG113EA-2.85/2K5 Description

The REG113EA-2.85/2K5 is a fixed-output linear regulator designed by Texas Instruments, offering a robust solution for power management applications. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-VSSOP package, making it suitable for surface-mount applications. The regulator is designed to provide a stable output voltage of 2.85V with a maximum input voltage of 10V, ensuring efficient power delivery to various electronic systems.

REG113EA-2.85/2K5 Features

• Output Type: Fixed
• Voltage - Input (Max): 10V
• Current - Output: 400mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 1 mA
• Voltage - Output (Min/Fixed): 2.85V
• Voltage Dropout (Max): 0.41V @ 400mA
• Current - Quiescent (Iq): 500 µA
• PSRR: 65dB (120Hz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 2 (1 Year)
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The REG113EA-2.85/2K5 stands out with its low dropout voltage of 0.41V at 400mA, which allows for efficient operation even when the input voltage is close to the output voltage. This feature is particularly beneficial in applications where the input voltage may vary or be limited. Additionally, the regulator offers a high Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, ensuring minimal noise and ripple on the output voltage, which is crucial for sensitive analog circuits.

REG113EA-2.85/2K5 Applications

The REG113EA-2.85/2K5 is ideal for a variety of applications that require a stable and efficient power supply. Its fixed output voltage of 2.85V and maximum output current of 400mA make it suitable for powering low-power microcontrollers, sensors, and other small electronic devices. The enable control feature allows for easy control of the regulator's operation, making it suitable for applications where power management is critical.

Specific use cases include:

• Low-Power Microcontrollers: The regulator's low dropout voltage and high PSRR make it an excellent choice for powering microcontrollers in battery-operated devices.
• Sensor Systems: The stable output voltage and low quiescent current ensure reliable operation of sensors in various industrial and consumer applications.
• Portable Electronics: The compact 8-VSSOP package and surface-mount compatibility make it suitable for space-constrained designs in portable electronics.

Conclusion of REG113EA-2.85/2K5

The REG113EA-2.85/2K5 from Texas Instruments is a versatile linear regulator designed to meet the demands of modern power management applications. Its low dropout voltage, high PSRR, and enable control feature make it a reliable choice for powering sensitive electronic devices. Despite being marked as obsolete, the REG113EA-2.85/2K5 remains a valuable component for designers seeking a stable and efficient power solution. Its compliance with REACH and ROHS3 standards ensures that it meets environmental and safety regulations, making it a responsible choice for various applications.