Texas Instruments

REG104GA-5/2K5G4

REG104GA-5/2K5G4 Description

The REG104GA-5/2K5G4 is a fixed-output linear regulator designed by Texas Instruments, offering a robust solution for power management applications. This device is housed in a SOT223-6 package, making it suitable for surface mount applications. It features a fixed output voltage of 5V and can deliver a maximum output current of 1A. The regulator operates with an input voltage range up to 15V, ensuring compatibility with a variety of power sources.

One of the key attributes of the REG104GA-5/2K5G4 is its low dropout voltage of 0.58V at 1A, which allows for efficient operation even when the input voltage is close to the output voltage. This feature is particularly beneficial in applications where minimizing power loss is critical. Additionally, the regulator boasts a low quiescent current of 0.7 mA and a supply current of up to 1.8 mA, contributing to its overall efficiency.

The REG104GA-5/2K5G4 includes control features such as an enable pin, allowing for dynamic control of the regulator’s operation. It also incorporates protection features like over-current and over-temperature protection, ensuring reliable performance and safeguarding against potential faults.

REG104GA-5/2K5G4 Features

• Fixed Output Voltage: 5V
• Maximum Output Current: 1A
• Maximum Input Voltage: 15V
• Low Dropout Voltage: 0.58V @ 1A
• Low Quiescent Current: 0.7 mA
• Maximum Supply Current: 1.8 mA
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Package Type: SOT223-6
• Mounting Type: Surface Mount
• Power Supply Rejection Ratio (PSRR): 65dB @ 120Hz
• Moisture Sensitivity Level (MSL): 2 (1 Year)
• Compliance: ROHS3 Compliant, REACH Unaffected

REG104GA-5/2K5G4 Applications

The REG104GA-5/2K5G4 is ideal for a range of applications where a stable and efficient power supply is required. Its fixed 5V output and 1A current capability make it suitable for powering microcontrollers, digital logic circuits, and other low-power electronic devices. The low dropout voltage ensures that the regulator can operate efficiently even with minimal headroom between the input and output voltages, making it ideal for battery-powered applications where the input voltage may vary.

The enable feature allows for dynamic control of the regulator, enabling power-saving modes in systems that require intermittent operation. The over-current and over-temperature protection features provide additional reliability, making this regulator suitable for applications in harsh environments or where high reliability is paramount.

Conclusion of REG104GA-5/2K5G4

The REG104GA-5/2K5G4 from Texas Instruments is a versatile and efficient linear regulator designed for a wide range of power management applications. Its low dropout voltage, low quiescent current, and control features make it an excellent choice for applications requiring high efficiency and reliability. Despite being marked as obsolete, the REG104GA-5/2K5G4 remains a reliable option for engineers and designers looking for a proven solution in power management. Its compliance with industry standards such as ROHS3 and REACH further enhances its suitability for modern electronic designs.