REG104GA-5

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REG104GA-5 is a 3-pin voltage regulator typically used to power 5V DC-DC converters. It is a part of the REG105 low dropout linear voltage regulator family. The device is ideal for providing power to 5V peripheral boards and circuits. This device is well-suited for applications such as LCD monitors, printer drivers, and set-top boxes.

The REG104GA-5 voltage regulator operates in a linear or pass-transistor-type configuration with its output voltage controlled by an error amplifier and a reference voltage. The internal error amplifier senses the output voltage to ensure that it remains within the specified limits. To prevent sub-harmonic oscillations, the internal error amplifier is loop-stabilized and can drive a pass-transistor to ground.

The voltage regulation of the device is rated at 0.25% over the full temperature range. In shutdown mode, the device has both a low-cost and high-efficiency current-source active stop circuitry. This function helps reduce power consumption when the regulator is not in use. The REG104GA-5 also features a low quiescent current of 4mA, making it ideal for battery-powered systems.

In addition, the REG104GA-5 voltage regulator features a low dropout voltage of 0.2V at 10mA load current and 0.4V at 1A. Furthermore, the device is capable of providing up to 1A continuous output current with a maximum thermal resistance of 2.5°C/W.

The REG104GA-5 voltage regulator is an excellent choice for 5V applications due to its low dropout voltage, low quiescent current, high output accuracy, and wide operating temperature range. The device is available in a variety of packages, allowing customers to choose the most cost-effective packaging solution for their applications. To further minimize the design time, the device has two selectable output voltages: 5V and 3.3V.

The REG104GA-5 voltage regulator is best suited for applications requiring precision voltage regulation and where space is at a premium. Some applications include power supplies, point of sale terminals, telecom equipment, instrumentation, and industrial control systems.

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