UA78L15ACD

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The UA78L15ACD is a three-terminal voltage regulator from Fairchild Semiconductor. It is an adjustable linear regulator with an output range of 1.2V to 15V.

The device provides an output current up to 100mA and is designed to provide an easy and convenient way to generate a regulated supply voltage. The UA78L15ACD is available in a low-profile, SOT-223 surface mount package, making it ideal for space-constrained applications.

Like many linear voltage regulators, the UA78L15ACD uses a series of transistors to regulate the output voltage. The device includes an error amplifier, a voltage reference, and an output stage all in a single package, allowing it to adjust the output voltage in response to the desired input voltage. The device also includes an enable control feature, allowing it to be disabled when not in use.

The UA78L15ACD is designed for use in a variety of applications, such as power supplies for consumer electronics, home appliances, vehicles, and electronic toys. It is also suitable for battery-operated systems, such as laptops and phones, where circuit space is limited and efficiency is important. The device is also well-suited for applications where the output voltage is temperature-sensitive and needs to be regulated.

The UA78L15ACD can also be used in applications such as AC adapters and consumer wall plugs, where the output voltage needs to be adjustable by an external resistor. The device’s excellent thermal performance and low dropout voltage make it suitable for these applications.

Overall, the UA78L15ACD is a versatile and easy-to-use three-terminal, adjustable linear regulator from Fairchild Semiconductor. It is an ideal choice for space-constrained applications and can be used in a variety of scenarios to provide an adjustable output voltage.

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