UA78L15ACDRG4

PMIC - Voltage Regulators - Linear

UA78L15ACDRG4

UA78L15ACDRG4 is an integrated linear 3-terminal regulator with built-in thermal shut down and current limiting. It can be used with input voltages up to 20V and 150mA, and output voltages from 1.5V to 12V. The device is rated for up to 1.5A output current and is available in 6-pin SOT-223 and small outline packages.

Application Fields

UA78L15ACDRG4 has a wide range of uses in devices, such as digital cameras, mobile phones and other portable products, where the device could be used to provide the necessary voltage supply to these components. It can also be used in audio and video equipment, computers and related electronic products, automotive electronic systems, electrical and electronic equipment, home appliance and other portable product.

Working Principle

UA78L15ACDRG4 works on the same basic principle as all 3-terminal linear voltage regulators. It uses an internal voltage reference connected to a pass transistor to regulate the output voltage. The reference voltage is compared to the incoming voltage and the pass transistor is adjusted accordingly to maintain the desired output voltage. The internal current and thermal limiting circuitry can be used to protect the device from overheating and over current situations. The pass transistor of the device is also protected from overcurrent or short-circuit conditions.

UA78L15ACDRG4 also includes thermal shut down protection, which will shut down the device if the temperature of the internal circuits rises above a certain predefined level. This feature ensures that the device is not damaged due to excessive heating. The device also includes voltage tracking and output current limiting features, which can be enabled or disabled by the user.

The device is reliable and highly efficient, and is perfect for applications where the output voltage needs to remain constant even when the incoming voltage fluctuates. It is relatively easy to assemble, configure and maintain, making it a dependable and well-suited device for a wide range of applications.