ADP3338AKCZ-2.5RL7 Integrated Circuits (ICs)

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PMIC stands for Power Management IC, and Voltage Regulators are one of its major power electronic components. Linear Voltage Regulators offer low noise, low ripple and voltage stability in comparison with switching regulators. The ADP3338AKCZ-2.5RL7 is a linear voltage regulator from Analog Devices. This article will discuss the application field and working principles of the ADP3338AKCZ-2.5RL7.

The application field of the ADP3338AKCZ-2.5RL7 includes, but is not limited to, powering up medium and low voltage, low power analog and digital circuits in portable electronic product. Its operation is stable over an operating temperature range of -40°C to +125°C. It can also provide a current of up to 200mA, and its voltage drop is programmable to either 2.5V or 3.3V.

The ADP3338AKCZ-2.5RL7 is a low-dropout linear regulator, with an input voltage range of 4.75V to 28V, and a Max Dropout Voltage of 1.2V at 200mA. It consists of an integrated Power MOSFET, a feedback network, and a bias current reference. The MOSFET is driven by a high-side driver circuit, which functions as the first stage of regulation. The MOSFET is operated in a linear region to provide efficient conversion of input power to output power. The feedback network is a voltage divider that measures the output voltage. The bias current reference circuit sets and maintains the reference voltage for the output voltage. The ADP3338AKCZ-2.5RL7 also features a proprietary Thermal Foldback Feature which automatically reduces the output current as the junction temperature is exceeded. This ensures operation within specified parameters and to prevent IC damage.

In summary, the ADP3338AKCZ-2.5RL7 is a linear voltage regulator from Analog Devices. It can be used in a wide range of applications for powering up medium and low voltage, low power circuits. It has a wide input voltage range and low dropout voltage, making it ideal for use in portable electronic products. Its features include a high-side driver circuit, a feedback network, and a bias current reference, as well as a proprietary Thermal Foldback Feature.

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