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PMIC - Voltage Regulators - Linear

The PQ015EZ01ZZ is a linear type, low dropout regulator that utilizes advanced open loop architecture to provide superb line and load regulation. This can be used in consumer and industrial applications. As a low quiescent voltage device, it offers a great solution for the most energy constrained applications. It can be used to power an external device or as a self-powered IC, limiting the current going into the IC to maintain a steady voltage output. This voltage regulator is ideal for high accuracy, low current applications.

Features:

• High accuracy, low dropout voltage (1.6 V)
• Low quiescent current – less than 50 μA.
• Excellent line regulation and load regulation
• Stable operation at low voltage.
• Reverse polarity protection to protect from wrong connection.
• Easy to use and install in applications
• Small size and light weight
• Extended temperature range up to 150 °C

Applications:

The PQ015EZ01ZZ is a low dropout voltage regulator that can be adapted for a variety of applications including, but not limited to:

• Portable and battery operated digital devices, like Non-High Voltage (HV) medical equipments.
• External power supplies, like AC/DC converters, digital power supplies, etc.
• Lighting systems, such as LED lighting and microwave oven lamps.
• Automobile electronics, such as audio systems and ECUs.
• Computer systems, like scanners, keyboards and monitors.

Working Principle:

The PQ015EZ01ZZ works on an open loop architecture and utilizes an internal voltage reference to compare with an external voltage reference. With an input voltage on the input terminals, the PQ015EZ01ZZ produces a constant regulated output, even as the input voltage application field or load is varying. The PQ015EZ01ZZ will filter any AC noise, as well as limit the maximum current entering to maintain a constant voltage. The output voltage can be adjusted with external resistors to give accuracy above 0.10%.

The PQ015EZ01ZZ uses a high-speed bi-directional error amplifier to ensure that the output voltage is maintained within the specified output current. In case of sudden short circuit, the output current can be limited to a small safe value, protecting the PQ015EZ01ZZ from overloading, or any damage due to over current.

Conclusion:

The PQ015EZ01ZZ device is a great low dropout linear voltage regulator for a variety of applications. This device is perfect for applications that require precision and accuracy, as well as for applications that require low quiescent current. It is a robust and reliable device and is ideal for industrial and medical equipment. The device is also easy to use and install, and is available in a wide range of sizes and packages.

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