ZSR1000CL

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Linear voltage regulators, such as ZSR1000CL, are a core component of many power management systems, responsible for providing regulated output voltages to the desired load and supply current to the load. The ZSR1000CL is a single-stage, low dropout, rated input voltage regulator. It is designed to be used as a stand-alone linear regulator or as a supplement to switch regulators, such as buck or boost converters. The features include wide input voltage range, high output current (up to 1A), low dropout voltage, and low power consumption.

The ZSR1000CL is a three-terminal voltage regulator that operates on an input voltage of 6.0V to 20V DC. The regulator is able to provide a regulated output in the range of 1.2V to 18V. The device provides a regulated output current at up to 1A with a dropout voltage of 200mV. The device is available in a TO-220, TO-252, or SOT-223 package.

The ZSR1000CL works by using a P-channel MOSFET to regulate the output voltage. It works by comparing the output voltage with the reference voltage. The voltage feedback is then compared to the input voltage. When the output voltage is exceeded, the P-channel MOSFET conducts, allowing current to flow from the input voltage to reduce the output voltage. When the output voltage is lower than the reference voltage, the P-channel MOSFET is off, allowing no current to flow.

The device also includes protection circuit which includes current limiting, thermal shutdown, overvoltage protection and undervoltage protection. The protection circuit helps to protect the device and the load from damage caused by voltage spikes or other unwanted conditions. In addition, the device also includes a power-on reset (POR) and output voltage trim functions for better performance.

The ZSR1000CL offers low quiescent current (2.2mA) and low dropout voltage (200mV), making it suitable for both low power and high power applications. The device is monolithic, so it can be integrated directly into the PCB. It is RoHS compliant and available in different package sizes.

In summary, the ZSR1000CL is a low dropout linear voltage regulator that provides a regulated output in the range of 1.2V to 18V with up to 1A output current. The device is suitable for a wide range of applications, including battery management, audio/video systems, communication systems, industrial and process control systems, automotive, and the internet of things (IoT). The device has protection circuit which includes current limiting, thermal shutdown, overvoltage protection and undervoltage protection, as well as a power-on reset (POR) and output voltage trim functions.

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