ZR40402R25STZ

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The ZR40402R25STZ is a high-performance, low-dropout (LDO) PMIC Voltage Reference that provides highly accurate, low power, and low temperature-coefficient voltage references and is widely used in precision measurement and control applications. The ZR40402R25STZ is a low power LDO-based Voltage Reference, capable of generating a maximum output current of up to 25 mA. It offers a wide input voltage range of 2.7 to 7.5 V, allowing for a range of industrial and consumer applications.

The ZR40402R25STZ is a versatile Voltage Reference, having a wide range of available output voltage ramps. The voltage level can be set at any of the 12 output levels with an accuracy of ±0.02 V. It also features adjustable soft start, during which the output current is regulated to steps that increase linearly over time. The upper and lower limits can be set according to user requirements.

The ZR40402R25STZ is also designed to reduce power consumption. Its standby mode prevents excessive power usage when not in use, while its low-dropout current sensing protects against excessive load current. Additionally, the device features thermal protection which limits heat buildup, ensuring a safe and reliable operation.

The ZR40402R25STZ works according to a simple working principle. The main components of the device are the reference terminal, the enabling transistor, and the low-dropout (LDO) regulator stage. The reference terminal provides the reference voltage for the voltage reference, which is fed through the low resistance input of the enabling transistor. The transistor acts as a “switch” turning the LDO regulator stage on or off. When the reference voltage reaches the turn on voltage, it causes the enabling transistor to become conducting, thereby allowing the LDO regulator stage to pass its output current. The LDO regulator stage is set at a voltage level determined by the reference voltage and the enabling transistor.

Since its introduction, the ZR40402R25STZ Voltage Reference has proven itself to be an excellent choice for a wide range of precision measurement and control applications. Its wide range of output voltage ramps, adjustable soft start, low power consumption, and thermal protection make it suitable for both industrial and consumer use. With its impressive performance and precision, the ZR40402R25STZ can be found in a variety of applications, such as remote temperature and voltage measurement, high precision current and voltage regulation, precision motor control, and power management.

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