ZR40402R25STOB

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PMIC - Voltage Reference has a wide range of applications in many industries. The ZR40402R25STOB is a commonly used chip in this field, and its working principle is also essential to understand. Its introduction is as follows:

The ZR40402R25STOB is a 0.4V reference and current source IC, which can provide precise output voltage, current and temperature compensation over a wide temperature range. It has four selectable power options: 0.9V, 1.2V, 1.5V, and 1.8V. It is a low-cost solution for most power supply applications typical of the 0.4V voltage reference. This device has excellent temperature stability, low-noise and line/ load regulation to meet the needs of most low-voltage applications with accuracy and precision.

The ZR40402R25STOB operates on a single power supply (1.2V to 5V),and can provide an outputted current range from 10mA to 200mA with a wide range of temperature compensation. Its integrated temperature sensor can measure temperatures from -65 to +125 Celsius, allowing for accurate control over the output current and voltage. The IC also has a programmable current limit and a power standby mode. The device is also flexible in its operations and can be easily configured for different parameters for different applications.

Due to its many features and flexibility, the ZR40402R25STOB is suitable for use in a wide variety of power supply applications. It can be used in both linear and switching power supply applications, such as medical equipment, lighting, measuring instruments, and various automotive applications. It can also be used in other applications such as wireless communication, data applications, PDAs, and motor control.

The working principle of the ZR40402R25STOB is relatively simple. When the input voltage is applied across the device, it sets up a reference voltage which is independent of the input voltage. This reference voltage is then fed to a voltage regulator which adjusts the output voltage to the required level. The output current is also regulated with a current limit which is set via an external resistor. The temperature compensation loop is then used to maintain the reference voltage level over a wide operating temperature range.

In summary, the ZR40402R25STOB is a programmable voltage reference and current source IC. Its integrated temperature sensor and wide temperature compensation range make it ideal for use in a wide variety of power supply applications. The adjustable current limit, power standby mode, and programmable parameters make it easy to configure for specific applications. In addition, its simple working principle ensures reliable operation and consistent performance.

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