REF1004C-1.2

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The REF1004C-1.2 voltage reference is an important device in power management integrated circuits (PMICs). It is used to provide a stable, consistent voltage reference in order to ensure that devices using it operate reliably. This article will explain the application field and working principle of the REF1004C-1.2 voltage reference.

The REF1004C-1.2 voltage reference is a linear, low-current operation variant, making it ideal for use in power- and low-noise applications. It provides an accurate stable output voltage over a wide range of temperature and supply voltage variations. The device comes with several options for the output voltage range, so it can be specifically tailored for the application.

The REF1004C-1.2 voltage reference is suitable for use in voltage monitoring, voltage scaling, and other applications that require an accurate, long-term stable output. It can also be used in systems where the power supply may vary, such as in battery-powered applications. The REF1004C-1.2 voltage reference can also help reduce power dissipation and improve system accuracy because it does not require an external current-limiting circuit.

The working principle of the REF1004C-1.2 voltage reference is based on a series of comparators. The reference voltage, typically 0.5V, is compared to a scaled version of the supply voltage. When the two voltages match, the circuit is considered in balance, which creates the reference voltage output. The on-chip voltage divider circuit ensures that the output voltage is proportional to the supply voltage and is accurate over temperature, even in applications with large temperature variations. The REF1004C-1.2 also contains a current source to limit the output current when the voltage exceeds the reference voltage level.

In summary, the REF1004C-1.2 voltage reference is an important device in PMICs. Its wide operating temperature range and accurate output voltage make it ideal for many applications, including voltage monitoring, voltage scaling, and power-supply applications. It can also help reduce power dissipation and improve system accuracy since it does not require an external current-limiting circuit. Finally, its working principle is based on a series of comparators that ensure an accurate, stable output voltage over temperature and supply voltage variations.

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