REF02CESA+

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A voltage reference can be an important part of any power management integrated circuit (PMIC). The REF02CESA+ is a voltage reference in the voltage reference category of PMIC devices. This device provides a precise and stable reference voltage for use as a reference in control and regulation circuitry.

The REF02CESA+ device is designed to operate over a very wide range of conditions, and supply a stable reference voltage in spite of small input voltage drops and temperature variations. The small output impedance of the device, combined with its low temperature coefficient and low bias current, makes it an ideal choice for applications requiring precise and reliable voltage reference.

The REF02CESA+ can be used for a variety of purposes, such as in data acquisition applications, communications systems, or for selective triggering or filtering of analog or digital signals. The device is also particularly suitable for use in portable, battery powered applications, as it offers low power consumption and wide temperature range operation.

The REF02CESA+ also offers an internal 5 V buffer output, which can be used to supply up to 30 mA of current in order to minimize the loading effects of the supply voltage. Additionally, the REF02CESA+ has an externally controlled shutdown feature which can be used to reduce the power consumption to zero, when not in use.

The working principle of the REF02CESA+ is based on a bandgap voltage reference. This type of reference uses a combination of forward and reverse biased diodes with a resistor divider, to produce a stable voltage reference. The combination of forward and reverse biased diodes creates a temperature insensitive voltage reference, which is unaffected by changes in the input voltage.

The bandgap reference produces a constant reference voltage, regardless of changes in temperature, input voltage, and load variations. The voltage reference is provided by an internal resistive topology made of resistors and diodes, which produces a stable output voltage regardless of the conditions.

The REF02CESA+ has an adjustable voltage output, allowing the user to set the reference voltage to their desired level. The device also has an internal over-voltage protection circuit, which prevents the reference voltage from exceeding certain limits. Additionally, the device has an open-drain output, allowing it to be used as an open collector device.

In summary, the REF02CESA+ is a voltage reference in the voltage reference category of PMIC devices. It offers precise and stable reference voltage for use as a reference in control and regulation circuits. The device has a wide operating temperature range, and low power consumption. The device offers an adjustable voltage output and over-voltage protection mechanism, and has an open-drain output which allows it to be used as an open collector device. The working principle of the device is based on a bandgap voltage reference, which produces a constant reference voltage, regardless of changes in temperature, input voltage, and load variations.

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