TLE2425IDRG4

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PMIC or Power Management IC is an integrated circuit (IC) which is used to provide different kinds of supply voltage and current signals specific to a required application. In context to voltage reference, it provides a stable reference voltage to a circuit. This reference voltage is used to regulate the output voltage by using a feedback control loop.

The TLE2425IDRG4 is a low voltage E24 series voltage reference IC. It has wide operating temperature providing a very accurate voltage reference, suitable for precision applications. The IC package is a small 8 lead SOIC. It provides 4 output reference voltages which are accurately regulated with temperature stability and low noise levels. The outputs are rated for 0.5mA output current.

The TLE2425IDRG4 has four independent reference voltages: 24V, 12V, 6V, and 3V. It has an internal foldback current limiting that allows it to safely operate in limited power conditions. This foldback current limit also provides protection against thermal damage, which is useful in applications that require high power dissipation. Additionally, its inrush current limitation allows it to operate in environments with high inrush current, such as automotive and power adapter applications.

The main feature of the TLE2425IDRG4 is its sophisticated temperature compensation and high stability. It uses strategically placed integrated circuit resistors for temperature compensation, providing the reference voltage with an accuracy of ±0.3mV/°C over temperature. It also has a low noise floor of less than 150 μV peak-to-peak and an output voltage stability of ±10ppm/°C. This makes the IC suitable for precision applications in a wide range of industry and consumer applications where a very stable reference voltage is required.

The working principle of the TLE2425IDRG4 is simple. It uses a three terminal zener diode, which is used to reduce the input voltage and provide a stable reference voltage. The diode has a certain threshold voltage, which is used to maintain the output voltage at a given level. When the input voltage is above this threshold, the zener diode gets forward biased, while when the voltage drops below the threshold, the zener diode gets reverse biased, thus regulating the output voltage.

In summary, the TLE2425IDRG4 is a low voltage E24 voltage reference IC with 4 independent reference voltages and sophisticated temperature compensation for accurate output voltages. It is suitable for precision applications in a wide range of industry and consumer applications. It uses a three terminal zener diode to maintain the output voltage at a given level and it provides excellent output voltage stability and low noise levels.

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