VRE405BS

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PMIC - Voltage Reference

VRE405BS is an integrated device comprising of a Voltage Reference and a Series Transistor regulator together in an 8 SOIC package. It is used in battery powered applications as it offers a stable voltage reference with a low output voltage ripple. It guarantees a minimum load regulation and improves the overall efficiency of the system by regulating the voltage across the load.

Applications

VRE405BS is suitable for use in a wide range of battery powered applications such as monitors, medium power toys, consumer electronics, and portable devices. It also finds application in general-purpose DC-DC converters, automotive electronics, and distributed power management systems.

Working Principle

VRE405BS uses a Voltage Reference and a Series Transistor regulator for its operation. The voltage reference generates a precise voltage which is then regulated by the series transistor regulator. The reference voltage is compared to the input supply voltage and the output voltage is regulated to maintain a constant difference between the two. The series transistor regulator controls the output voltage of the device by changing the current through the series transistor. The series transistor adjusts the output current to keep the output voltage stable.

VRE405BS features two separate output voltages, namely VOUT1 and VOUT2. The two outputs are available simultaneously and are regulated by a single reference voltage.

Conclusion

In conclusion, VRE405BS is a versatile voltage reference and regulator solution that combines precise voltage regulation with low output voltage ripple. It is suitable for use in many battery powered applications and provides dual output voltages which can be adjusted using a single series transistor regulator.

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