Noise - 0.1Hz to 10Hz:	6µVp-p
Base Part Number:	REF5020
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C (TA)
Current - Supply:	1.25mA
Voltage - Input:	2.7 V ~ 18 V
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	5ppm/°C
Tolerance:	±0.05%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.048V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Power Management Integrated Circuits (PMICs) provide the ability to accurately regulate and manage the power supply of the systems in which they are included. One type of PMIC, the Voltage Reference, can provide a stable, reliable source of voltage. The REF5020MDREP is one such Voltage Reference.

Application Field

The REF5020MDREP operates in a wide input/output voltage range, so it can be used in applications involving a high voltage (up to 45 V) or a low voltage (as low as 1.8 V). Its low power consumption (<20µA) makes the REF5020MDREP the perfect fit for designs in which power efficiency is of the utmost importance. Its low operating current (1.2 mA) and high output ripple tolerance also make the REF5020MDREP suitable for applications in which reliable output is required. The REF5020MDREP is also capable of Interfacing with analog or digital circuits, making it a very versatile Voltage Reference offering excellent performance for a variety of applications.

Working Principle

At the heart of the REF5020MDREP is an internal temperature-compensated bandgap reference which provides an output voltage of 1.25 V. This reference voltage is then amplified by a set of external resistors and their associated voltage divider network to determine the output voltage of the device. The reference voltage is further regulated by an error amplifier which uses an external resistor and capacitor network to compensate for any temperature fluctuation and form an active low pass filter in order to reduce the noise on the output voltage.The REF5020MDREP also features an external enable pin, which allows for adjusting or disabling the device’s output voltage. Additionally, the REF5020MDREP is designed to operate at very low currents, which makes it suitable for battery-powered applications.

Conclusion

The REF5020MDREP is a versatile, low power Voltage Reference device, making it an excellent choice for a wide range of applications. It offers excellent accuracy over a wide range of input/output voltages, making it suitable for both high and low voltage applications. Its low power consumption and low operating current makes it ideal for battery-powered applications, and its temperature compensation and active low pass filter make it a reliable, noise-free solution. With its many features, the REF5020MDREP Voltage Reference is an excellent choice for any application in need of a reliable and accurate voltage reference.

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