VRE3025JD

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Voltage references are one of the most important components in a power management integrated circuit. The VRE3025JD is a Voltage Reference family designed to provide a precise, high performance 15V reference voltage. It is part of a family of integrated circuit products that also includes a 15V, an adjustable 2.5 to 5.5 V and a high stability 2.5 to 5.5 V references.The VRE3025JD is a low-dropout voltage reference that is specifically designed for applications requiring precise and low-noise outputs with minimal dynamic errors. It is Ideal for applications such as digital power supplies, DC-DC converters, and other high-precision voltage regulation applications.The VRE3025JD is a monolithic integrated circuit that contains an output buffer amplifier, an output resistor and a double-pole double-throw (DPDT) switch for use in circuit applications requiring conversion between voltage ranges of input and output references. The output buffer amplifier provides a low-noise, high-impedance output that is stable across the power supply voltage range.The supply voltage range of VRE3025JD is 2.5 to 5.5V and the nominal reference output voltage is 15V with ±1% accuracy. The VRE3025JD also offers a high load regulation of ±0.02%/mA and a low output noise level of 3μVrms over the full temperature range. The voltage reference also supports a wide operating temperature range of -40°C to +125°C.The VRE3025JD features a low quiescent current of 4mA, making it ideal for ultra-low power applications. It also features a high PSRR of greater than 74dB and requires minimum input bias current. The device is offered with an integrated low resistance output resistor and is housed in a small 10-lead MSOP package.The working principle of the VRE3025JD is based on a special topology of PNP/NPN devices that have matched current gains. This topology prevents temporary out-of-regulator (OOR) conditions caused by process variations. The device uses an integrated output resistor to set the output voltage to the desired reference level. This output resistor is used to add a small amount of current to the output. This current is then regulated by the voltage reference to maintain the correct output voltage.The VRE3025JD has a series of typical applications such as DC-DC converters, ion pumps and battery-operated products, LCD power supplies, and programmable voltage sources. In DC-DC converters, it is used to set the voltage level in the output stage of the converter, whereas in ion pumps, it is used to accurately regulate the output voltage. It is also used in LCD power supplies to provide a precise voltage reference to power up the LCD.In programmable voltage sources, the VRE3025JD is used to set the exact reference level for a given device. It can be used for high-precision voltage regulation applications such as on-board computer and processor applications.In conclusion, the VRE3025JD is a low-dropout voltage reference device, which provides precise and low-noise outputs with minimal dynamic errors. The device integrates a low resistance output resistor, which can be used for high-precision voltage regulation applications such as ion pumps, LCD power supplies, and programmable voltage sources. In addition, the device offers a high PSRR and a low-quiescent current of 4mA which makes it suitable for ultra-low power applications.

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