VRE117MA

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Voltage Reference Devices are electronic components that accurately output a voltage and maintain the output despite changes to their input voltage. They are most commonly used in electronic systems to act as a reference voltage to a control loop, such as in a power supply, allowing it to be correctly configured despite ever-changing input supply. The VRE117MA is a Voltage Reference device manufactured by STMicroelectronics and is part of the Precision Voltage Reference (PMIC) series. This device is designed for use in portable and low-power applications and has a wide range of input voltage from 2.7V to 5.5V. It is also temperature compensated, providing accuracy over the entire range of ambient temperatures.

This device is also capable of providing a stable output voltage despite changes to its input supply. It does this by using a series of voltage regulating elements made of two resistors, two capacitors, and a Schottky diode connected to the output and the input supply. The device also utilizes a precision switching element and a temperature compensated reference voltage to ensure accuracy and stability.

The VRE117MA is provided in a tiny SOT23-3L package, measuring only 2.65mm x 1.6mm. It is also ESD-protected, making it ideal for portable applications, and has a Low Drop-Out Voltage of 400mV. This Voltage Reference device operates in both continuous and peak-current modes, reaching a maximum output current of 50mA, and also features an Active Discharge function which provides a fast rise time of under 1µs. This ensures that the device can be quickly turned off during a power surge or other over-current condition. Additionally, the device is specified for operating temperatures of -40°C to 125°C (Tj) and has a low quiescent current draw of 625uA.

In summary, the VRE117MA from STMicroelectronics is a precise and reliable Voltage Reference Device suitable for many portable applications. It has an input voltage range from 2.7V to 5.5V, a low quiescent current draw, an active discharge function for fast turn-off, and is specified for operating temperatures of -40°C to 125°C (Tj). This device has a wide range of uses and is suitable for high-current outputs, making it an ideal choice for a variety of low-power applications.

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