GXSC Voltage Reference Source Replaces REF3012 in Inverter Applications with Power Consumption as Low as 125μA

A voltage reference source is an electronic device or circuit module that provides a stable and precise voltage output, and its output voltage is not affected by factors such as power supply voltage fluctuations, ambient temperature changes, and load changes, and is characterized by high accuracy, low noise, and high stability. The main function of the inverter is to convert DC voltage to AC voltage, in which the parameters such as amplitude and frequency of the output AC voltage need to be precisely controlled. The voltage reference source provides a stable reference voltage for the inverter‘s control circuit to ensure that the inverter output voltage stays within the set accuracy range. This article mainly introduces a GXSC voltage reference source to replace REF3012 for inverter application, the chip has certain price advantage and stable supply.

Stable reference voltage can make the inverter control circuit work in a stable state, GXSC voltage reference source has a low temperature drift (10ppm / ° C), low power consumption, high-precision CMOS and other characteristics of its maximum initial accuracy of ± 0.2%, but also provides 25uVp-p / low output noise, and most ADC and DAC compatible.

The GXSC voltage reference is suitable for operation at very low currents and consumes less than 125 µA. Available in a small SOT-23 package, the device‘s low output voltage hysteresis and low long-term output voltage drift further improve stability and system reliability. In addition, the device‘s small size and low operating current favor portable and battery-powered applications. The features are as follows:

- Initial accuracy: ±0.2% of maximum value

- Temperature coefficient: 35ppm/°C max -40°C to +125°C

- Operating temperature range: -40°C to +125°C

- Low power consumption current: 125μA

- Ultra-low zero-negative voltage drop: 200mV

- Input voltage: 2.7~5.5V; Output current: ±10mA

- Long-term stability: 45ppm/1000 hours