REF43GPZ

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Voltage references are an integral part of modern power management integrated circuit (PMIC) devices for reliable system operation. As the number of PMIC applications increases, so does the demand for accurate and stable references. The REF43GPZ is part of the Texas Instruments REF43 family of voltage references and is designed to meet these demands. The REF43GPZ is available in an industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.

The REF43GPZ is a temperature compensated, low-dropout voltage reference that provides a high precision, low-noise output voltage from 4.096V to 10.0V. It is specifically designed for a wide range of automotive, consumer electronic, and industrial applications. It is stable over temperature, voltage, and current variations due to its on-chip temperature compensation circuitry.

The REF43GPZ is capable of sourcing or sinking up to 15mA of current and provides a tight output voltage tolerance of 0.1%, with a precision output voltage of 4.096 V, 5.000 V or 10.0V. This tolerance is achieved through temperature compensation and trim adjustment, which allows the device to operate accurately over the entire temperature range of -40°C to 125°C. In addition, the REF43GPZ is designed to operate with a low dropout of only 35 mV at 15mA output current.

The REF43GPZ is specially designed to meet the demands of automotive, consumer electronic, and industrial applications. It is ideal for applications such as battery-level monitoring, indicating the voltage level of Li-ion or lead-acid batteries, precision voltage and current measuring circuits, power supplies, buck converters, sequencing and multi-rail supply generation. This device also provides an excellently buffered VCC for hysteresis comparators, provides a reference for amplification circuits, and can also be used for other applications requiring ultra-low power and an accurate reference.

The REF43GPZ’s internally trimmed output voltage allows it to provide enhanced accuracy, power savings, and improved system reliability. Its operating current is only 40uA, making it one of the lowest operating current devices available in the industry. The REF43GPZ’s high accuracy, low dropout voltage and tight tolerance makes it especially suited for precision voltage and current measuring circuits.

The REF43GPZ operates over a range of 2.7V to 15V input voltage and features a wide operating temperature range of -40°C to 125°C, making it suitable for harsh environments. It also features a low 10ppm/°C typical line regulation and a low 0.1% typical load regulation, ensuring that the REF43GPZ maintains accuracy over temperature, voltage and current variations. Its tight output voltage tolerance of 0.1% makes it desirable for precise and precise power measurement.

In summary, the REF43GPZ is a temperature compensated, low-dropout voltage reference specifically designed for a wide range of automotive, consumer electronic and industrial applications. It provides a high precision, low-noise output voltage from 4.096V to 10.0V, with a tight output voltage tolerance of 0.1%, making it ideal for precision voltage and current measuring circuits. It features a wide operating temperature range of -40°C to 125°C, a low 10ppm/°C typical line regulation, a low 0.1% typical load regulation and is capable of sourcing or sinking up to 15mA of current. The REF43GPZ is the perfect PMIC for applications such as battery-level monitoring, precision voltage and current measuring, power supplies, buck converters and sequencing and multi-rail supply generation.

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