LM4128AMF-3.0/NOPB Integrated Circuits (ICs)

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Voltage reference devices are integrated circuits (ICs) used in power management and sensing applications. They provide a stable, accurate and precise reference voltage that may be used as the basis for controlling and monitoring power supply, battery and other systems. The LM4128AMF-3.0/NOPB voltage regulator is part of Texas Instrument’s LM4128 family of precision voltage references. It is designed to provide a low-noise, high-accuracy output voltage for power supply, motor control, linear regulator, and switching power supply applications.

The LM4128AMF-3.0/NOPB is a dual-output, low-dropout (LDO) voltage regulator specifically designed to provide precision output voltage trimming with low output-voltage slew rate and wide temperature range. It features a temperature-stabilized output voltage, a low drop-out voltage, fast transient response, and low supply current. The LM4128AMF-3.0/NOPB regulator is stable with low output-voltage transients and requires a minimum number of external components to achieve its high accuracy and low-noise performance.

The LM4128AMF-3.0/NOPB contains two output voltage reference circuits that provide accurate outputs of 3.0V ± 0.2 percent accuracy, with a low power supply current and fast transient response time. The output voltage is factory-calibrated and trimmed to provide the highest accuracy possible. The device also features a precision output voltage trim and a temperature-referenced output voltage trimming curve, and is ideal for applications that require a low power solution with close-loop accuracy.

The device features an under-voltage lockout (UVLO) and overload (OL) protection circuit, which ensures that the device operates safely in the intended environment. The output voltage is then fed through a voltage amplifier to provide a temperature-compensated and linear output voltage. The voltage reference is also supported with an internal current-limit protection circuit to ensure the safety of the device, along with an internal thermal shutoff to prevent thermal runaway at high junction temperatures.

The LM4128AMF-3.0/NOPB is well suited for a wide range of applications, such as battery management and power control ICs, audio ICs, security ICs and system on chip (SoC) solutions. In these applications, it can provide a precise and stable reference voltage for the design and control of power supply, ADC, DAC and other linear regulators. It is also ideal for applications requiring low output voltage fluctuations, such as test and measurement, instrumentation and consumer electronic products.

The LM4128AMF-3.0/NOPB is a robust and reliable voltage reference IC, designed to provide precision reference voltage with a high accuracy, low noise, low supply current and fast transient response. Its low drop-out voltage and wide temperature range make it suitable for a wide range of applications, while its voltage trimming and overload protection provide greater reliability and safety.

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