LM4128BQ1MFX3.3/NOPB

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The LM4128BQ1MFX3.3/NOPB is a precision, low dropout, two-terminal, adjustable voltage reference designed to operate over a wide input voltage values exceeding the minimum voltage requirements of a typical system. It is designed to provide a voltage source used to set the output rails of any system running with a nominal 3.3V. This device is perfect for use in applications that require precision and accuracy when operating with multiple operating voltages, such as in microprocessor or memory systems.

The LM4128BQ1MFX3.3/NOPB features an adjustable reference voltage output. It is capable of providing accurate and stable 3.3V reference voltage over a wide range of input voltages, making it suitable for systems with a variety of power supply requirements. In addition, the device is extremely temperature stable, with a 0.02%/°C temperature coefficient ensuring the accuracy of the device for temperature variations of up to 150°C.

It uses a multi-layered bandgap technology that provides low temperature coefficients and a high level of accuracy. Specifically, the on-chip bandgap circuit generates an extremely stable reference voltage of 3.3V, with values of 75ppm/V, 0.02%/°C, and 0.02%/Vdc respectively. This Circuit also ensures better performance in terms of transient response and load regulation.

The LM4128BQ1MFX3.3/NOPB application field is broad and encompasses a wide variety of power supply requirements. Some common fields include automotive, communication, industrial, and general portable systems. This application field also includes a variety of industrial applications such as, computer power supplies, LCD/LED drivers, analog and digital circuit protection, motor control and over current protection.

The LM4128BQ1MFX3.3/NOPB features a wide input voltage range, allowing for designers to create larger systems with a higher current and voltage standard. It also has a wide operating temperature range of -40°C to 150°C, enabling applications in which a wide range of temperatures may be encountered. Further contributing to its large system capability is low current dropout with up to 0.45V maximum at 3.3V, and a wide input voltage range of 4.5V to 27V.

Its working principle is straightforward; the device\'s on-chip bandgap circuit produces a stable reference voltage. The reference voltage passes through an external resistor and a voltage divider, the output of which is regulated and controlled by the active pin. This active pin allows for precise control of the output voltage and is typically used to control the voltage level of the entire system. The active pin also provides current overload protection.

In summary, the LM4128BQ1MFX3.3/NOPB is a precision, low dropout, two-terminal, adjustable voltage reference designed to operate over a wide input voltage values exceeding the minimum voltage requirements of a typical system. It possesses a wide range of application fields and is an ideal choice for systems with precision voltage requirement. Its on-chip bandgap circuit produces an extremely stable reference voltage with a wide operating temperature range, low current dropout and a wide input voltage range. All of these feature combine to make the LM4128BQ1MFX3.3/NOPB an ideal choice for Power Management Integrated Circuits (PMICs) and Voltage Reference applications.

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