LM4128CQ1MF1.8/NOPB

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LM4128CQ1MF1.8/NOPB is a voltage reference which belongs to the Power Management Integrated Circuit (PMIC) family. PMICs are a type of electrical circuit which converts, filters and manages the electrical signals present in many of today\'s electronic devices. The voltage reference is an important element in the PMIC. It is the notch in between power supply and memory or processor, and it acts as a buffer for the two components.

The LM4128CQ1MF1.8/NOPB voltage reference provides the nominal 1.8 V reference voltage, which is used in many of today\'s voltage reference applications. It is designed to operate over a wide temperature range, and comes with a replaceable low-cost quartz crystal reference source. It features a ±5 mV maximum total output tolerance at 25℃, 7 ppm/℃ temperature coefficient, 1 mVpp peak-to-peak noise, and a 5.3 kHz bandwith.

The LM4128CQ1MF1.8/NOPB\'s operating conditions and applications are very broad. It can be used in various types of low voltage systems such as chargers, power management, I/O (input/output) circuits and linear regulation. It is suitable for DC/DC converter, LED driver, LCD backlight control, embedded systems, switch-mode power supply (SMPS), USB (Universal Serial Bus) port/certification, and mobile phone peripheral board applications.

The LM4128CQ1MF1.8/NOPB works on the principle of negative feedback. It relies on active components such as transistors and op-amps to maintain a constant reference voltage from its input. It continually monitors the output voltage and compares it to the reference voltage. If the output voltage changes, the LM4128CQ1MF1.8/NOPB will try to correct the change, by shifting current through the feedback loop. This ensures that the output voltage stays within the reference voltage range.

The LM4128CQ1MF1.8/NOPB also features a wide range of protection features. It includes overvoltage and overcurrent protection to help protect the system from accidental short circuits and power supply failure. It also features a low-pass filter, which helps reduce noise at the output. Additionally, the LM4128CQ1MF1.8/NOPB provides ESD (electrostatic discharge) protection. This helps protect the device from high-voltage spikes, which can damage electronic components.

In summary, the LM4128CQ1MF1.8/NOPB is a versatile voltage reference which belongs to the PMIC family and provides a nominal 1.8V reference voltage. It is designed to operate over a wide temperature range and has a variety of protection features. It is suitable for all types of low voltage systems, and its operating principles are based on negative feedback. The LM4128CQ1MF1.8/NOPB is an ideal component for a variety of voltage reference applications.

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