LP3883ES-1.5/NOPB

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PMIC - Voltage Regulators - Linear

The LP3883ES-1.5/NOPB is a low dropout linear voltage regulator from Texas Instruments. It is a simple, low-cost solution that provides excellent ac and dc performance. The compact size of this device makes it ideal for space-constrained designs, while the wide voltage range makes it suitable for a wide range of applications. Its output voltage can be adjusted from 1.1V to 4.2V in 25mV increments. The LP3883ES-1.5/NOPB is designed with a three-terminal voltage adjust circuit and a shutdown feature ideal for power sequencing and power management in a wide variety of systems.

LP3883ES-1.5/NOPB Applications

The LP3883ES-1.5/NOPB linear regulator is widely used for a variety of applications. It can be used as a post regulator to convert stepped down dc voltage from a DC-DC converter output. It is also used as a current regulator to interface the output of a switching regulator to higher voltage input sources. Additionally, it can be used as a ripple regulator to provide a stable output voltage from battery sources with excessive or noisy input voltages.

The LP3883ES-1.5/NOPB can be used as a regulator in various types of electronic devices such as automotive systems, industrial and instrumentation systems, computing applications, telecom systems, and other applications that require a low-noise, low-power solution.

LP3883ES-1.5/NOPB Working Principle

The LP3883ES-1.5/NOPB is a three-terminal linear voltage regulator that operates by receiving an input voltage, converting it to a fixed output voltage, and delivering the output voltage to an external load. The device combines an internal voltage reference, an error amplifier, and a low dropout (LDO) linear current regulator, into a single integrated circuit.

The device operates using a voltage reference circuit and an external resistor divider that sets the output voltage. Once the output voltage has been set, the error amplifier will compare the output voltage with the reference voltage to produce an error voltage, which is then applied to the current regulator.

The current regulator will then adjust the current flowing through the device to maintain the output voltage. The device also includes a shutdown feature that can be used to turn off the output, allowing for improved power management of the system.

Conclusion

The LP3883ES-1.5/NOPB is a versatile and cost-effective linear voltage regulator from Texas Instruments. It is designed with a wide voltage range and can be used in a variety of applications, including automotive systems, industrial and instrumentation systems, telecom systems, and computing applications. The device includes a three-terminal voltage adjust circuit and a shutdown feature, which makes it ideal for power sequencing and power management. Moreover, it operates using a voltage reference circuit and an external resistor divider that sets the output voltage.

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