LP5912Q1.8DRVRQ1 Integrated Circuits (ICs) |
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Allicdata Part #: | 296-44200-2-ND |
Manufacturer Part#: |
LP5912Q1.8DRVRQ1 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG LINEAR 1.8V 500MA 6WSON |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | LP5912Q1.8DRVRQ1 Datasheet/PDF |
Quantity: | 3000 |
Series: | Automotive, AEC-Q100 |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Output Configuration: | Positive |
Output Type: | Fixed |
Number of Regulators: | 1 |
Voltage - Input (Max): | 6.5V |
Voltage - Output (Min/Fixed): | 1.8V |
Voltage - Output (Max): | -- |
Voltage Dropout (Max): | 0.25V @ 500mA |
Current - Output: | 500mA |
Current - Quiescent (Iq): | 55µA |
Current - Supply (Max): | 600µA |
PSRR: | 80dB ~ 40db (100Hz ~ 100kHz) |
Control Features: | Enable, Power Good, Soft Start |
Protection Features: | Over Current, Over Temperature, Short Circuit |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | 6-WDFN Exposed Pad |
Supplier Device Package: | 6-WSON (2x2) |
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Introduction
LP5912Q1.8DRVRQ1 is a linear voltage regulator that has seen widespread adoption in current power management solutions. The regulators are designed to deliver high accuracy, low ripple and low dropout while providing features that make it suitable for power management in a wide range of applications. This article will discuss the typical application field of the LP5912Q1.8DRVRQ1, its working principle and the benefits it brings to power applications.
Application Field
The LP5912Q1.8DRVRQ1 is a linear voltage regulator, designed for use in battery powered applications. It is capable of powering from 1.8V to 5.5V, with an output current of up to 5A. Its low quiescent current and low dropout voltage of 150mV at full load ensure that it operates efficiently in both high and low ambient temperatures. Its low output noise, low power dissipation and low cost make it an attractive option for power management solutions.
The LP5912Q1.8DRVRQ1 is well suited for use in a wide range of applications such as mobile devices, personal computers, automotive systems, and other small form factor designs that require high accuracy voltage regulation and low power dissipation. It can also be used in point of load converters in applications where output voltage reconfigurability is required.
Working Principle
The LP5912Q1.8DRVRQ1 voltage regulator works by utilizing a linear regulation process to drive an internal output pass transistor. The transistor acts as a shunt regulator, which controls the amount of voltage delivered at the output. The regulator is designed to maintain the output voltage across a wide range of input voltage and load conditions.
The LP5912Q1.8DRVRQ1 features two important features that contribute to its ability to maintain a tightly regulated output voltage. First, the voltage reference is trimmed to provide a more accurate output voltage. This is done by utilizing a band-gap reference that is accurate to within 1%. Secondly, the output pass transistor is protected from overcurrent and overvoltage conditions by means of internal current and voltage limiting circuitry.
Benefits
In addition to its feature set, the LP5912Q1.8DRVRQ1 also provides several benefits. Firstly, its low dropout voltage and low quiescent current are desirable for battery powered applications, as they result in improved efficiency and longer run times. Secondly, its accurate voltage regulation provides clean reliable power supply, ensuring that peripherals are operating correctly and free from interference from other devices.
Finally, the LP5912Q1.8DRVRQ1 features several protection features that contribute to its reliability. These features include over-current protection, over-voltage protection, under-voltage lockout, and thermal shutdown. This ensures that the regulator is protected from damage due to fault conditions, such as a short circuit or an over-voltaged input.
Conclusion
The LP5912Q1.8DRVRQ1 is a high-performance linear voltage regulator that offers a wide range of features and benefits. Its low dropout voltage and low quiescent current make it suitable for battery powered applications and its accurate voltage regulation provides a clean power supply for peripherals. Its protection features provide additional reliability and longevity, ensuring that the regulator remains in service for the longest possible amount of time.
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