Allicdata Part #: | LP5900SDX-2.0/NOPB-ND |
Manufacturer Part#: |
LP5900SDX-2.0/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG LINEAR 2V 150MA 6WSON |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | LP5900SDX-2.0/NOPB Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Output Configuration: | Positive |
Output Type: | Fixed |
Number of Regulators: | 1 |
Voltage - Input (Max): | 5.5V |
Voltage - Output (Min/Fixed): | 2V |
Voltage - Output (Max): | -- |
Voltage Dropout (Max): | 0.15V @ 150mA |
Current - Output: | 150mA |
Current - Quiescent (Iq): | 50µA |
Current - Supply (Max): | 230µA |
PSRR: | 85dB ~ 40dB (100Hz ~ 100kHz) |
Control Features: | Enable |
Protection Features: | Over Temperature, Short Circuit |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 6-WDFN Exposed Pad |
Supplier Device Package: | 6-WSON (2.2x2.5) |
Base Part Number: | LP5900 |
Description
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LP5900SDX-2.0/NOPB Application Field and Working Principle
Introduction
LP5900 series of adjustable linear low-dropout (LDO) regulators from Texas Instruments are specifically designed for temporary or even permanent power management applications. The product family includes three versions of LP5900-2 with 7V, 2.8 V and 1.8 V output, as well as 8V LP5900-3. The LP5900SDX-2.0/NOPB is one of the most popular LP5900 series. It is categorized as PMIC - Voltage Regulators - Linear. In this article, the application fields and working principle of LP5900SDX-2.0/NOPB will be discussed.Application Fields of LP5900SDX-2.0/NOPB
LP5900SDX-2.0/NOPB is well-suited for a variety of portable electronic devices which require an external power supply. This adjustable LDO regulator is important in reducing the output noise and stabilizing the system overall. The actual output voltage of LP5900SDX-2.0/NOPB can be adjusted over a wide range by simply selecting two external resistors, making it convenient for many different types of application fields. For example, LP5900SDX-2.0/NOPB could be used for cellular phones, digital cameras, radios and portable audio players, navigational systems, WiFi equipment and other related devices.Working Principle of LP5900SDX-2.0/NOPB
The LP5900SDX-2.0/NOPB uses the basic principles of linear regulators that allow a transistor based system to convert the input voltage to a lower, more manageable output voltage. The output voltage is then managed by the regulator\'s control loop which monitors the output voltage and adjusts it automatically as needed. The regulator contains a three-terminal device and an associated control loop, comprised of resistors and other components, which delivers the output voltage set by the resistors. The output voltage is usually a fraction of the input voltage. The signal is thenreflected by the control loop and feedback to the three-terminal device, to adjust the output voltage accordingly. The output voltage is ultimately maintained at the desired level by the control loop while the input voltage may vary.In order to deliver an adequate current to the load, LP5900SDX-2.0/NOPB utilizes a low-dropout (LDO) voltage regulator, which regulates the output voltage throughout the entire operating range of the device, as long as the input is greater than the output by at least the LDO dropout voltage. An important feature of LDO regulators is that they do not rely on the output voltage or current to regulate the device, so that the voltage is reasonably stable even if the load requirements change.Conclusion
In this article, the application field and working principle of the LP5900SDX-2.0/NOPB adjustable linear low-dropout (LDO) regulator have been discussed. This device is suitable for portable electronic devices that require a steady output voltage, and its output voltage is adjustable by two external resistors, making it a good choice for many types of application. Working principles of the LP5900SDX-2.0/NOPB are based on the principles of linear regulators and their associated control loops, allowing the output voltage to be maintained at a steady level even when the input voltage may vary.The specific data is subject to PDF, and the above content is for reference
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