LP3878MR-ADJ

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LP3878MR-ADJ

+BOM

IC REG LIN POS ADJ 800MA 8SO

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  • 제조업체 부품 #LP3878MR-ADJ

  • 패키지 HSOIC (DDA)-8

  • 재고7441

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사양

속성 가치
Package Tube
ProductStatus Not For New Designs
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 1V
Voltage-Output(Max) 5.5V
VoltageDropout(Max) 1.1V @ 800mA
Current-Output 800mA
Current-Quiescent(Iq) 1.5 mA
Current-Supply(Max) 15 mA
PSRR 60dB (1kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

개요

Description

The LP3878MR-ADJ is a low-dropout (LDO) linear voltage regulator designed for high-current applications where high performance and efficiency are crucial. It offers an adjustable output voltage, allowing users to configure it to specific needs within a given range. Key features include a low dropout voltage, fast transient response, and low output noise, which are essential for powering sensitive electronics. The LP3878MR-ADJ is often used in applications such as microprocessors, digital signal processors (DSPs), and other digital electronic devices. It typically comes in a surface-mount package, making it suitable for compact circuit designs. The regulator includes comprehensive protection features like overcurrent and thermal shutdown, enhancing its reliability. Its high-accuracy output contributes to energy efficiency and precise power delivery. Overall, the LP3878MR-ADJ is valued for its stability, versatility, and ease of integration into various circuit designs, making it a popular choice among engineers seeking robust power management solutions.

Equivalent

Equivalent products to the LP3878MR-ADJ voltage regulator include the MIC29302, TPS793, and LD1085. These components are adjustable low-dropout (LDO) linear voltage regulators, similar to the LP3878MR-ADJ. Always check the datasheets to confirm specifications such as output voltage range, current rating, dropout voltage, and package type to ensure compatibility with your application.

Features

The LP3878MR-ADJ is a high-performance linear voltage regulator designed for applications requiring low dropout voltage and fast transient response. Key features include:
1. Adjustable Output Voltage: It supports a wide range of output voltages, adjustable via external resistors, allowing for flexibility in various applications.
2. Low Dropout Voltage: It offers a low dropout voltage, making it efficient for applications with a small difference between input and output voltages.
3. Fast Transient Response: The regulator quickly responds to changes in load current, ensuring stable output voltage under varying conditions.
4. High Accuracy: It provides precise output voltage regulation with high accuracy, reducing the need for additional calibration.
5. Current Limiting and Thermal Protection: Built-in safety features protect against over-current and overheating, enhancing reliability and longevity.
6. Low Noise: The design minimizes output voltage noise, suitable for sensitive applications requiring clean power.
7. Enable/Shutdown Functionality: It includes an enable/shutdown feature for power-saving and easy control of the output.
These features make the LP3878MR-ADJ suitable for powering digital circuits, RF applications, and other sensitive electronic systems.

Pinout

The LP3878MR-ADJ is a low-dropout (LDO) voltage regulator with an adjustable output. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin functions:
1. VIN: Input voltage pin. Supplies the regulator with input power.
2. VOUT: Output voltage pin. Delivers the regulated output voltage.
3. GND: Ground pin. Serves as the reference point for the input and output voltages.
4. ADJ: Adjust pin. Used to set the output voltage by connecting to an external resistor divider.
5. SD (Shutdown): Shutdown pin. Used to enable or disable the regulator, conserving power when not needed.
6. BP (Bypass): Bypass pin. Connecting a capacitor here can improve noise performance.
7. FB (Feedback): Feedback pin. Provides feedback from the output voltage for regulation purposes.
8. NC (No Connect): Not internally connected, often used for mechanical stability or routing purposes.
It's essential to refer to the manufacturer's datasheet for detailed specifications and application guidelines.

Manufacturer

The LP3878MR-ADJ is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is known for its wide range of products that serve various industries, including automotive, consumer electronics, industrial, and communications. TI is especially renowned for its analog chips and embedded processors, which are utilized in various electronic devices and systems.

Application

The LP3878MR-ADJ is a low-dropout (LDO) voltage regulator with adjustable output, typically used in applications where precise voltage regulation is required. Its application areas include powering microcontrollers, digital signal processors (DSPs), and other digital circuits in portable electronics, telecommunications equipment, and industrial control systems. It is also suited for battery-powered devices due to its low quiescent current and efficiency. Additionally, it can be used in post-regulation of switching power supplies and in systems demanding low noise and fast transient response.

Package

The LP3878MR-ADJ is a low dropout voltage regulator typically available in a surface-mount TO-263 (D²PAK) package type. This package allows for efficient heat dissipation, making it suitable for applications requiring robust thermal management.

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