• LP3878MR-ADJ HSOIC-8
LP3878MR-ADJ HSOIC-8

LP3878MR-ADJ

LDO Regulator Pos 1V to 5.5V 0.8A 8-Pin HSOIC EP Tube

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Overview of LP3878MR-ADJ

The LP3878MR-ADJ is an adjustable linear voltage regulator IC that offers high efficiency and low dropout voltage, making it suitable for various power management applications. It provides a stable and regulated output voltage, even with input voltage fluctuations.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VOUT: Regulated Output Voltage
  • VIN: Input Voltage
  • VFB: Feedback Voltage
  • GND: Ground Connection
  • EN: Enable Pin
  • PG: Power Good Indicator

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LP3878MR-ADJ IC for a visual representation.

Key Features

  • Adjustable Output Voltage: The LP3878MR-ADJ allows for the adjustment of the output voltage to suit specific application requirements.
  • Low Dropout Voltage: With a low dropout voltage, this IC can regulate the output voltage even when the input voltage is close to the output voltage.
  • High Efficiency: The LP3878MR-ADJ offers high efficiency levels, reducing power dissipation and improving overall performance.
  • Current Limit and Thermal Shutdown Protection: This IC features current limit protection and thermal shutdown mechanisms for enhanced safety and reliability.
  • Wide Input Voltage Range: Operates with a wide input voltage range, providing flexibility in various power supply designs.

Note: For detailed technical specifications, please refer to the LP3878MR-ADJ datasheet.

Application

  • Power Management: Ideal for use in power management applications requiring voltage regulation and stability.
  • Embedded Systems: Suitable for embedded systems, microcontrollers, and other electronic devices where a stable power supply is essential.
  • Consumer Electronics: Used in consumer electronic devices such as smartphones, tablets, and audio equipment for efficient power delivery.

Functionality

The LP3878MR-ADJ is designed to provide a stable and adjustable output voltage, making it a reliable choice for power supply regulation in various applications.

Usage Guide

  • Input/Output Connections: Connect the VIN pin to the input voltage source and the VOUT pin to the load for regulated power delivery.
  • Adjustment: Use the VFB pin to adjust the output voltage to the desired level as per the application's requirements.
  • Enable Function: The EN pin can be used to enable or disable the regulator as needed for power conservation.

Frequently Asked Questions

Q: Can the LP3878MR-ADJ handle high input voltages?
A: The LP3878MR-ADJ is designed to handle a wide range of input voltages, providing flexibility in various applications.

Q: Does the LP3878MR-ADJ require external components for operation?
A: External capacitors and resistors may be required for stability and proper functioning of the LP3878MR-ADJ. Refer to the datasheet for recommended circuit configurations.

Equivalent

For similar functionalities, consider these alternatives to the LP3878MR-ADJ:

  • LM317: A popular adjustable linear voltage regulator offering similar functionality with a different pinout and specifications.
  • LT1086: This adjustable linear regulator IC from Linear Technology provides high accuracy and low dropout voltage for precision power supply applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options Adjustable Output Iout (max) (A) 0.8
Vin (max) (V) 16 Vin (min) (V) 2.5
Vout (max) (V) 5.5 Vout (min) (V) 1
Noise (µVrms) 18 Iq (typ) (mA) 5.5
Thermal resistance θJA (°C/W) 43 Rating Catalog
Load capacitance (min) (µF) 10 Regulated outputs (#) 1
Features Enable Accuracy (%) 3
PSRR at 100 KHz (dB) 35 Dropout voltage (Vdo) (typ) (mV) 475
Operating temperature range (°C) -40 to 125

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