LP2995M/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output voltage accuracy - Low quiescent current - Thermal shutdown protection - Short-circuit current limit

Package: SOT-223

Essence: The LP2995M/NOPB is a voltage regulator IC that provides a regulated output voltage from an input voltage source. It is designed to deliver a stable and accurate output voltage, even when the input voltage varies.

Packaging/Quantity: The LP2995M/NOPB is available in a SOT-223 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Dropout Voltage: 300mV at 250mA
• Quiescent Current: 75µA
• Output Current: Up to 250mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LP2995M/NOPB has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. IN (Input): Connects to the input voltage source.
3. EN (Enable): Controls the enable/disable function of the regulator.
4. FB (Feedback): Provides feedback for regulating the output voltage.
5. OUT (Output): Outputs the regulated voltage.

Functional Features

• Low dropout voltage: The LP2995M/NOPB can regulate the output voltage even when the input voltage is close to the desired output voltage.
• High output voltage accuracy: It provides precise and stable output voltage regulation.
• Low quiescent current: The regulator consumes minimal current when in standby mode, conserving power.
• Thermal shutdown protection: It includes a thermal shutdown feature that protects the IC from overheating.
• Short-circuit current limit: The LP2995M/NOPB has built-in protection against excessive current flow during a short circuit.

Advantages and Disadvantages

Advantages: - High output voltage accuracy ensures stable performance. - Low dropout voltage allows for efficient regulation even with low input voltages. - Low quiescent current minimizes power consumption. - Thermal shutdown protection prevents damage due to overheating. - Short-circuit current limit protects the IC and connected components.

Disadvantages: - Limited output current capacity (up to 250mA). - SOT-223 package may require additional heat dissipation measures for high-power applications.

Working Principles

The LP2995M/NOPB operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The regulator continuously monitors the input voltage and adjusts its internal components to ensure the desired output voltage is maintained, even when the input voltage fluctuates.

Detailed Application Field Plans

The LP2995M/NOPB is commonly used in various electronic devices and systems where a stable and accurate voltage supply is required. Some typical application fields include:

1. Battery-powered devices: The regulator can be used to provide a stable voltage supply for portable electronics such as smartphones, tablets, and portable audio players.
2. Automotive electronics: It is suitable for automotive applications, providing regulated voltage for sensors, actuators, and other electronic components.
3. Industrial control systems: The LP2995M/NOPB can be used in industrial automation systems, ensuring a stable voltage supply for control circuits and sensors.
4. Communication equipment: It is commonly used in networking devices, routers, and modems to regulate the voltage supply for reliable operation.

Detailed and Complete Alternative Models

1. LM1117: A popular alternative with similar specifications and package options.
2. LT1763: Offers lower dropout voltage and higher output current capability.
3. TPS7A4700: Provides ultra-low noise performance for sensitive applications.
4. ADP3339: Features a wide input voltage range and high output voltage accuracy.

These alternative models offer similar functionality and can be considered as substitutes for the LP2995M/NOPB based on specific requirements and application needs.

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