LP2995LQ/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-223
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.75V to 30V
• Output Voltage Range: 1.25V to 29V
• Dropout Voltage: 300mV at 250mA
• Quiescent Current: 75µA
• Output Current: Up to 250mA
• Line Regulation: 0.05% typical
• Load Regulation: 0.2% typical
• Ripple Rejection: 70dB typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LP2995LQ/NOPB has the following pin configuration:

1. GND: Ground connection
2. VOUT: Output voltage
3. VIN: Input voltage
4. BYP: Bypass capacitor connection
5. EN: Enable pin for turning on/off the regulator

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• Excellent line and load regulation for stable output voltage.
• Built-in thermal shutdown and current limit protection.
• Adjustable output voltage using external resistors.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables versatile applications.
• Low dropout voltage minimizes power dissipation.
• Low quiescent current prolongs battery life.
• Compact SOT-223 package facilitates space-constrained designs.
• Excellent line and load regulation ensures stable performance.

Disadvantages

• Limited output current capability (up to 250mA).
• Not suitable for high-power applications.

Working Principles

The LP2995LQ/NOPB is a linear voltage regulator that regulates the output voltage based on the input voltage. It utilizes a pass transistor to control the voltage drop across it, ensuring a stable output voltage. The regulator operates in a low dropout mode, allowing it to maintain regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The LP2995LQ/NOPB is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, handheld instruments, and battery chargers.
2. Automotive electronics: Infotainment systems, navigation devices, and lighting controls.
3. Industrial equipment: Sensors, actuators, and control systems.
4. Communication systems: Wireless routers, base stations, and network switches.
5. Consumer electronics: Set-top boxes, audio amplifiers, and LED displays.

Detailed and Complete Alternative Models

1. LM1117: Low dropout voltage regulator with adjustable output voltage.
2. LT1763: Ultra-low noise LDO regulator with high PSRR.
3. TPS7A47: High-voltage, low-IQ LDO regulator with wide input voltage range.
4. ADP3339: High-accuracy, low-dropout linear regulator with current limit protection.

These alternative models offer similar functionality and can be considered as substitutes for the LP2995LQ/NOPB in specific applications.

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