LP2995MRX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, Low Quiescent Current
• Package: SOT-223
• Essence: High-performance voltage regulator with low dropout voltage and adjustable output
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 75µA
• Output Current: Up to 500mA
• Line Regulation: 0.05% typical
• Load Regulation: 0.1% typical
• Ripple Rejection: 70dB at 1kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LP2995MRX/NOPB has the following pin configuration:

```

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| | --| VIN | --| GND | --| ADJ | --| VOUT | |___________| ```

Functional Features

• Low dropout voltage: Allows operation with very small input-output voltage differentials.
• Adjustable output voltage: Provides flexibility in setting the desired output voltage.
• Low quiescent current: Ensures minimal power consumption when the load is light.
• Overcurrent and thermal protection: Safeguards the device and connected components from damage.
• Fast transient response: Maintains stable output voltage during load variations.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage suits a wide range of applications.
• Low dropout voltage enables efficient power conversion even with small voltage differentials.
• Low quiescent current minimizes power consumption in standby or low-load conditions.
• Excellent line and load regulation ensures stable output voltage under varying conditions.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• SOT-223 package may require additional heat dissipation measures for high-power operation.

Working Principles

The LP2995MRX/NOPB is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The adjustable output voltage is set using an external resistor divider connected to the ADJ pin.

Detailed Application Field Plans

The LP2995MRX/NOPB is commonly used in various applications, including:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
2. Automotive electronics: Ensures stable voltage supply for automotive modules, infotainment systems, and lighting controls.
3. Industrial equipment: Used in control systems, motor drives, and instrumentation devices.
4. Telecommunications: Suitable for powering RF modules, base stations, and communication equipment.
5. Consumer electronics: Used in portable audio players, digital cameras, and handheld gaming devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LP2995MRX/NOPB include:

1. LM1117: Low dropout voltage regulator with fixed output voltage options.
2. LT1763: Adjustable output voltage regulator with low dropout and low noise performance.
3. TPS7A47: High-performance voltage regulator with ultra-low dropout voltage and high PSRR.

These alternatives can be considered based on specific requirements and application needs.

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