LP2951CS-L-5-0

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output Voltage
• Package: TO-263-5 (D2PAK)
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

• Input Voltage Range: 7V to 30V
• Output Voltage Range: 5V to 20V
• Dropout Voltage: 0.5V (typical)
• Output Current: 100mA (maximum)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.2% (typical)
• Quiescent Current: 75µA (typical)

Detailed Pin Configuration

The LP2951CS-L-5-0 has a total of 5 pins: 1. GND: Ground pin 2. ADJ: Adjust pin for setting the output voltage 3. VOUT: Output voltage pin 4. VIN: Input voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Thermal shutdown protection prevents damage due to excessive heat.

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage suits different requirements.
• Low dropout voltage enables efficient regulation even with low input-output differentials.
• Excellent line and load regulation ensures stable output voltage.
• Thermal shutdown protection enhances reliability.

Disadvantages

• Limited output current capability may not be suitable for high-power applications.
• The TO-263-5 package may require additional heat dissipation measures in certain cases.

Working Principles

The LP2951CS-L-5-0 is a linear voltage regulator that uses a 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 accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a PNP pass transistor and a low-voltage reference.

Detailed Application Field Plans

The LP2951CS-L-5-0 can be used in various applications where a stable and adjustable voltage supply is required. Some common application fields include: - Battery-powered devices - Portable electronic devices - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the LP2951CS-L-5-0 include: - LM317: Adjustable Linear Voltage Regulator - LT1086: Low Dropout Positive Fixed Voltage Regulator - ADP3339: Low Dropout Linear Regulator - MAX603: Micropower, Low-Dropout, Precision Voltage Reference

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