LP2950CN-L-3-3/TR

Basic Information Overview

• Category: Voltage Regulator
• Use: Regulates voltage in electronic circuits
• Characteristics: Low dropout, low quiescent current, high accuracy
• Package: TO-92 (3-Lead Plastic Package)
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

• Output Voltage: 3.3V
• Dropout Voltage: 0.5V (typical)
• Quiescent Current: 75µA (typical)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Maximum Input Voltage: 30V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. GND (Ground)
2. VOUT (Output Voltage)
3. VIN (Input Voltage)

Functional Features

• Low dropout voltage allows for regulation even when the input voltage is close to the output voltage.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• High accuracy provides a stable and precise output voltage.
• Short-circuit protection prevents damage to the regulator and connected components.

Advantages

• Compact TO-92 package allows for easy integration into various circuit designs.
• Wide operating temperature range enables usage in extreme environmental conditions.
• Excellent line and load regulation ensure a stable output voltage under varying conditions.

Disadvantages

• Limited maximum input voltage of 30V may not be suitable for certain applications requiring higher voltages.
• The TO-92 package may not dissipate heat efficiently, limiting its use in high-power applications.

Working Principles

The LP2950CN-L-3-3/TR 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.

Detailed Application Field Plans

• Battery-powered devices: Provides a regulated 3.3V supply for microcontrollers, sensors, and other low-power components.
• Automotive electronics: Ensures a stable voltage for various automotive systems, such as infotainment systems and engine control units.
• Industrial control systems: Regulates voltage in PLCs, motor drives, and other industrial equipment.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar specifications and package, available in SOT-223 package.
2. LT1763-3.3: Higher maximum input voltage (20V), lower dropout voltage (0.15V), available in SOT-23 package.

(Note: The above alternative models are provided for reference and may have different characteristics or package options.)

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