LX8584-33CV

Product Overview

Category: Voltage Regulator
Use: Provides a stable output voltage for electronic devices
Characteristics: High precision, low dropout voltage, low quiescent current
Package: TO-220
Essence: Linear voltage regulator
Packaging/Quantity: Tape and reel, 1000 units per reel

Specifications

• Input Voltage Range: 4.5V to 7V
• Output Voltage: 3.3V
• Dropout Voltage: 0.5V (typical)
• Quiescent Current: 75µA (typical)
• Load Regulation: ±1%
• Line Regulation: ±0.2%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LX8584-33CV has three pins:

1. Input (VIN): Connects to the input voltage source.
2. Output (VOUT): Provides the regulated output voltage.
3. Ground (GND): Connected to the ground reference.

Functional Features

• High precision: The LX8584-33CV ensures a precise output voltage of 3.3V, allowing for accurate operation of electronic devices.
• Low dropout voltage: With a dropout voltage as low as 0.5V, this voltage regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes only 75µA of current when in standby mode, minimizing power consumption.
• Thermal shutdown protection: The LX8584-33CV includes built-in thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Low quiescent current - Thermal shutdown protection

Disadvantages: - Limited input voltage range (4.5V to 7V) - Relatively high load and line regulation

Working Principles

The LX8584-33CV is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly. This feedback mechanism ensures a stable output voltage of 3.3V, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The LX8584-33CV is commonly used in various electronic devices that require a stable 3.3V power supply. Some typical applications include:

1. Microcontrollers: Provides a reliable power source for microcontrollers, ensuring proper operation.
2. Communication Systems: Used in communication systems to regulate voltage for signal processing circuits.
3. Industrial Control Systems: Ensures stable power supply for control systems in industrial environments.
4. Automotive Electronics: Used in automotive applications to provide a constant voltage for sensors and control modules.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package type.
2. LT1086-3.3: Offers higher load regulation and lower dropout voltage compared to LX8584-33CV.
3. TPS73633: Provides low quiescent current and excellent line regulation.

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

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