LX8585-33CP

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: Tube packaging, 25 pieces per tube

Specifications

• Input Voltage Range: 4.75V to 7V
• Output Voltage: 3.3V
• Dropout Voltage: 0.5V (typical)
• Quiescent Current: 10mA (typical)
• Line Regulation: 0.02%/V (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LX8585-33CP has three pins:

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

Functional Features

• High precision: The LX8585-33CP ensures a precise output voltage of 3.3V, making it suitable for sensitive electronic devices.
• Low dropout voltage: With a dropout voltage as low as 0.5V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes only 10mA of current when in standby mode, minimizing power wastage.
• Excellent line and load regulation: It maintains a stable output voltage despite variations in the input voltage or changes in the load current.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Low quiescent current - Good line and load regulation

Disadvantages: - Limited input voltage range (4.75V to 7V) - Higher cost compared to other voltage regulators in the market

Working Principles

The LX8585-33CP is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 3.3V. The dropout voltage is minimized by using a low resistance pass transistor.

Detailed Application Field Plans

The LX8585-33CP is commonly used in various electronic devices, including:

1. Microcontrollers: Provides a stable power supply for microcontrollers, ensuring reliable operation.
2. Communication Systems: Used to regulate voltage in communication systems, preventing damage to sensitive components.
3. Audio Amplifiers: Ensures a steady power supply for audio amplifiers, reducing noise and distortion.
4. Battery-Powered Devices: Regulates voltage in battery-powered devices, extending battery life and improving performance.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar to LX8585-33CP, it provides a regulated output voltage of 3.3V with low dropout voltage.
2. LT1086-3.3: Offers a higher input voltage range and lower quiescent current compared to LX8585-33CP.
3. LM317T: A versatile adjustable voltage regulator that can be set to provide an output voltage of 3.3V.

These alternative models offer similar functionality and can be considered as substitutes for LX8585-33CP depending on specific requirements.

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