LD6915LX/3018PH

Product Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High efficiency, low power consumption
• Package: TO-220
• Essence: Linear voltage regulator
• Packaging/Quantity: Bulk packaging, 100 units per box

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.2V - 37V
• Output Current: 1.5A
• Dropout Voltage: 1.5V @ 1.5A
• Line Regulation: 0.2%
• Load Regulation: 0.4%
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD6915LX/3018PH has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Provides a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage ensures efficient power conversion.
• Built-in thermal shutdown and current limit protection.
• Suitable for various applications requiring regulated voltage supply.

Advantages

• High efficiency resulting in low power dissipation.
• Wide input voltage range allows flexibility in usage.
• Compact TO-220 package enables easy integration into circuits.
• Excellent line and load regulation ensures stable output.

Disadvantages

• Limited output current capability compared to some other voltage regulators.
• Requires external capacitors for stability, increasing component count.

Working Principles

The LD6915LX/3018PH is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The LD6915LX/3018PH is commonly used in various electronic devices, including:

1. Power supplies for microcontrollers and other digital ICs.
2. Battery-powered devices requiring stable voltage supply.
3. Automotive electronics such as car audio systems and lighting controls.
4. Industrial control systems and instrumentation.
5. Communication equipment and networking devices.

Detailed and Complete Alternative Models

1. LM317: Adjustable linear voltage regulator with higher output current capability.
2. LM7805: Fixed 5V linear voltage regulator suitable for low-power applications.
3. LT1084: High-current adjustable linear voltage regulator with low dropout voltage.

These alternative models offer different features and specifications, providing options based on specific requirements.

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