LDK130C15R - English Editing Encyclopedia Entry

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage
Package: TO-252-3 (DPAK)
Essence: Linear voltage regulator
Packaging/Quantity: Tape and Reel / 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 0.4V at 100mA
• Maximum Output Current: 1.5A
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LDK130C15R voltage regulator has three pins:

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

Functional Features

• High precision voltage regulation.
• Low dropout voltage for efficient power conversion.
• Excellent line and load regulation characteristics.
• Low quiescent current consumption.
• Thermal shutdown and short-circuit protection.

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures stable output. - Low dropout voltage minimizes power dissipation. - Excellent line and load regulation for reliable performance. - Low quiescent current reduces power consumption. - Thermal shutdown and short-circuit protection enhance safety.

Disadvantages: - Limited maximum output current of 1.5A. - Input voltage range restricted to 2.5V to 16V.

Working Principles

The LDK130C15R is a linear voltage regulator that maintains a constant output voltage regardless of input voltage fluctuations. It achieves this by using a pass transistor and feedback circuitry to adjust the output voltage based on the reference voltage. The dropout voltage is minimized, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The LDK130C15R is widely used in various electronic devices and systems where precise voltage regulation is required. Some common application fields include:

1. Portable Electronics: Used in smartphones, tablets, and portable media players to regulate battery voltage for stable operation.
2. Automotive Electronics: Employed in automotive infotainment systems, GPS devices, and dashboard displays to ensure reliable power supply.
3. Industrial Control Systems: Utilized in PLCs (Programmable Logic Controllers), motor control circuits, and instrumentation equipment for accurate voltage regulation.
4. Telecommunications: Integrated into networking equipment, routers, and modems to maintain consistent voltage levels.
5. Medical Devices: Found in medical instruments, patient monitoring systems, and diagnostic equipment to provide stable power to critical components.

Detailed and Complete Alternative Models

1. LDK120C10R: Similar to LDK130C15R but with a lower maximum output current of 1A.
2. LDK150C20R: Similar to LDK130C15R but with a higher maximum output current of 2A.
3. LDK110C12R: Similar to LDK130C15R but with a lower input voltage range of 2.7V to 12V.

These alternative models offer similar functionality and characteristics, allowing users to choose the most suitable option based on their specific requirements.

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