L4925PD013TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output voltage, thermal shutdown protection
• Package: TO-252 (DPAK)
• Essence: This product is a voltage regulator integrated circuit designed to provide a stable and regulated output voltage for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 0.6V typical at 1A load current
• Output Current: Up to 1.5A
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.04% typical
• Quiescent Current: 80µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4925PD013TR has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the system.
2. Vout (Output Voltage): Provides the regulated output voltage.
3. Vin (Input Voltage): Connects to the input voltage source.
4. ADJ (Adjustment): Used to adjust the output voltage.

Functional Features

• High Precision: The L4925PD013TR offers excellent output voltage accuracy, ensuring stable and reliable performance.
• Low Dropout Voltage: With a low dropout voltage, this voltage regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network.
• Thermal Shutdown Protection: The device includes built-in thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High precision and stability - Low dropout voltage for efficient operation - Adjustable output voltage for flexibility - Thermal shutdown protection for enhanced reliability

Disadvantages: - Limited maximum output current (up to 1.5A) - Requires external components for proper operation

Working Principles

The L4925PD013TR is based on a linear voltage regulator architecture. It utilizes a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The device uses a pass transistor to regulate the voltage and dissipates excess power as heat.

Detailed Application Field Plans

The L4925PD013TR can be used in various applications that require a stable and regulated voltage supply. Some potential application fields include:

1. Consumer Electronics: Powering audio/video equipment, set-top boxes, and gaming consoles.
2. Automotive Electronics: Providing voltage regulation for infotainment systems, lighting modules, and sensors.
3. Industrial Control Systems: Regulating voltage for PLCs (Programmable Logic Controllers), motor drives, and instrumentation devices.
4. Telecommunications: Powering routers, switches, and network equipment.
5. Medical Devices: Voltage regulation for medical monitors, diagnostic equipment, and portable medical devices.

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator with similar characteristics.
• LT1083: High current, adjustable linear regulator suitable for demanding applications.
• LM1117: Low dropout voltage regulator available in various fixed output voltages.
• TPS7A4700: Ultra-low noise, high PSRR (Power Supply Rejection Ratio) voltage regulator.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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