1D03UL Product Overview

Product Identification

The 1D03UL belongs to the category of voltage regulators and is commonly used in electronic devices to stabilize the voltage supply. It is characterized by its compact size, high efficiency, and precise voltage regulation. The product is typically packaged in a small form factor and is essential for ensuring stable power delivery in various electronic applications.

Basic Information Overview

• Category: Voltage Regulator
• Use: Stabilizing voltage supply in electronic devices
• Characteristics: Compact size, high efficiency, precise voltage regulation
• Package: Small form factor
• Essence: Ensuring stable power delivery
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Input Voltage Range: 4V - 30V
• Output Voltage Range: 1.25V - 28V
• Maximum Output Current: 3A
• Dropout Voltage: 0.5V
• Operating Temperature Range: -40°C to 125°C
• Package Type: TO-220
• Thermal Resistance: 50°C/W

Detailed Pin Configuration

The 1D03UL features a standard three-pin configuration: 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

• Precise Voltage Regulation: The 1D03UL ensures a stable output voltage regardless of variations in the input supply.
• Overcurrent Protection: The device includes built-in protection against excessive output currents, safeguarding connected circuits.
• Thermal Shutdown: In case of overheating, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Compact Size: Ideal for space-constrained applications.
• High Efficiency: Minimizes power loss and heat generation.
• Wide Input Voltage Range: Suitable for diverse power sources.

Disadvantages

• Dropout Voltage: The 0.5V dropout voltage may limit its use in low-voltage applications.

Working Principles

The 1D03UL operates on the principle of feedback control, where it compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output.

Detailed Application Field Plans

The 1D03UL is widely used in: - Battery-Powered Devices: Ensures consistent power supply for portable electronics. - Automotive Electronics: Provides stable voltage for various vehicle systems. - Industrial Control Systems: Supports reliable operation of control and monitoring equipment.

Detailed and Complete Alternative Models

• 1D05UL: Higher output current version suitable for more demanding applications.
• 1D03XL: Lower dropout voltage variant for low-voltage applications.

In conclusion, the 1D03UL voltage regulator offers a compact and efficient solution for stabilizing voltage in electronic devices, making it an essential component in various applications.

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