HTPLREG12TC

Product Overview

Category: Voltage Regulator
Use: To regulate and stabilize voltage levels in electronic circuits
Characteristics: High precision, low dropout voltage, compact size
Package: TO-220
Essence: Linear voltage regulator
Packaging/Quantity: Individually packaged, quantity per package varies by supplier

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage Range: 1.2V to 18V
• Maximum Output Current: 1A
• Dropout Voltage: 0.3V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The HTPLREG12TC voltage regulator has three pins:

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

Functional Features

• High precision regulation: The HTPLREG12TC ensures a stable output voltage even with varying input voltages.
• Low dropout voltage: It can operate with a small voltage difference between the input and output, minimizing power dissipation.
• Thermal protection: The regulator includes built-in thermal shutdown circuitry to prevent overheating.
• Short-circuit protection: In case of a short circuit, the device shuts down to protect itself and the connected circuitry.

Advantages and Disadvantages

Advantages: - High precision regulation ensures reliable performance. - Low dropout voltage minimizes power dissipation. - Compact size allows for easy integration into various electronic devices. - Thermal and short-circuit protection enhance safety and durability.

Disadvantages: - Limited maximum output current (1A). - Higher cost compared to some other voltage regulator options. - Requires external capacitors for stability in certain applications.

Working Principles

The HTPLREG12TC is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output. The dropout voltage is minimized by using a low resistance pass element.

Detailed Application Field Plans

The HTPLREG12TC is commonly used in various electronic devices and systems, including:

1. Power supplies for microcontrollers and digital circuits
2. Battery-powered devices requiring stable voltage levels
3. Automotive electronics, such as infotainment systems and engine control units
4. Industrial control systems and automation equipment
5. Communication devices, such as routers and modems

Detailed and Complete Alternative Models

1. LM7805: A popular 5V linear voltage regulator with similar characteristics.
2. LT1084: Adjustable linear voltage regulator with higher maximum output current.
3. LM317: Versatile adjustable linear voltage regulator with wide input/output voltage range.

These alternative models offer different specifications and features, providing flexibility for various application requirements.

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