VN7003ALHTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limiting - Wide input voltage range

Package: TO-252-3 (DPAK)

Essence: The VN7003ALHTR is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The VN7003ALHTR is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 16V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The VN7003ALHTR has three pins:

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

Functional Features

• Low Dropout Voltage: The VN7003ALHTR exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 3A, this voltage regulator can handle high power requirements.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short Circuit Current Limiting: In case of a short circuit, the VN7003ALHTR limits the output current to protect the circuit and connected devices.
• Wide Input Voltage Range: The IC can operate with input voltages ranging from 2.5V to 18V, making it suitable for a wide range of applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for powering demanding loads. - Thermal shutdown protection prevents damage due to overheating. - Short circuit current limiting protects the circuit and connected devices. - Wide input voltage range provides versatility in application.

Disadvantages: - None reported.

Working Principles

The VN7003ALHTR is based on a linear voltage regulator architecture. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the IC adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The VN7003ALHTR is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include: - Consumer electronics - Automotive systems - Industrial equipment - Telecommunications devices - Power management circuits

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar characteristics and package options.
2. LT1084: A high-current, low-dropout voltage regulator IC suitable for demanding applications.
3. LM1117: A low dropout voltage regulator IC available in various fixed output voltage options.

These alternative models offer similar functionality and can be considered as substitutes for the VN7003ALHTR depending on specific requirements.

Word count: 440 words