VT2491AFCX-ADJ

Product Overview

Category

VT2491AFCX-ADJ belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for voltage regulation and control.

Characteristics

• Adjustable voltage output
• Compact size
• High efficiency
• Wide input voltage range
• Low power consumption

Package

VT2491AFCX-ADJ is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of VT2491AFCX-ADJ lies in its ability to provide precise and adjustable voltage regulation, ensuring stable and reliable performance of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or trays, with each reel or tray containing a specific quantity of VT2491AFCX-ADJ units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4V - 36V
• Output Voltage Range: 1.2V - 32V
• Output Current: Up to 3A
• Efficiency: >90%
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Detailed Pin Configuration

VT2491AFCX-ADJ has three pins:

1. Vin (Input Voltage)
2. Vout (Output Voltage)
3. GND (Ground)

Functional Features

• Adjustable Output: The output voltage can be easily adjusted using external resistors, allowing flexibility in various applications.
• Overcurrent Protection: The product incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown: In case of high operating temperatures, the device automatically shuts down to prevent damage.
• Short Circuit Protection: VT2491AFCX-ADJ includes short circuit protection, preventing damage to the device and connected components in case of a short circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides versatility for different applications.
• High efficiency ensures minimal power loss and reduced heat generation.
• Compact size enables integration into space-constrained designs.
• Overcurrent, thermal shutdown, and short circuit protections enhance reliability and safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external resistors for voltage adjustment, adding complexity to the circuit design.

Working Principles

VT2491AFCX-ADJ operates based on a switching regulator topology. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage. The internal control circuitry continuously monitors the feedback voltage and adjusts the duty cycle of the switching transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

VT2491AFCX-ADJ finds applications in various electronic systems, including but not limited to: - Power supplies - Battery charging circuits - LED lighting systems - Portable electronic devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to VT2491AFCX-ADJ are: - LM317: Adjustable Linear Voltage Regulator - XL6009: Adjustable Step-Up DC-DC Converter - LM2596: Adjustable Buck DC-DC Converter - LT1083: Adjustable Linear Voltage Regulator

These alternative models provide different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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