VT252AFQR-ADJ

Product Overview

Category

VT252AFQR-ADJ belongs to the category of adjustable voltage regulators.

Use

This product is primarily used for regulating and stabilizing voltage levels in electronic circuits.

Characteristics

• Adjustable output voltage
• High efficiency
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection

Package

VT252AFQR-ADJ comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of VT252AFQR-ADJ lies in its ability to provide a stable and adjustable output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage Range: 1.25V - 12V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjust pin for setting the desired output voltage

Functional Features

• Adjustable output voltage allows flexibility in various applications.
• High efficiency ensures minimal power loss during voltage regulation.
• Low dropout voltage enables operation even when input voltage is close to the desired output voltage.
• Overcurrent protection safeguards the regulator and connected components from excessive current.
• Thermal shutdown protection prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with different power sources.
• Adjustable output voltage provides versatility in various electronic circuits.
• High efficiency minimizes power dissipation and extends battery life.
• Overcurrent and thermal protection enhance reliability and safety.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Requires external components for proper operation, increasing complexity.

Working Principles

VT252AFQR-ADJ utilizes a feedback mechanism to regulate the output voltage. The adjust pin (ADJ) is connected to a resistive voltage divider network, allowing the user to set the desired output voltage. The regulator compares the divided voltage with an internal reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

VT252AFQR-ADJ finds applications in various fields, including: 1. Portable electronic devices 2. Battery-powered systems 3. Automotive electronics 4. Industrial control systems 5. Telecommunications equipment

Detailed and Complete Alternative Models

1. VT251AFQR-ADJ: Similar to VT252AFQR-ADJ but with a lower output current capability.
2. VT253AFQR-ADJ: Similar to VT252AFQR-ADJ but with a higher output current capability.
3. VT254AFQR-ADJ: Similar to VT252AFQR-ADJ but with additional features such as adjustable current limit.

(Note: These alternative models are provided for illustrative purposes and may not represent the actual available options.)

In conclusion, VT252AFQR-ADJ is a versatile adjustable voltage regulator that offers high efficiency, low dropout voltage, and various protection features. Its wide range of applications and availability of alternative models make it a popular choice in the field of electronic circuit design.