UPT28/TR13

Product Overview

UPT28/TR13 is a versatile integrated circuit that belongs to the category of voltage regulators. It is commonly used to regulate and stabilize voltage levels in various electronic devices. The characteristics of UPT28/TR13 include its compact size, high efficiency, and robust design. It is typically packaged in a small form factor, making it suitable for space-constrained applications. The essence of UPT28/TR13 lies in its ability to provide consistent and reliable voltage regulation, contributing to the overall performance and longevity of electronic systems.

Package and Quantity

UPT28/TR13 is commonly available in surface-mount packages, and it is often supplied in reels or tubes containing multiple units per package.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 25V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C
• Dropout Voltage: 0.6V at 3A

Detailed Pin Configuration

The UPT28/TR13 features a standard pin configuration with input, output, and ground pins. The detailed pinout is as follows: - Pin 1: Input Voltage (VIN) - Pin 2: Ground (GND) - Pin 3: Output Voltage (VOUT)

Functional Features

• Voltage Regulation: UPT28/TR13 provides precise voltage regulation, ensuring stable power supply to connected components.
• Overcurrent Protection: The integrated circuit incorporates overcurrent protection mechanisms to safeguard against excessive current draw.
• Thermal Shutdown: It includes thermal shutdown functionality to prevent overheating and ensure safe operation.

Advantages and Disadvantages

Advantages

• Compact Size: UPT28/TR13's small form factor makes it suitable for space-constrained designs.
• High Efficiency: It offers high efficiency, minimizing power loss and heat generation.
• Wide Input Voltage Range: The device can accommodate a broad range of input voltages, enhancing its versatility.

Disadvantages

• Limited Output Current: The maximum output current may not be sufficient for high-power applications.
• Thermal Considerations: In certain operating conditions, thermal management may be required to maintain optimal performance.

Working Principles

UPT28/TR13 operates based on the principle of feedback control, where it continuously compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain the desired output voltage level. This feedback loop ensures that the output remains stable even in the presence of varying input voltages and load conditions.

Detailed Application Field Plans

UPT28/TR13 finds extensive application in various fields, including: - Consumer Electronics: It is used in smartphones, tablets, and portable electronic devices to regulate battery voltage and ensure consistent power delivery. - Automotive Electronics: The voltage regulator is employed in automotive systems to stabilize voltage for sensors, actuators, and onboard electronics. - Industrial Automation: It plays a crucial role in industrial automation equipment, providing reliable voltage regulation for control systems and machinery.

Detailed and Complete Alternative Models

Several alternative models offer similar functionality to UPT28/TR13, including: - LM317: A widely used adjustable voltage regulator with comparable input and output voltage ranges. - L78xx Series: These fixed voltage regulators are available in various output voltage options and are commonly used in electronic applications.

In conclusion, UPT28/TR13 stands as a reliable voltage regulator with a wide range of applications, offering stability, efficiency, and compactness in its design.

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