UCC2813DTR-0G4

Product Overview

Category

UCC2813DTR-0G4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

• High efficiency
• Low standby power consumption
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

UCC2813DTR-0G4 is available in a small outline package (SOT-23-6).

Essence

The essence of UCC2813DTR-0G4 lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

UCC2813DTR-0G4 is typically packaged in reels, with each reel containing 3000 units.

Specifications

• Input Voltage Range: 7V to 25V
• Output Voltage Range: 1.2V to 20V
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to 85°C
• Switching Frequency: 100kHz to 1MHz

Pin Configuration

UCC2813DTR-0G4 has six pins arranged as follows:

```

---

| | --| VREF GND|-- Pin 1: Ground --| COMP FB |-- Pin 2: Feedback --| CS RT |-- Pin 3: Current Sense / Timing Resistor --| SS OUT |-- Pin 4: Soft Start / Output --| VCC UVLO|-- Pin 5: Supply Voltage / Under Voltage Lockout |___________| ```

Functional Features

1. Voltage Regulation: UCC2813DTR-0G4 provides precise voltage regulation for stable power supply.
2. Current Sensing: The IC incorporates current sensing to protect against overcurrent conditions.
3. Soft Start: Soft start functionality ensures a gradual increase in output voltage during startup, preventing excessive inrush current.
4. Under Voltage Lockout: UCC2813DTR-0G4 includes under voltage lockout to prevent operation below a specified voltage threshold.
5. Thermal Shutdown: The IC features thermal shutdown protection to safeguard against overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Overcurrent and thermal protection enhance reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• SOT-23-6 package may require additional heat dissipation measures in certain scenarios.

Working Principles

UCC2813DTR-0G4 operates based on the principle of pulse width modulation (PWM). It regulates the output voltage by adjusting the duty cycle of the switching signal. By comparing the feedback voltage with a reference voltage, the IC controls the power switch to maintain the desired output voltage.

Detailed Application Field Plans

UCC2813DTR-0G4 finds extensive application in various fields, including but not limited to: 1. Power supplies for consumer electronics 2. Battery chargers 3. LED lighting systems 4. Industrial automation equipment 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for UCC2813DTR-0G4 are: 1. LM2576-ADJ 2. LT1073 3. TPS5430

These models offer similar functionalities and can be used as alternatives depending on specific requirements.

In conclusion, UCC2813DTR-0G4 is a versatile integrated circuit used for power management applications. Its high efficiency, adjustable output voltage, and various protection features make it suitable for a wide range of electronic devices.