UCC2813N-2

Product Overview

Category

UCC2813N-2 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various power supply systems, including switch-mode power supplies (SMPS), battery chargers, and voltage regulators.

Characteristics

• UCC2813N-2 is a high-performance IC that provides precise control over power management functions.
• It offers excellent efficiency and reliability, making it suitable for demanding applications.
• The device operates over a wide input voltage range, allowing flexibility in different power supply designs.

Package

UCC2813N-2 is available in a standard 8-pin dual in-line package (DIP). This package type ensures easy integration into circuit boards and facilitates heat dissipation.

Essence

The essence of UCC2813N-2 lies in its ability to regulate and control power flow efficiently, ensuring stable and reliable operation of power supply systems.

Packaging/Quantity

UCC2813N-2 is typically packaged in reels or tubes, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 0.8V to 12V
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to 85°C
• Switching Frequency: 100kHz to 1MHz

Detailed Pin Configuration

1. VREF: Reference voltage input pin.
2. COMP: Compensation pin for feedback control loop.
3. FB: Feedback pin for regulating the output voltage.
4. GND: Ground reference pin.
5. CS: Current sense pin for monitoring the load current.
6. RT/CT: Timing components connection pins.
7. VCC: Power supply voltage input pin.
8. OUT: Output pin for the regulated voltage.

Functional Features

• Precise voltage regulation: UCC2813N-2 ensures accurate output voltage control, maintaining stability under varying load conditions.
• Current sensing and limiting: The IC incorporates a current sense pin that allows monitoring and limiting of the load current, protecting the system from overcurrent situations.
• Soft-start functionality: UCC2813N-2 includes a soft-start feature that gradually ramps up the output voltage, preventing excessive inrush current during startup.
• Protection mechanisms: The device offers built-in protection against overvoltage, undervoltage, and overtemperature conditions, enhancing system reliability.

Advantages and Disadvantages

Advantages

• High efficiency and reliability.
• Wide input voltage range.
• Compact and easy-to-integrate package.
• Comprehensive protection features.

Disadvantages

• Limited maximum output current compared to some other power management ICs.
• Requires external timing components for operation.

Working Principles

UCC2813N-2 operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching signal applied to the power stage. This control mechanism ensures efficient power transfer and maintains the desired output voltage within specified limits.

Detailed Application Field Plans

UCC2813N-2 finds applications in various power management systems, including: 1. Switch-mode power supplies (SMPS) for computers, telecommunication equipment, and industrial machinery. 2. Battery chargers for portable devices, electric vehicles, and renewable energy systems. 3. Voltage regulators for automotive electronics, consumer electronics, and lighting systems.

Detailed and Complete Alternative Models

1. UCC2813-1: Similar to UCC2813N-2 but with a different operating temperature range (-40°C to 125°C).
2. UCC2813-3: Similar to UCC2813N-2 but with a different output voltage range (0.8V to 5.5V).

These alternative models offer similar functionality and can be used as substitutes for UCC2813N-2 in various applications.

Word count: 550 words