UCC2809PWTR-1G4

Product Overview

Category

UCC2809PWTR-1G4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications, specifically for controlling and regulating switch-mode power supplies.

Characteristics

• Integrated circuit
• Power management functionality
• Switch-mode power supply control
• High efficiency
• Compact size

Package

UCC2809PWTR-1G4 is available in a small-sized package known as TSSOP-14 (Thin Shrink Small Outline Package). This package offers ease of handling and efficient heat dissipation.

Essence

The essence of UCC2809PWTR-1G4 lies in its ability to efficiently regulate and control switch-mode power supplies, ensuring optimal performance and energy efficiency.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of UCC2809PWTR-1G4 ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 8V to 18V
• Output Voltage Range: 0V to 5V
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 3.3V to 5V
• Frequency Range: 50kHz to 1MHz

Pin Configuration

UCC2809PWTR-1G4 features a total of 14 pins, each serving a specific function. The pin configuration is as follows:

1. VREF: Reference voltage input
2. COMP: Error amplifier output
3. FB: Feedback input
4. CS: Current sense input
5. RT/CT: Timing resistor/capacitor connection
6. GND: Ground
7. VCC: Power supply input
8. OUT: Output voltage
9. SYNC: Synchronization input
10. SS/TR: Soft-start/Shutdown control
11. UVLO: Under-voltage lockout
12. EN/UV: Enable/Undervoltage protection control
13. NC: No connection
14. NC: No connection

Functional Features

• High-efficiency power management
• Precise regulation of switch-mode power supplies
• Error amplifier for accurate feedback control
• Soft-start and shutdown control for smooth operation
• Synchronization capability for multi-phase operation
• Under-voltage lockout and protection features

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Compact size allows for space-saving designs
• Accurate regulation ensures stable power output
• Soft-start feature prevents sudden current surges
• Synchronization capability enables multi-phase operation

Disadvantages

• Limited maximum output current (500mA)
• Restricted input and output voltage ranges (8V to 18V and 0V to 5V, respectively)
• Operating temperature range may not be suitable for extreme environments

Working Principles

UCC2809PWTR-1G4 operates based on the principle of pulse width modulation (PWM). It receives an input voltage and generates a regulated output voltage by controlling the switching of power transistors in a switch-mode power supply circuit. The error amplifier compares the feedback voltage with the reference voltage, adjusting the duty cycle of the PWM signal to maintain the desired output voltage.

Detailed Application Field Plans

UCC2809PWTR-1G4 finds extensive application in various fields, including:

1. Consumer Electronics: Used in power supplies for televisions, audio systems, and gaming consoles.
2. Industrial Automation: Employed in motor drives, robotics, and control systems.
3. Automotive: Integrated into power management systems for electric vehicles and hybrid cars.
4. Renewable Energy: Utilized in solar inverters and wind turbine power converters.
5. Telecommunications: Incorporated in power supplies for networking equipment and communication devices.

Detailed and Complete Alternative Models

1. UCC2809PWTR-1
2. UCC2809PWTR-2
3. UCC2809PWTR-3
4. UCC2809PWTR-4
5. UCC2809PWTR-5

These alternative models offer similar functionality and characteristics to UCC2809PWTR-1G4, providing flexibility and options for different design requirements.

In conclusion, UCC2809PWTR-1G4 is a highly efficient integrated circuit used for controlling switch-mode power supplies. Its compact size, accurate regulation, and various features make it suitable for a wide range of applications in consumer electronics, industrial automation, automotive, renewable energy, and telecommunications sectors.