UCC2972NG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The UCC2972NG4 is a high-performance integrated circuit designed for power management applications. It provides advanced control and protection features, making it suitable for various power supply designs.

Characteristics: - High efficiency - Wide input voltage range - Precise voltage regulation - Overcurrent protection - Thermal shutdown protection

Package: The UCC2972NG4 is available in a compact 16-pin SOIC package, which ensures easy integration into different circuit designs.

Essence: This IC serves as a crucial component in power management systems, enabling efficient and reliable operation of power supplies.

Packaging/Quantity: The UCC2972NG4 is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Output Current: 10A
• Operating Temperature Range: -40°C to 125°C
• Switching Frequency: Up to 1MHz

Detailed Pin Configuration

The UCC2972NG4 features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback voltage input
4. COMP: Compensation node for feedback loop
5. SS/TR: Soft-start and tracking control
6. EN: Enable control input
7. PGND: Power ground reference
8. ISENSE: Current sense input
9. CS: Current sense output
10. VREF: Reference voltage output
11. RT/CT: Timing components connection
12. SYNC: Synchronization input
13. UVLO: Undervoltage lockout control
14. OVLO: Overvoltage lockout control
15. SS/TR2: Additional soft-start and tracking control
16. VSENSE: Voltage sense input

Functional Features

• High Efficiency: The UCC2972NG4 incorporates advanced control techniques, resulting in high power conversion efficiency.
• Precise Regulation: It offers precise voltage regulation, ensuring stable output voltages even under varying load conditions.
• Protection Mechanisms: The IC includes overcurrent protection and thermal shutdown features, safeguarding the power supply from potential damage.
• Wide Input Voltage Range: With a wide input voltage range of 4.5V to 60V, it can be used in various applications requiring different input voltage levels.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation. - Precise voltage regulation ensures stable output. - Comprehensive protection mechanisms enhance system reliability. - Wide input voltage range allows for versatile applications.

Disadvantages: - Limited maximum output current of 10A may not be suitable for high-power applications. - Requires external timing components for operation.

Working Principles

The UCC2972NG4 operates as a pulse-width modulation (PWM) controller. It regulates the output voltage by adjusting the duty cycle of the PWM signal based on feedback information. The feedback voltage is compared with a reference voltage, and any deviation is corrected by adjusting the duty cycle. This control mechanism ensures that the output voltage remains within the desired range.

Detailed Application Field Plans

The UCC2972NG4 finds application in various power management systems, including: 1. Switch-mode power supplies (SMPS) 2. DC-DC converters 3. LED drivers 4. Industrial automation equipment 5. Telecommunications infrastructure

Its versatility and robust performance make it suitable for both consumer and industrial applications.

Detailed and Complete Alternative Models

1. UCC2973NG4
2. UCC2974NG4
3. UCC2975NG4
4. UCC2976NG4

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific power management applications.

Word count: 518 words