UCC28516DWR

Product Overview

Category

UCC28516DWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• UCC28516DWR is a high-performance synchronous rectifier controller.
• It operates at a wide input voltage range, making it suitable for various power supply designs.
• The device incorporates advanced features such as adaptive dead-time control and programmable soft-start.
• It offers excellent efficiency and reliability in power conversion applications.

Package

UCC28516DWR is available in a standard SOIC-16 package.

Essence

The essence of UCC28516DWR lies in its ability to efficiently control synchronous rectification in power management systems.

Packaging/Quantity

This product is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0V to 28V
• Operating Temperature Range: -40°C to 125°C
• Switching Frequency: Up to 1MHz
• Maximum Duty Cycle: 90%
• Quiescent Current: 100µA

Pin Configuration

UCC28516DWR features a 16-pin configuration with the following pin assignments:

1. VDD - Power Supply Input
2. GND - Ground
3. FB - Feedback Input
4. COMP - Compensation Node
5. SS/TR - Soft-Start/Tracking Input
6. RT/CT - Timing Components Connection
7. SYNC - Synchronization Input
8. EN/UVLO - Enable/Input Undervoltage Lockout
9. DRVH - High-Side Gate Drive Output
10. DRVL - Low-Side Gate Drive Output
11. PGND - Power Ground
12. BST - Bootstrap Supply Input
13. VCC - Internal Regulator Output
14. SS/TR - Soft-Start/Tracking Input
15. RT/CT - Timing Components Connection
16. VDD - Power Supply Input

Functional Features

• Adaptive dead-time control for improved efficiency.
• Programmable soft-start to reduce inrush current.
• Overcurrent protection with adjustable threshold.
• Undervoltage lockout for reliable operation.
• Synchronization capability for multi-phase applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile power supply designs.
• High-performance synchronous rectification controller.
• Advanced features enhance efficiency and reliability.
• Compact SOIC-16 package for easy integration.

Disadvantages

• Limited maximum duty cycle of 90% may not be suitable for certain applications.
• Requires external timing components for operation.

Working Principles

UCC28516DWR operates by controlling the switching of synchronous rectifiers in a power management system. It utilizes adaptive dead-time control to optimize efficiency and reduce losses. The device also incorporates programmable soft-start functionality to limit inrush current during startup. By providing precise gate drive signals, UCC28516DWR ensures efficient power conversion and reliable operation.

Detailed Application Field Plans

UCC28516DWR finds application in various power management systems, including but not limited to: - DC-DC converters - AC-DC converters - LED lighting systems - Industrial power supplies - Telecom infrastructure

Detailed and Complete Alternative Models

1. UCC28517DWR
2. UCC28518DWR
3. UCC28519DWR
4. UCC28520DWR
5. UCC28521DWR

These alternative models offer similar functionality and can be considered as substitutes for UCC28516DWR in different applications.

In conclusion, UCC28516DWR is a high-performance synchronous rectifier controller that offers excellent efficiency and reliability in power management applications. Its adaptive dead-time control, programmable soft-start, and wide input voltage range make it suitable for various designs. However, it has limitations such as a maximum duty cycle of 90% and the need for external timing components. Nonetheless, UCC28516DWR is widely used in DC-DC converters, AC-DC converters, LED lighting systems, industrial power supplies, and telecom infrastructure. Alternative models like UCC28517DWR, UCC28518DWR, UCC28519DWR, UCC28520DWR, and UCC28521DWR can also be considered for similar applications.