UCC2804D/81221G4

UCC2804D/81221G4 Product Details

Product Overview of UCC2804D/81221G4

The UCC2804D/81221G4 is a high-performance current-mode PWM controller designed by Texas Instruments for applications that demand efficient and reliable power conversion. This device integrates advanced features such as undervoltage lockout (UVLO), leading-edge blanking, and a precision voltage reference. With a fixed switching frequency and low power consumption, the UCC2804D/81221G4 ensures consistent performance across a wide temperature range, making it suitable for a variety of power management applications in both commercial and industrial environments.

Product Features of UCC2804D/81221G4

• Current-Mode Control: Provides enhanced stability and transient response for precise power regulation.

• Undervoltage Lockout (UVLO): Ensures safe operation by protecting the system during startup and shutdown.

• Leading-Edge Blanking: Reduces noise and improves signal integrity, enhancing overall performance.

• Soft-Start Capability: Minimizes inrush current, protecting components during power-up.

• Low Power Consumption: Optimized for energy-efficient applications, reducing overall power usage.

• Precision Voltage Reference: Ensures accurate output voltage regulation, crucial for sensitive applications.

• Fixed Switching Frequency: Simplifies design and improves performance predictability.

Specifications of UCC2804D/81221G4

• Manufacturer: Texas Instruments

• Part Number: UCC2804D/81221G4

• Function: Current-Mode PWM Controller

• Topology: Current-Mode

• Frequency: Fixed, 65 kHz

• Operating Temperature Range: -40°C to 85°C

• Supply Voltage: 7.6 V to 12 V

• Package / Case: SOIC-8

• Mounting Type: Surface Mount

• Current - Supply: 2.5 mA

Applications of UCC2804D/81221G4

The UCC2804D/81221G4 is ideal for a variety of power management applications, providing efficient and reliable performance in the following areas:

• Switching Power Supplies: Crucial for both AC/DC and DC/DC converters used in various electronic devices.

• Battery Management Systems: Ensures long battery life and consistent performance in portable and backup power systems.

• Industrial Automation: Powers equipment in manufacturing and process control environments, providing robust and reliable operation.

• Consumer Electronics: Used in a wide range of devices, from televisions to smartphones, requiring precise power regulation.

• Telecommunications Equipment: Supports stable power delivery in networking and communication infrastructure, crucial for reliable connectivity.

Use Cases of UCC2804D/81221G4

The UCC2804D/81221G4 is utilized in scenarios where high efficiency and reliability are paramount:

• Uninterruptible Power Supplies (UPS): Ensures continuous power supply during outages, protecting critical systems.

• Automotive Electronics: Manages power in automotive control units, infotainment systems, and electric vehicle charging stations.

• Renewable Energy Systems: Converts and regulates power from solar panels and wind turbines, optimizing energy usage.

• Networking Equipment: Powers routers, switches, and other critical networking devices, ensuring stable operation.

Shipping Methods

Common international logistics options include:

• DHL Express: Known for fast delivery and comprehensive tracking services, ideal for urgent shipments.

• FedEx International Priority: Provides reliable, time-definite delivery with extensive customs clearance support.

• UPS Worldwide Express: Features a robust global network and efficient delivery times, suitable for critical deliveries.

• TNT Express: Offers fast, on-time delivery with reliable logistics solutions, often chosen for international shipments.

• EMS (Express Mail Service): An international postal Express Mail Service, typically more cost-effective but with longer delivery times compared to private couriers.

FAQs of UCC2804D/81221G4

Q: What is the main function of the UCC2804D/81221G4?
A: The UCC2804D/81221G4 is a current-mode PWM controller designed for efficient power conversion in various applications.

Q: What is the operating temperature range of the UCC2804D/81221G4?
A: The operating temperature range is -40°C to 85°C.

Q: Does the UCC2804D/81221G4 include undervoltage lockout (UVLO)?
A: Yes, it includes undervoltage lockout to protect the system during startup and shutdown.

Q: What type of control method does the UCC2804D/81221G4 use?
A: It uses current-mode control for enhanced stability and transient response.

Q: In what types of applications is the UCC2804D/81221G4 typically used?
A: It is commonly used in switching power supplies, battery management systems, industrial automation, consumer electronics, and telecommunications equipment.