Overview
The UCC2889D, manufactured by Texas Instruments, is an AC/DC converter designed for off-line power supply applications. This PWM controller is part of the UCC2889 series and is housed in an SOIC-8 package, making it suitable for surface-mount technology (SMT). It is RoHS compliant and operates within a temperature range of -40°C to +85°C. The UCC2889D is particularly noted for its flyback topology, which is efficient for low to medium power applications. It is targeted at designers and engineers in the power management sector who require reliable and compact solutions for AC/DC conversion.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 12, 18 | V | |
| Input Voltage - Min | 6.6 | V | |
| Input Voltage - Max | 9.3 | V | |
| Topology | Flyback | ||
| Switching Frequency | 250 | kHz | |
| Max Duty Cycle | 55 | % | |
| Operating Supply Current | 1.2 | mA | |
| Output Current | 200 | mA | |
| Operating Temperature Range | -40 to +85 | °C | |
| Package | SOIC-8 | Tube |
Key Features
- Efficient flyback topology for AC/DC conversion.
- Compact SOIC-8 package suitable for SMT applications.
- Wide operating temperature range from -40°C to +85°C.
- Low operating supply current of 1.2 mA.
- RoHS compliant, ensuring environmental safety.
Applications
The UCC2889D is widely used in various applications including industrial power supplies, consumer electronics, and automotive systems. Its ability to efficiently convert AC to DC power makes it ideal for use in power adapters, battery chargers, and LED lighting systems. The robust design and wide temperature range also make it suitable for harsh environments, ensuring reliable performance across different industries.
Q & A
What is the primary function of the UCC2889D?
The UCC2889D is primarily used as an AC/DC converter in off-line power supply applications.
What topology does the UCC2889D use?
It utilizes a flyback topology, which is efficient for low to medium power applications.
What is the operating temperature range of the UCC2889D?
It operates within a temperature range of -40°C to +85°C.
Is the UCC2889D RoHS compliant?
Yes, the UCC2889D is RoHS compliant.
What package does the UCC2889D come in?
It is available in an SOIC-8 package.
What is the maximum duty cycle of the UCC2889D?
The maximum duty cycle is 55%.
What is the switching frequency of the UCC2889D?
The switching frequency is 250 kHz.
Can the UCC2889D be used in automotive applications?
Yes, its robust design and wide temperature range make it suitable for automotive applications.
What is the output current capability of the UCC2889D?
It can deliver up to 200 mA of output current.
Where can I find detailed specifications for the UCC2889D?
Detailed specifications can be found in the official datasheet provided by Texas Instruments.
