Overview
The UCC3818DTR, manufactured by Texas Instruments, is a high-performance power factor correction (PFC) controller designed for active PFC applications. This BiCMOS-based IC is tailored to enhance system efficiency, stability, and reliability in power management systems. It is particularly suited for applications requiring improved power factor and reduced harmonic distortion.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Type | PFC Controller | - | Average Current Mode |
| Switching Frequency | 6kHz ~ 220kHz | Hz | - |
| Startup Current | 150µA | A | - |
| Supply Voltage | 9.7 V ~18 V | V | - |
| Operating Temperature | 0°C ~ 70°C | °C | - |
| Package | 16-SOIC | - | 3.90mm wide |
Key Features
- Approximate Unity Power Factor Control
- Average Current Mode Control for low harmonic distortion
- Built-in Overvoltage Protection
- Accurate Power Limiting
- Enhanced Noise Immunity
- Improved Feedforward Line Regulation
- Low Startup Current of 150µA
- Low Power BiCMOS Design
- Wide Operating Voltage Range from 12V to 17V
- Broad Frequency Range from 6kHz to 220kHz
Applications
The UCC3818DTR is widely used in various power management applications, particularly in systems requiring active power factor correction. It is ideal for use in industrial power supplies, consumer electronics, and automotive systems where efficiency and reliability are crucial. Its features make it suitable for applications that demand stable power output and minimal harmonic distortion, ensuring compliance with international power quality standards.
Q & A
What is the operating temperature range of UCC3818DTR?
The UCC3818DTR operates within a temperature range of 0°C to 70°C.
What is the startup current of UCC3818DTR?
The startup current is typically 150µA.
What type of control does UCC3818DTR use?
It uses average current mode control.
What is the supply voltage range for UCC3818DTR?
The supply voltage ranges from 9.7V to 18V.
What package does UCC3818DTR come in?
It comes in a 16-SOIC package, 3.90mm wide.
What is the switching frequency range of UCC3818DTR?
The switching frequency ranges from 6kHz to 220kHz.
Does UCC3818DTR have overvoltage protection?
Yes, it includes built-in overvoltage protection.
What is the power factor control method used in UCC3818DTR?
It uses approximate unity power factor control.
What are the key features of UCC3818DTR?
Key features include low startup current, enhanced noise immunity, and wide operating voltage range.
What applications is UCC3818DTR suitable for?
It is suitable for industrial power supplies, consumer electronics, and automotive systems.
