BiCMOS PFC/PWM Combination Controller The UCC28501DW is a power factor correction (PFC) controller manufactured by Texas Instruments (TI) or Burr-Brown (BB). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI) / Burr-Brown (BB)
- **Package:** SOIC-16 (DW)
- **Type:** Power Factor Correction (PFC) Controller
- **Topology:** Boost PFC
- **Input Voltage Range:** Typically operates with universal AC input (85VAC to 265VAC)
- **Switching Frequency:** Adjustable (typically up to 250 kHz)
- **Output Voltage Regulation:** Adjustable (commonly 400V for PFC stage)
- **Control Method:** Average Current Mode Control
- **Operating Temperature Range:** -40°C to 85°C
- **Supply Voltage (VCC):** Typically 12V to 18V
### **Descriptions:**
- The UCC28501DW is a high-performance PFC controller designed for active power factor correction in AC/DC power supplies.
- It uses average current mode control to achieve near-unity power factor and low harmonic distortion.
- Suitable for applications requiring compliance with IEC 61000-3-2 harmonic standards.
- Includes features for soft-start, overvoltage protection (OVP), and undervoltage lockout (UVLO).
### **Features:**
- **Average Current Mode Control:** Ensures low input current distortion.
- **Programmable Switching Frequency:** Allows optimization for efficiency and EMI.
- **Soft-Start Function:** Reduces inrush current during startup.
- **Overvoltage Protection (OVP):** Safeguards against excessive output voltage.
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low supply conditions.
- **Low Startup Current:** Reduces standby power consumption.
- **High Drive Output:** Capable of driving external MOSFETs directly.
This information is based solely on the manufacturer's datasheet and technical documentation.
