Power Factor Controller The MC33262P is a power factor controller IC manufactured by Motorola. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Motorola
- **Type:** Power Factor Controller (PFC) IC
- **Package:** 8-Pin DIP (Dual In-line Package)
- **Operating Voltage Range:** 10V to 16V (typical)
- **Start-Up Current:** Low (typically 150µA)
- **Operating Frequency:** Adjustable (typically up to 250kHz)
- **Output Drive:** Totem-pole output (suitable for driving MOSFETs)
- **Current Sense Input:** Includes an internal multiplier for power factor correction
- **Error Amplifier:** Built-in transconductance amplifier for voltage regulation
- **Overvoltage Protection (OVP):** Includes OVP comparator for safety
### **Descriptions:**
The MC33262P is designed for power factor correction in AC-DC power supplies. It operates in a boost converter configuration to improve power factor by shaping the input current waveform to match the input voltage. The IC includes features such as zero-current detection, voltage error amplification, and a multiplier for accurate current shaping.
### **Features:**
- **Power Factor Correction (PFC):** Ensures high power factor (>0.95) in AC-DC converters.
- **Low Start-Up Current:** Enables efficient operation at low power levels.
- **Zero-Current Detection:** Prevents reverse recovery issues in the boost diode.
- **Precision Reference Voltage:** 2.5V reference for accurate voltage regulation.
- **Multiplier for Current Shaping:** Ensures sinusoidal input current.
- **Overvoltage Protection:** Safeguards against excessive output voltage.
- **Totem-Pole Output:** Directly drives external MOSFETs.
This information is strictly based on the factual specifications and features of the MC33262P from Motorola.
