5 The UCC281DP-5 is a power factor correction (PFC) controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** UCC281DP-5
- **Type:** Power Factor Correction (PFC) Controller
- **Package:** PDIP (Plastic Dual In-Line Package)
- **Operating Temperature Range:** -40°C to +85°C
- **Supply Voltage (VCC):** 15V (typical)
- **Maximum Switching Frequency:** 200kHz
- **Control Method:** Average Current Mode Control
- **Output Drive Current:** ±1A (peak)
### **Descriptions:**
- The UCC281DP-5 is a high-performance PFC controller designed for boost-type power factor correction circuits.
- It operates in continuous conduction mode (CCM) to improve efficiency and reduce input current harmonics.
- The device features an average current mode control scheme for precise regulation of input current.
### **Features:**
- **Power Factor Correction:** Ensures near-unity power factor for AC-DC power supplies.
- **Average Current Mode Control:** Provides accurate current shaping for low harmonic distortion.
- **Wide Operating Voltage Range:** Supports various input voltage conditions.
- **Overvoltage Protection (OVP):** Protects against output voltage surges.
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low supply conditions.
- **Soft-Start Function:** Reduces inrush current during startup.
- **High-Speed PWM Output:** Supports switching frequencies up to 200kHz.
This information is strictly based on the manufacturer's datasheet and technical documentation.
