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UCC2977PW from TI,Texas Instruments

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UCC2977PW

Manufacturer: TI

MULTI TOPOLOGY PIEZOELECTRIC TRANSFORMER CONTROLLER

Partnumber Manufacturer Quantity Availability
UCC2977PW TI 48 In Stock

Description and Introduction

MULTI TOPOLOGY PIEZOELECTRIC TRANSFORMER CONTROLLER The UCC2977PW 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:** UCC2977PW  
- **Type:** Power Factor Correction (PFC) Controller  
- **Package:** TSSOP-20  
- **Operating Temperature Range:** -40°C to 85°C  
- **Input Voltage Range:** Typically used in AC-DC applications  
- **Switching Frequency:** Adjustable (exact range not specified in Ic-phoenix technical data files)  
- **Control Method:** Average Current Mode Control  

### **Descriptions:**  
- The UCC2977PW is designed for power factor correction in AC-DC power supplies.  
- It helps improve power efficiency by shaping the input current to follow the input voltage waveform.  
- Suitable for boost converter topologies in PFC applications.  

### **Features:**  
- **Average Current Mode Control:** Ensures low distortion input current.  
- **Programmable Switching Frequency:** Allows flexibility in design.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overvoltage Protection (OVP):** Protects against output overvoltage conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Zero-Current Detection (ZCD):** Helps optimize efficiency in discontinuous conduction mode (DCM).  

For detailed electrical characteristics and application circuits, refer to the official TI datasheet.

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