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UC2876N from TI,Texas Instruments

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UC2876N

Manufacturer: TI

Phase Shift Resonant Controller

Partnumber Manufacturer Quantity Availability
UC2876N TI 11 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC2876N is a high-performance, fixed-frequency current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Control Method:** Current-mode PWM  
- **Frequency:** Fixed  
- **Input Voltage Range:** Typically operates with a wide input range (exact range should be verified in the datasheet)  
- **Output Drive:** Suitable for driving power MOSFETs  
- **Protection Features:** Includes overcurrent protection, undervoltage lockout (UVLO), and soft-start capability  
- **Package:** Typically comes in a PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
The UC2876N is designed for switch-mode power supply (SMPS) applications, providing precise regulation and efficient power conversion. It integrates key control and protection features to enhance system reliability.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation  
- **Fixed-Frequency Operation:** Ensures predictable switching behavior  
- **Soft-Start Function:** Reduces inrush current during startup  
- **UVLO Protection:** Ensures proper operation under low-voltage conditions  
- **High-Current Totem-Pole Output:** Directly drives power MOSFETs  

For exact electrical characteristics and application details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Phase Shift Resonant Controller
Partnumber Manufacturer Quantity Availability
UC2876N UNITRODE 64 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC2876N is a high-performance PWM controller manufactured by UNITRODE. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 10V to 20V (operating)  
- **Output Drive Current:** ±2A (peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The UC2876N is a pulse-width modulation (PWM) controller designed for high-frequency power supply applications.  
- It features a push-pull output stage, making it suitable for driving power MOSFETs or IGBTs.  
- Includes built-in protection features such as under-voltage lockout (UVLO) and cycle-by-cycle current limiting.  

### **Features:**  
- **High-Speed Operation:** Optimized for high-frequency switching power supplies.  
- **Precision Reference:** Internal 5.1V reference with ±1% accuracy.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Programmable Dead-Time Control:** Allows adjustment of dead time between outputs.  
- **Synchronization Capability:** Can be synchronized to an external clock signal.  
- **Error Amplifier:** Includes a high-gain error amplifier for feedback loop control.  

This information is based on UNITRODE's official documentation for the UC2876N.

Application Scenarios & Design Considerations

Phase Shift Resonant Controller

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