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UC2866N

Resonant-Mode Power Supply Controllers

Partnumber Manufacturer Quantity Availability
UC2866N 66 In Stock

Description and Introduction

Resonant-Mode Power Supply Controllers The UC2866N is a high-performance current-mode PWM controller manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage (VCC):** 8V to 35V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Capability:** Yes  
- **UVLO (Undervoltage Lockout):** 8V (on), 7V (off)  
- **Package:** 16-pin PDIP (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UC2866N is designed for high-frequency switching power supply applications. It provides precise regulation with current-mode control, improving loop response and simplifying compensation. It includes features such as soft-start, cycle-by-cycle current limiting, and undervoltage lockout for robust operation.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies feedback loop compensation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Error Amplifier with High Bandwidth:** Enables fast transient response.  
- **Synchronization Capability:** Allows synchronization to an external clock.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Resonant-Mode Power Supply Controllers
Partnumber Manufacturer Quantity Availability
UC2866N UNITRODE 250 In Stock

Description and Introduction

Resonant-Mode Power Supply Controllers The UC2866N is a high-performance current-mode PWM controller manufactured by UNITRODE. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** Up to 30V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** ±2A peak  
- **Duty Cycle Range:** 0% to 100%  
- **Reference Voltage:** 5.1V ±1%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The UC2866N is designed for high-frequency switching power supply applications.  
- It incorporates current-mode control for improved loop response and simplified compensation.  
- The device includes features for soft-start, cycle-by-cycle current limiting, and undervoltage lockout (UVLO).  

### **Features:**
- **Current-Mode Control:** Enhances transient response and simplifies feedback loop design.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Adjustable Oscillator Frequency:** Allows flexibility in design.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  

The UC2866N is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and other power management applications.

Application Scenarios & Design Considerations

Resonant-Mode Power Supply Controllers

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