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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.

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.

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