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UCC2809D-2G4 from UCC

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UCC2809D-2G4

Manufacturer: UCC

Economy Primary Side Controller 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UCC2809D-2G4,UCC2809D2G4 UCC 14 In Stock

Description and Introduction

Economy Primary Side Controller 8-SOIC -40 to 85 The UCC2809D-2G4 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:  

### **Manufacturer:** Texas Instruments  
### **Part Number:** UCC2809D-2G4  

### **Descriptions:**  
- The UCC2809D-2G4 is a BiCMOS current-mode pulse-width modulation (PWM) controller.  
- It is designed for high-frequency power supply applications, including offline and DC-DC converters.  
- The device provides precise control for switching power supplies with improved efficiency and performance.  

### **Features:**  
- **Current-Mode Control:** Enhances loop response and simplifies compensation.  
- **High-Frequency Operation:** Supports switching frequencies up to 1 MHz.  
- **Low Startup Current:** Typically 0.5 mA, reducing power consumption during startup.  
- **Adjustable Output Duty Cycle:** Allows for flexible power supply design.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **BiCMOS Technology:** Combines the benefits of bipolar and CMOS for high performance.  
- **Wide Operating Voltage Range:** Suitable for various power supply configurations.  
- **Totem-Pole Output:** Capable of driving power MOSFETs directly.  

### **Applications:**  
- Offline power supplies  
- DC-DC converters  
- Forward and flyback converters  
- Industrial and telecom power systems  

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

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