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UCC284 from TI,Texas Instruments

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UCC284

Manufacturer: TI

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Partnumber Manufacturer Quantity Availability
UCC284 TI 2750 In Stock

Description and Introduction

12 The UCC284 is a PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Topology:** Flyback, Forward  
- **Control Method:** Current-Mode PWM  
- **Frequency Range:** Up to 500 kHz  
- **Input Voltage (VCC):** 8.4V to 30V  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOIC-8, PDIP-8  

### **Descriptions:**  
The UCC284 is a high-performance current-mode PWM controller designed for offline and DC-DC power supplies. It provides precise regulation and protection features, making it suitable for applications like AC/DC converters, power adapters, and industrial power systems.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Switching Frequency:** Up to 500 kHz for flexible design.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures reliable operation within the specified voltage range.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Low Startup Current:** Reduces power consumption during standby.  

This information is based on TI's official documentation for the UCC284. For detailed datasheets and application notes, refer to Texas Instruments' website.

Application Scenarios & Design Considerations

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