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UC2854ADW from UCC

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15.625ms

UC2854ADW

Manufacturer: UCC

Enhanced High Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC2854ADW UCC 200 In Stock

Description and Introduction

Enhanced High Power Factor Preregulator The UC2854ADW is a high-performance current-mode PWM controller manufactured by Texas Instruments (UCC).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** Up to 30V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Control:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** SOIC-16 (DW)  

### **Descriptions and Features:**  
- Designed for high-efficiency power supply applications  
- Includes a precision reference voltage (5V ±1%)  
- Features cycle-by-cycle current limiting  
- Provides programmable soft-start functionality  
- Includes a high-gain error amplifier for tight regulation  
- Supports both voltage and current-mode control  
- Low startup and operating current consumption  
- Suitable for flyback, forward, and boost converters  

This IC is widely used in AC/DC and DC/DC power supplies, industrial systems, and telecom applications.

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