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UC2855AN from TI,Texas Instruments

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UC2855AN

Manufacturer: TI

High Performance Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC2855AN TI 242 In Stock

Description and Introduction

High Performance Power Factor Preregulator The UC2855AN is a high-performance, current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** Up to 35V (VCC)  
- **Operating Frequency:** Adjustable up to 500kHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** 16-Pin PDIP (Plastic Dual In-line Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Designed for high-efficiency power supply applications.  
- Provides precise current-mode control for improved loop response.  
- Features a high-speed error amplifier for tight voltage regulation.  
- Includes a programmable oscillator for flexible frequency setting.  
- Built-in soft-start prevents excessive inrush current.  
- Adjustable UVLO ensures proper startup and shutdown.  
- Suitable for flyback, forward, and boost converters.  
- Robust protection features include cycle-by-cycle current limiting.  

This information is based on the manufacturer's datasheet. For detailed specifications, refer to the official TI documentation.

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