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UC2855ADW from UNITRODE

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15.625ms

UC2855ADW

Manufacturer: UNITRODE

High Performance Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC2855ADW UNITRODE 7 In Stock

Description and Introduction

High Performance Power Factor Preregulator The UC2855ADW is a high-performance, current-mode PWM controller manufactured by UNITRODE.  

**Specifications:**  
- **Manufacturer:** UNITRODE  
- **Type:** Current-Mode PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Voltage Range:** Up to 30V  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** 1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Features:**  
  - Precision voltage reference  
  - Soft-start capability  
  - Under-voltage lockout (UVLO)  
  - Cycle-by-cycle current limiting  
  - Error amplifier with high gain-bandwidth  
  - Synchronization capability  

**Descriptions and Features:**  
- Designed for high-efficiency power supply applications.  
- Provides robust control for flyback, forward, and boost converters.  
- Includes a built-in oscillator with external synchronization capability.  
- Features a high-speed current-sense comparator for fast response.  
- Suitable for offline and DC-DC power supplies.  
- Low startup and operating current for improved efficiency.  

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

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