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UC2851DW from TI,Texas Instruments

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UC2851DW

Manufacturer: TI

Programmable, Off-Line, PWM Controller

Partnumber Manufacturer Quantity Availability
UC2851DW TI 1058 In Stock

Description and Introduction

Programmable, Off-Line, PWM Controller The UC2851DW is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Key Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 8.5V to 21V (operating)  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DW)  

### **Descriptions and Features:**  
- Designed for high-efficiency power supply applications  
- Includes a precision voltage reference (±1% accuracy)  
- Features cycle-by-cycle current limiting  
- Adjustable soft-start functionality  
- Under-voltage lockout (UVLO) protection  
- Low startup and operating current  
- Compatible with both voltage and current feedback configurations  

This device is commonly used in offline and DC-DC power converters, providing robust control for switch-mode power supplies.  

(Source: Texas Instruments datasheet for UC2851DW.)

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