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UC2854ADWG4 from TIBB,Texas Instruments

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15.625ms

UC2854ADWG4

Manufacturer: TIBB

Enhanced High Power Factor Preregulator 16-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UC2854ADWG4 TIBB 39 In Stock

Description and Introduction

Enhanced High Power Factor Preregulator 16-SOIC -40 to 85 The UC2854ADWG4 is a high-performance PWM controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments (TIBB is not a recognized manufacturer; TI is the correct manufacturer for UC2854ADWG4).  

### **Specifications:**  
- **Type:** Current Mode PWM Controller  
- **Topology:** Supports Flyback, Forward, Push-Pull, and Boost Converters  
- **Operating Frequency:** Up to 1MHz  
- **Input Voltage Range:** 8.4V to 30V  
- **Output Drive Current:** ±1A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** SOIC-16 (DW)  

### **Descriptions:**  
The UC2854ADWG4 is a versatile PWM controller designed for high-frequency switching power supplies. It features current-mode control for improved transient response and simplified loop compensation. The device includes built-in protection features such as undervoltage lockout (UVLO), soft-start, and cycle-by-cycle current limiting.  

### **Features:**  
- **Current-Mode Control:** Enhances line and load regulation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Precision Reference:** 5V ±1% accuracy.  
- **Synchronous Capability:** Supports clock synchronization.  
- **High-Current Totem Pole Output:** Suitable for driving power MOSFETs.  
- **Low Startup Current:** Typically 0.5mA.  

For additional details, refer to the official Texas Instruments datasheet.

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