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UC2852D from UC

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UC2852D

Manufacturer: UC

High Power-Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC2852D UC 18 In Stock

Description and Introduction

High Power-Factor Preregulator The UC2852D is a high-performance current-mode PWM controller manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 15V to 30V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Capability:** Adjustable  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Current Sense Comparator Response Time:** 100ns  
- **Package Type:** SOIC-16  

### **Descriptions:**  
The UC2852D is designed for high-frequency switching power supplies, providing precise regulation and robust performance in demanding applications. It integrates a current-mode control architecture for improved transient response and simplified loop compensation.  

### **Features:**  
- **Current-Mode Control:** Enhances line and load regulation.  
- **Programmable Oscillator:** Allows frequency adjustment via external components.  
- **Precision Reference:** 5V ±1% accuracy.  
- **Synchronization Capability:** Enables synchronization with an external clock.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Low Startup Current:** Typically 0.5mA.  
- **Thermal Shutdown:** Prevents overheating.  

This device is commonly used in AC/DC converters, DC/DC power supplies, and other power management applications.

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