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UCC38050D from TI,Texas Instruments

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UCC38050D

Manufacturer: TI

Transition Mode PFC Controller

Partnumber Manufacturer Quantity Availability
UCC38050D TI 25 In Stock

Description and Introduction

Transition Mode PFC Controller The UCC38050D is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 10V to 18V (operating)  
- **Output Voltage:** Adjustable via external components  
- **Switching Frequency:** Up to 1MHz  
- **Maximum Duty Cycle:** 100% (with external synchronization)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC38050D is designed for offline and DC-DC power supply applications. It features high-speed operation, cycle-by-cycle current limiting, and under-voltage lockout (UVLO) protection.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Synchronization Capability:** Allows external clock synchronization.  
- **Low Startup Current:** Typically 150µA.  
- **UVLO Protection:** Ensures reliable operation under low input voltage conditions.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  

This device is commonly used in power converters, adapters, and industrial power supplies.  

(Source: Texas Instruments Datasheet)

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