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UCC3803DTR from TI,Texas Instruments

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15.625ms

UCC3803DTR

Manufacturer: TI

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC3803DTR TI 269 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC3803DTR is a high-speed PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Operating Frequency:** Up to 1MHz  
- **Supply Voltage (VCC):** 4.5V to 12V  
- **Output Current (Source/Sink):** 500mA / 1A  
- **Duty Cycle Range:** 0% to 100%  
- **Propagation Delay:** 50ns (typical)  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UCC3803DTR is designed for high-frequency switching power supplies. It features fast response times, making it suitable for applications requiring precise control. It includes an integrated oscillator, error amplifier, and current-sensing comparator.  

### **Features:**  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Current-Mode Control:** Enhances loop stability and transient response.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the supply voltage range.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Low Power Consumption:** Optimized for efficiency.  
- **Totem Pole Output:** Provides strong drive capability for MOSFETs.  

For more details, refer to the official TI datasheet.

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