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UCC3804D

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC3804D 500 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC3804D is a high-performance, low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments.  

### **Key Specifications:**  
- **Input Voltage Range:** 10V to 22V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1.5A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Start-Up Current:** 150µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC3804D is designed for efficient power supply control in applications such as DC-DC converters and offline power supplies. It features a current-mode architecture for improved transient response and simplified loop compensation.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Precision Reference:** Internal 5V reference with ±1% accuracy.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures reliable operation within voltage limits.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Synchronization Capability:** Allows external clock synchronization.  

This device is commonly used in switch-mode power supplies (SMPS), LED drivers, and industrial power systems.  

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