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UCC2804N from UC

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UCC2804N

Manufacturer: UC

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC2804N UC 6 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC2804N is a high-performance current-mode PWM controller manufactured by Texas Instruments.  

### **Key Specifications:**  
- **Input Voltage Range:** Up to 30V  
- **Operating Frequency:** Adjustable up to 500 kHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Current Sensing:** Cycle-by-cycle current limiting  
- **Start-Up Current:** Typically 0.5 mA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin DIP (PDIP)  

### **Descriptions:**  
The UCC2804N is designed for offline and DC-DC power supply applications. It provides precise control for switching power supplies with features like under-voltage lockout (UVLO), soft-start, and cycle-by-cycle current limiting.  

### **Features:**  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation only when the supply voltage is sufficient.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Low Start-Up Current:** Reduces power consumption during initial operation.  

This IC is commonly used in flyback, forward, and boost converter designs.

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