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UC2844DG from ON,ON Semiconductor

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15.625ms

UC2844DG

Manufacturer: ON

High Performance Current Mode Controllers

Partnumber Manufacturer Quantity Availability
UC2844DG ON 67 In Stock

Description and Introduction

High Performance Current Mode Controllers The UC2844DG is a high-performance current-mode PWM controller manufactured by ON Semiconductor. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** ON Semiconductor  
- **Topology:** Current-Mode PWM Controller  
- **Input Voltage (VCC):** 8V to 30V (Operating)  
- **Output Voltage (VOUT):** Adjustable via external components  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Output Current (Peak):** 1A (Source/Sink)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The UC2844DG is designed for DC-DC converter applications, providing precise control over power delivery.  
- It features a fixed-frequency current-mode architecture for improved loop response and simplified compensation.  
- Includes under-voltage lockout (UVLO) for reliable startup and shutdown.  
- Suitable for flyback, forward, and boost converter designs.  

### **Features:**  
- **Current-Mode Operation:** Enhances line and load regulation.  
- **Automatic Feed-Forward Compensation:** Simplifies feedback loop design.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Trimmed Oscillator Discharge Current:** Provides accurate duty cycle control.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Low Startup and Operating Current:** Improves efficiency.  
- **Pulse-by-Pulse Current Limiting:** Protects against overloads.  
- **Latch-Up Protection:** Prevents damage from fault conditions.  

This information is based solely on the manufacturer's datasheet for the UC2844DG.

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