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UCC3809D-1 from UNITRODE

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UCC3809D-1

Manufacturer: UNITRODE

1

Partnumber Manufacturer Quantity Availability
UCC3809D-1,UCC3809D1 UNITRODE 1400 In Stock

Description and Introduction

1 The UCC3809D-1 is a PWM controller from UNITRODE. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** UNITRODE  
- **Type:** Current-Mode PWM Controller  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** Up to 30V  
- **Output Drive Current:** 1A (peak)  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Start-Up Current:** 0.5mA (typical)  
- **Under-Voltage Lockout (UVLO):** Adjustable  

### **Descriptions:**  
- The UCC3809D-1 is a high-performance current-mode PWM controller designed for offline and DC-DC power supplies.  
- It features a high-speed oscillator, precision reference, and optimized gate drive for efficient power conversion.  
- The device is suitable for flyback, forward, and boost converter topologies.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Oscillator:** Allows flexible frequency adjustment.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Enhances system protection.  
- **Low Power Consumption:** Optimized for energy-efficient designs.  
- **Internal Latch for Overvoltage Protection (OVP):** Ensures safe operation.  
- **Synchronization Capability:** Supports external clock synchronization.  

This information is strictly based on available specifications and features from UNITRODE's documentation.

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