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UCC3809N-1 from UNITRODE

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UCC3809N-1

Manufacturer: UNITRODE

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Partnumber Manufacturer Quantity Availability
UCC3809N-1,UCC3809N1 UNITRODE 5 In Stock

Description and Introduction

1 The UCC3809N-1 is a high-performance current-mode PWM controller manufactured by UNITRODE. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 10V to 20V (operating), 30V (absolute max)  
- **Output Drive Current:** ±1A (peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin DIP (PDIP)  

### **Descriptions:**  
The UCC3809N-1 is designed for high-frequency, current-mode power supply applications. It provides precise control for switching power converters with features like cycle-by-cycle current limiting, soft-start, and undervoltage lockout (UVLO).  

### **Features:**  
- **Current-Mode Control:** Enhances loop response and simplifies compensation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **High-Speed PWM Operation:** Supports frequencies up to 1MHz.  
- **Low Startup Current:** Typically 150µA for efficient power-up.  
- **Totem Pole Output:** Provides high-current drive for power MOSFETs.  

This information is based solely on UNITRODE's datasheet for the UCC3809N-1.

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