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UCC3809DTR-2 from TI,Texas Instruments

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UCC3809DTR-2

Manufacturer: TI

1

Partnumber Manufacturer Quantity Availability
UCC3809DTR-2,UCC3809DTR2 TI 1878 In Stock

Description and Introduction

1 The UCC3809DTR-2 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Frequency Range:** Up to 1 MHz  
- **Operating Voltage (VDD):** 10V to 18V  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Start-up Current:** 150 µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC3809DTR-2 is designed for high-frequency power supply applications, offering precise control with current-mode operation. It includes features like under-voltage lockout (UVLO), cycle-by-cycle current limiting, and soft-start capability.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within specified voltage range.  
- **High-Current Totem Pole Output:** Supports fast switching of power MOSFETs.  
- **Low Start-up Current:** Reduces power consumption during initial operation.  

This device is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and other power management applications.

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