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UCC3809PTR-2 from TI,Texas Instruments

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5.005ms

UCC3809PTR-2

Manufacturer: TI

Economy Primary Side Controller 8-VSSOP

Partnumber Manufacturer Quantity Availability
UCC3809PTR-2,UCC3809PTR2 TI 2000 In Stock

Description and Introduction

Economy Primary Side Controller 8-VSSOP The UCC3809PTR-2 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage (VCC):** 10V to 17V (operating range)  
- **Switching Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Start-up Current:** 150µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC (D)  

### **Descriptions:**  
The UCC3809PTR-2 is designed for high-efficiency power supply applications. It features a low start-up current, making it suitable for offline and DC-DC converters. The device includes cycle-by-cycle current limiting, under-voltage lockout (UVLO), and soft-start functionality.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Soft-Start:** Reduces inrush current during start-up.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the specified voltage range.  
- **Cycle-by-Cycle Current Limiting:** Protects against overload conditions.  
- **High-Frequency Operation:** Supports switching frequencies up to 1MHz.  
- **Low Start-up Current:** Enables efficient operation in power-saving applications.  

This information is based on TI's official datasheet for the UCC3809PTR-2.

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