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UCC2809PTR-1 from TI,Texas Instruments

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UCC2809PTR-1

Manufacturer: TI

1

Partnumber Manufacturer Quantity Availability
UCC2809PTR-1,UCC2809PTR1 TI 14 In Stock

Description and Introduction

1 ### **UCC2809PTR-1 Manufacturer: Texas Instruments (TI)**  

#### **Specifications:**  
- **Type:** High-Speed PWM Controller  
- **Topology:** Current-Mode Control  
- **Input Voltage Range:** 8V to 18V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **UVLO (Undervoltage Lockout):** 7.5V (Turn-On), 6.5V (Turn-Off)  
- **Package:** 8-Pin PDIP (Plastic DIP)  
- **Operating Temperature Range:** -40°C to +85°C  

#### **Descriptions:**  
The **UCC2809PTR-1** is a high-performance current-mode PWM controller designed for power supply applications. It features fast response, precise duty cycle control, and high-frequency operation, making it suitable for DC-DC converters and offline power supplies.  

#### **Features:**  
- **Current-Mode Control** for improved transient response  
- **Programmable Oscillator Frequency**  
- **Soft-Start Capability**  
- **Internal Overcurrent Protection**  
- **Low Startup Current** (150µA typical)  
- **High Noise Immunity**  
- **Wide Input Voltage Range** (8V to 18V)  
- **Totem-Pole Output** for driving power MOSFETs  

This device is commonly used in **switching power supplies, battery chargers, and industrial power systems**.  

(Source: Texas Instruments Datasheet)

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