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UCC2809D-1G4 from TI/BB,Texas Instruments

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UCC2809D-1G4

Manufacturer: TI/BB

Economy Primary Side Controller 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UCC2809D-1G4,UCC2809D1G4 TI/BB 214 In Stock

Description and Introduction

Economy Primary Side Controller 8-SOIC -40 to 85 The UCC2809D-1G4 is a high-speed PWM controller manufactured by Texas Instruments (TI) / Burr-Brown (BB).  

**Specifications:**  
- **Type:** Current Mode PWM Controller  
- **Topology:** Boost, Flyback, Forward  
- **Frequency:** Up to 1MHz  
- **Output Current:** ±1A (Peak)  
- **Supply Voltage (VCC):** 12V to 25V  
- **Duty Cycle:** Up to 100%  
- **Operating Temperature:** -40°C to +85°C  
- **Package:** SOIC-8  

**Descriptions:**  
The UCC2809D-1G4 is designed for high-frequency switching power supplies, offering precise control with current-mode operation. It includes features like soft-start, undervoltage lockout (UVLO), and cycle-by-cycle current limiting.  

**Features:**  
- Current-Mode Control  
- Programmable Soft-Start  
- Undervoltage Lockout (UVLO)  
- Cycle-by-Cycle Current Limiting  
- High-Speed Operation (Up to 1MHz)  
- Low Startup Current (<1mA)  
- Totem-Pole Outputs for MOSFET Drive  

This device is commonly used in AC/DC converters, power factor correction (PFC), and DC/DC converters.

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