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UCC2889 from TI,Texas Instruments

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UCC2889

Manufacturer: TI

Off-line Power Supply Controller

Partnumber Manufacturer Quantity Availability
UCC2889 TI 1458 In Stock

Description and Introduction

Off-line Power Supply Controller The UCC2889 is a high-voltage power controller manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** Up to 600V  
- **Operating Frequency:** Adjustable up to 250 kHz  
- **Output Drive Current:** 1A (peak)  
- **Start-up Current:** < 100 µA  
- **Standby Power Consumption:** < 100 mW  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** SOIC-8, PDIP-8  

### **Descriptions:**  
The UCC2889 is a high-voltage power controller designed for offline power supplies and LED drivers. It integrates a high-voltage startup regulator, oscillator, and gate driver, making it suitable for flyback and buck-boost converter topologies. It operates in a fixed-frequency current-mode control scheme for stable performance.  

### **Features:**  
- **High-Voltage Startup:** Integrated 600V startup regulator eliminates the need for an external bias supply.  
- **Current-Mode Control:** Ensures stable operation with fast transient response.  
- **Adjustable Frequency:** Allows optimization for efficiency and EMI performance.  
- **Low Standby Power:** Supports energy-efficient designs.  
- **Protection Features:** Includes overcurrent protection (OCP) and thermal shutdown.  
- **Gate Drive Output:** 1A peak current for driving power MOSFETs efficiently.  

This information is strictly factual from the TI datasheet and product documentation.

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