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UCC3889 from TI,Texas Instruments

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UCC3889

Manufacturer: TI

Off-Line Power Supply Controller

Partnumber Manufacturer Quantity Availability
UCC3889 TI 80 In Stock

Description and Introduction

Off-Line Power Supply Controller The UCC3889 is a power management IC manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Category:** Power Management IC  
- **Type:** Switching Controller  
- **Topology:** Flyback, Forward  
- **Control Method:** Voltage Mode  
- **Switching Frequency:** Up to 1MHz  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage:** Adjustable  
- **Duty Cycle:** Up to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-8  

### **Descriptions:**
- The UCC3889 is a high-performance PWM controller designed for offline and DC-DC power supplies.  
- It provides precise voltage regulation with voltage-mode control.  
- Suitable for flyback and forward converter applications.  
- Features low startup current and high-frequency operation.  

### **Features:**
- **Voltage-Mode Control:** Ensures stable output regulation.  
- **Programmable Oscillator:** Allows frequency adjustment up to 1MHz.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within input voltage range.  
- **Current Limiting:** Protects against overload conditions.  
- **Low Standby Power Consumption:** Improves efficiency.  
- **Wide Input Voltage Range:** Supports 4.5V to 30V operation.  

For exact datasheet details, refer to the official TI documentation.

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