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UCC2839D from TI,Texas Instruments

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UCC2839D

Manufacturer: TI

Secondary Side Average Current Mode Controller

Partnumber Manufacturer Quantity Availability
UCC2839D TI 741 In Stock

Description and Introduction

Secondary Side Average Current Mode Controller The UCC2839D is a high-speed synchronous buck controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable down to 1.25V  
- **Switching Frequency:** Up to 1MHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-8  
- **Control Method:** Voltage Mode PWM  
- **Duty Cycle Range:** 0% to 100%  
- **Current Limit Protection:** Yes  
- **Soft-Start Function:** Yes  

### **Descriptions:**  
The UCC2839D is a high-performance synchronous buck controller designed for DC-DC power conversion applications. It provides precise voltage regulation and high efficiency, making it suitable for power supplies in industrial, telecom, and computing systems.  

### **Features:**  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Wide Input Voltage Range:** Operates from 4.5V to 18V.  
- **Adjustable Output Voltage:** Configurable down to 1.25V.  
- **Integrated Protection:** Includes overcurrent and thermal shutdown protection.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Voltage Mode Control:** Ensures stable and efficient regulation.  
- **Low Power Consumption:** Optimized for efficiency in power-sensitive applications.  

This information is based solely on the manufacturer’s datasheet and technical documentation.

Application Scenarios & Design Considerations

Secondary Side Average Current Mode Controller
Partnumber Manufacturer Quantity Availability
UCC2839D 1824 In Stock

Description and Introduction

Secondary Side Average Current Mode Controller The UCC2839D is a high-speed, dual-channel MOSFET driver manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments  
- **Type:** Dual-Channel MOSFET Driver  
- **Supply Voltage (VDD):** 4.5V to 15V  
- **Peak Output Current:** ±4A  
- **Propagation Delay (Typical):** 25ns  
- **Rise/Fall Time (10% to 90%):** 15ns (Typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC2839D is designed to drive high-side and low-side N-channel MOSFETs in synchronous rectification or half-bridge applications. It features fast switching speeds and high peak output current, making it suitable for high-frequency power converters.  

### **Features:**  
- **Dual Independent Outputs:** Can drive two MOSFETs independently.  
- **High-Speed Switching:** Optimized for fast transitions with low propagation delay.  
- **4A Peak Output Current:** Capable of driving large MOSFETs efficiently.  
- **Wide Supply Voltage Range:** Operates from 4.5V to 15V.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation by disabling outputs when VDD is too low.  
- **Compatible with TTL/CMOS Inputs:** Easy interfacing with logic-level signals.  

This information is strictly based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Secondary Side Average Current Mode Controller

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