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UC2879DW from TI/UNITRODE,Texas Instruments

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UC2879DW

Manufacturer: TI/UNITRODE

Phase Shift Resonant Controller

Partnumber Manufacturer Quantity Availability
UC2879DW TI/UNITRODE 27 In Stock

Description and Introduction

Phase Shift Resonant Controller Here are the factual details about the **UC2879DW** from the manufacturer **TI/Unitrode**:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI) / Unitrode  
- **Part Number:** UC2879DW  
- **Type:** High-Speed PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 15V to 30V (typical)  
- **Switching Frequency:** Adjustable (up to 1MHz)  
- **Output Drive Current:** ±2A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Features Under-Voltage Lockout (UVLO):** Yes  
- **Error Amplifier Bandwidth:** 5MHz (typical)  

### **Descriptions:**
The **UC2879DW** is a high-performance pulse-width modulation (PWM) controller designed for high-frequency power supply applications. It provides precise control for switching power converters, supporting both voltage-mode and current-mode control schemes.  

### **Key Features:**
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Programmable Dead-Time Control:** Allows flexible adjustment of dead time.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Synchronous Drive Capability:** Supports synchronous rectification.  
- **Error Amplifier with Wide Bandwidth:** Enhances transient response.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Current-Limiting Protection:** Prevents overcurrent conditions.  

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

Application Scenarios & Design Considerations

Phase Shift Resonant Controller
Partnumber Manufacturer Quantity Availability
UC2879DW TI 1571 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC2879DW is a high-speed PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Type:** PWM  
- **Topology:** Flyback, Forward  
- **Switching Frequency:** Up to 1MHz  
- **Supply Voltage (VCC):** 15V (typical)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
The UC2879DW is designed for high-frequency switching power supply applications, providing precise PWM control for efficient power conversion. It supports various topologies, including flyback and forward converters, and is optimized for high-speed operation.  

### **Features:**  
- High-speed PWM operation (up to 1MHz)  
- Adjustable dead-time control  
- Under-voltage lockout (UVLO) protection  
- Soft-start capability  
- Error amplifier for feedback control  
- Current-limiting functionality  
- Synchronization capability for multi-phase operation  

This information is sourced from Texas Instruments' official documentation.

Application Scenarios & Design Considerations

Phase Shift Resonant Controller
Partnumber Manufacturer Quantity Availability
UC2879DW TI/BB 42 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC2879DW is a high-performance PWM controller manufactured by Texas Instruments (TI) and Burr-Brown (BB). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI) / Burr-Brown (BB)  
- **Package:** SOIC-16 (DW)  
- **Topology:** Push-Pull, Half-Bridge, Full-Bridge  
- **Operating Frequency:** Up to 1MHz  
- **Input Voltage Range:** 10V to 20V (VCC)  
- **Output Drive Current:** ±2A (Peak)  
- **Duty Cycle Range:** 0% to 100% (Adjustable)  
- **Error Amplifier Bandwidth:** 10MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Yes  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UC2879DW is a pulse-width modulation (PWM) controller designed for high-frequency power supply applications. It provides precise control for push-pull, half-bridge, and full-bridge converter topologies. The device includes an onboard error amplifier, oscillator, and high-current totem-pole outputs for driving power MOSFETs or IGBTs.  

### **Features:**  
- High-speed PWM control for switching frequencies up to 1MHz  
- Adjustable dead-time control for minimizing shoot-through  
- Programmable soft-start for controlled startup  
- Error amplifier with wide bandwidth for fast transient response  
- Undervoltage lockout (UVLO) for protection  
- High-current totem-pole outputs (±2A peak)  
- Compatible with voltage-mode and current-mode control schemes  
- Available in a 16-pin SOIC package  

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

Application Scenarios & Design Considerations

Phase Shift Resonant Controller
Partnumber Manufacturer Quantity Availability
UC2879DW UNI 10 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC2879DW is a high-performance PWM controller manufactured by UNI (Unitrode).  

### **Specifications:**  
- **Manufacturer:** UNI (Unitrode)  
- **Type:** PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Voltage Range:** Typically 8V to 35V  
- **Switching Frequency:** Adjustable (commonly up to 1MHz)  
- **Output Drive:** Push-Pull (suitable for driving power MOSFETs or IGBTs)  
- **Duty Cycle Range:** Adjustable (typically up to 50% in push-pull configuration)  
- **Protection Features:** Under-voltage lockout (UVLO), over-current protection  
- **Temperature Range:** Industrial-grade (-40°C to +85°C)  

### **Descriptions & Features:**  
- Designed for high-frequency switching power supplies.  
- Provides precise PWM control for regulated power conversion.  
- Features soft-start capability to reduce inrush current.  
- Includes error amplifier for feedback loop control.  
- Suitable for forward, flyback, and half-bridge converter topologies.  
- Low standby power consumption.  

For exact electrical characteristics and detailed application notes, refer to the official datasheet from UNI (Unitrode).

Application Scenarios & Design Considerations

Phase Shift Resonant Controller
Partnumber Manufacturer Quantity Availability
UC2879DW UC 25 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC2879DW is a high-performance PWM controller manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 10V to 20V  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** ±2A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **UVLO (Undervoltage Lockout):** 10V (on), 8.5V (off)  

### **Descriptions:**  
The UC2879DW is a pulse-width modulation (PWM) controller designed for high-frequency power supply applications. It provides precise control for switching power converters with features like programmable dead-time, soft-start, and error amplification.  

### **Features:**  
- **Programmable Dead-Time Control**  
- **Soft-Start Functionality**  
- **Error Amplifier for Feedback Control**  
- **Synchronous Operation Capability**  
- **High-Current Totem-Pole Outputs**  
- **Adjustable Oscillator Frequency**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Current-Limiting and Shutdown Protection**  

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

Application Scenarios & Design Considerations

Phase Shift Resonant Controller

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