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UCC2813D-5 from TI/UNITRODE,Texas Instruments

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UCC2813D-5

Manufacturer: TI/UNITRODE

0

Partnumber Manufacturer Quantity Availability
UCC2813D-5,UCC2813D5 TI/UNITRODE 32 In Stock

Description and Introduction

0 The UCC2813D-5 is a power factor correction (PFC) controller manufactured by Texas Instruments (TI)/Unitrode.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 5.5V  
- **Operating Frequency:** Up to 250kHz  
- **Output Drive Current:** ±1.5A (peak)  
- **Package:** SOIC-8  
- **Control Method:** Average Current Mode  
- **Startup Current:** 150µA (typical)  
- **Shutdown Current:** 50µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UCC2813D-5 is a high-performance, fixed-frequency PFC controller designed for boost-type pre-regulators. It features average current mode control for improved power factor correction and low harmonic distortion.  

### **Features:**  
- **Fixed-Frequency Operation**  
- **Low Distortion, High Power Factor**  
- **Internal Start-Up Timer**  
- **Undervoltage Lockout (UVLO)**  
- **Peak Current Limiting**  
- **Soft-Start Function**  
- **Low Power Consumption**  

This device is commonly used in AC/DC power supplies, LED drivers, and industrial power systems requiring power factor correction.

Partnumber Manufacturer Quantity Availability
UCC2813D-5,UCC2813D5 TI 1037 In Stock

Description and Introduction

0 The UCC2813D-5 is a high-speed PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Type:** High-Speed PWM Controller  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage (VCC):** Up to 17V  
- **Output Drive Current:** ±1A (peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **UVLO (Under-Voltage Lockout):** 8.4V (on), 7.6V (off)  
- **Reference Voltage:** 5V (±1%)  

### **Descriptions:**  
The UCC2813D-5 is a high-performance current-mode PWM controller designed for power supply applications. It features high-speed operation, precise duty cycle control, and built-in protection functions. It is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and offline power systems.

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Precision 5V Reference:** Ensures stable regulation.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Programmable Duty Cycle:** Allows flexible power stage design.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Totem-Pole Output:** Provides high-current drive for power MOSFETs.  
- **Low Startup Current:** Enhances efficiency in standby mode.  

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

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