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LT1248CN from LT

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LT1248CN

Manufacturer: LT

Power Factor Controller

Partnumber Manufacturer Quantity Availability
LT1248CN LT 400 In Stock

Description and Introduction

Power Factor Controller The LT1248CN is a power factor correction (PFC) controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Operating Frequency:** Up to 300kHz  
- **Output Drive Current:** ±1A (peak)  
- **Power Factor Correction:** >0.99  
- **Package:** 16-Pin PDIP (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** 0°C to 70°C  

### **Descriptions:**  
The LT1248CN is designed for high-performance power factor correction in AC/DC power supplies. It uses average current mode control to achieve near-unity power factor with low harmonic distortion. The IC includes features for soft-start, overvoltage protection, and precise current sensing.  

### **Features:**  
- **Average Current Mode Control:** Ensures low harmonic distortion.  
- **Wide Input Voltage Range:** Supports various AC line conditions.  
- **Programmable Oscillator Frequency:** Adjustable up to 300kHz.  
- **Soft-Start Function:** Reduces inrush current.  
- **Overvoltage Protection (OVP):** Prevents excessive output voltage.  
- **Low Standby Power Consumption:** Improves efficiency in light-load conditions.  
- **High Drive Capability:** Supports MOSFET or IGBT gate drive.  

This IC is commonly used in switch-mode power supplies (SMPS), industrial power systems, and applications requiring compliance with power quality standards (e.g., EN61000-3-2).

Partnumber Manufacturer Quantity Availability
LT1248CN LT 12 In Stock

Description and Introduction

Power Factor Controller The LT1248CN is a power factor correction (PFC) controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Operating Frequency:** Up to 500kHz  
- **Output Drive Current:** ±500mA  
- **Power Factor Correction:** Active PFC  
- **Package:** 16-Pin PDIP (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** 0°C to 70°C  

### **Descriptions and Features:**  
- Designed for high-efficiency power factor correction in AC/DC power supplies.  
- Uses average current mode control for precise current shaping.  
- Includes an internal oscillator with programmable frequency.  
- Features an adjustable soft-start function.  
- Provides overvoltage protection (OVP) and undervoltage lockout (UVLO).  
- Low distortion input current waveform for compliance with power quality standards.  
- Suitable for boost, flyback, and other PFC topologies.  

This IC is commonly used in applications like switch-mode power supplies (SMPS), LED drivers, and industrial power systems requiring power factor correction.

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