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LM5026SD from NSC,National Semiconductor

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LM5026SD

Manufacturer: NSC

Active Clamp Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5026SD NSC 200 In Stock

Description and Introduction

Active Clamp Current Mode PWM Controller The LM5026SD is a high-voltage active clamp PWM controller manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 15V to 100V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive:** Dual MOSFET drivers (main and active clamp)  
- **Control Method:** Peak Current Mode Control  
- **Package:** 16-pin SOIC (SD)  
- **Features Active Clamp Reset:** Yes  
- **Soft-Start:** Adjustable  
- **UVLO (Undervoltage Lockout):** Yes  
- **Overcurrent Protection:** Cycle-by-cycle current limiting  

### **Descriptions and Features:**  
- Designed for high-efficiency active clamp forward converters.  
- Includes an integrated high-voltage startup regulator.  
- Provides precise duty cycle control with adaptive delay for the active clamp.  
- Supports synchronous rectification for improved efficiency.  
- Features programmable oscillator frequency with external resistor.  
- Includes thermal shutdown protection.  

This controller is optimized for telecom, industrial, and automotive power supply applications.  

(Source: National Semiconductor datasheet for LM5026SD)

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