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LM5025SD from NS,National Semiconductor

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LM5025SD

Manufacturer: NS

Active Clamp Voltage Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5025SD NS 2144 In Stock

Description and Introduction

Active Clamp Voltage Mode PWM Controller The LM5025SD is a high-voltage pulse width modulation (PWM) controller manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 10V to 100V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Duty Cycle Range:** Up to 90%  
- **Output Drive Current:** 1A (peak)  
- **Start-Up Voltage:** 10V (typical)  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** SOIC-8 (SD package)  

### **Descriptions:**
- The LM5025SD is designed for high-voltage DC-DC converter applications.  
- It includes a high-voltage start-up regulator, reducing the need for an external bias supply.  
- The controller supports both voltage-mode and current-mode control topologies.  

### **Features:**
- **High-Voltage Start-Up Regulator:** Eliminates the need for an external bias supply.  
- **Programmable Soft-Start:** Reduces inrush current during start-up.  
- **Cycle-by-Cycle Current Limiting:** Provides protection against overloads.  
- **Synchronizable Oscillator:** Allows synchronization with an external clock.  
- **Adjustable Dead-Time Control:** Optimizes efficiency in synchronous rectifier applications.  
- **Thermal Shutdown:** Protects the device from overheating.  

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

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