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LM5020MMX-1 from NSC,National Semiconductor

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LM5020MMX-1

Manufacturer: NSC

100V Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5020MMX-1,LM5020MMX1 NSC 25 In Stock

Description and Introduction

100V Current Mode PWM Controller The LM5020MMX-1 is a high-voltage PWM controller manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 13V to 90V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Duty Cycle:** Up to 90%  
- **Output Drive Current:** 1.5A (peak)  
- **Start-Up Voltage:** 13V (typical)  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** 10-pin MSOP (MMX)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**
- Designed for high-voltage DC-DC converter applications.  
- Supports both buck and flyback topologies.  
- Features a high-speed peak current-mode control architecture.  
- Includes an integrated high-voltage startup regulator.  

### **Features:**
- **Peak Current-Mode Control:** Ensures fast transient response.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Synchronization Capability:** Can sync to an external clock.  
- **Error Amplifier:** Provides precise voltage regulation.  
- **Cycle-by-Cycle Current Limiting:** Enhances protection.  
- **Thermal Shutdown:** Prevents overheating.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to NSC’s official documentation.

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