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LM5020SDX-1 from NS,National Semiconductor

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15.625ms

LM5020SDX-1

Manufacturer: NS

100V Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5020SDX-1,LM5020SDX1 NS 1000 In Stock

Description and Introduction

100V Current Mode PWM Controller The LM5020SDX-1 is a high-voltage PWM controller manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 13V to 90V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Duty Cycle:** Up to 95%  
- **Output Drive Current:** 1A (peak)  
- **Start-Up Voltage:** 9.6V (typical)  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** WSON-10 (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
The LM5020SDX-1 is designed for high-voltage DC-DC power conversion applications. It features a current-mode control architecture for improved transient response and stability. The device includes an integrated high-voltage startup regulator, eliminating the need for an external bias supply.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 13V to 90V  
- **Adjustable Switching Frequency:** Up to 1MHz  
- **Integrated High-Voltage Startup Regulator:** Reduces external component count  
- **Current-Mode Control:** Enhances loop stability and transient response  
- **Programmable Soft-Start:** Reduces inrush current  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads  
- **Low Quiescent Current:** Improves efficiency at light loads  
- **Thermal Shutdown Protection:** Prevents overheating  

This device is commonly used in telecom, industrial, and automotive power supply applications.

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