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LM5020SD-1 from NS,National Semiconductor

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LM5020SD-1

Manufacturer: NS

100V Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LM5020SD-1,LM5020SD1 NS 306 In Stock

Description and Introduction

100V Current Mode PWM Controller The LM5020SD-1 is a high-voltage PWM controller manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 13V to 90V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Duty Cycle:** Up to 90%  
- **Output Drive Current:** 1.5A (peak)  
- **Package:** WSON-10 (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Features:**  
  - High-voltage startup regulator  
  - Programmable soft-start  
  - Cycle-by-cycle current limiting  
  - Adjustable line undervoltage lockout (UVLO)  
  - Synchronizable oscillator  

### **Descriptions and Features:**  
- Designed for high-voltage DC-DC converter applications.  
- Includes a high-voltage startup regulator, eliminating the need for an external bias supply.  
- Supports both voltage-mode and current-mode control.  
- Features programmable soft-start to reduce inrush current.  
- Provides cycle-by-cycle current limiting for protection.  
- Adjustable UVLO ensures proper operation under low input voltage conditions.  
- Synchronizable oscillator allows for frequency synchronization with external signals.  

This controller is suitable for industrial, automotive, and telecom power supply designs.

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