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LM5020SD-1/NOPB from NSC,National Semiconductor

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LM5020SD-1/NOPB

Manufacturer: NSC

13-100V Wide Vin, Current Mode PWM Boost Controller 10-WSON -40 to 125

Partnumber Manufacturer Quantity Availability
LM5020SD-1/NOPB,LM5020SD1NOPB NSC 667 In Stock

Description and Introduction

13-100V Wide Vin, Current Mode PWM Boost Controller 10-WSON -40 to 125 The LM5020SD-1/NOPB 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  
- **Output Drive Current:** 1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Switching Topology:** Supports buck, boost, flyback, and forward converters  
- **Package Type:** WSON-10  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**
The LM5020SD-1/NOPB is a versatile PWM controller designed for high-voltage DC-DC applications. It integrates a high-voltage startup regulator, reducing the need for external bias supplies. It is suitable for industrial, automotive, and telecom power supplies.

### **Features:**
- **High-Voltage Startup Regulator:** Operates directly from input voltages up to 90V.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Enhances system protection.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Synchronous Rectifier Control:** Supports efficient power conversion.  
- **Under-Voltage Lockout (UVLO):** Ensures reliable operation under low input conditions.  

This device is RoHS compliant and lead-free.  

(Source: National Semiconductor Datasheet)

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