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LM5105SD from NS,National Semiconductor

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LM5105SD

Manufacturer: NS

100V Half Bridge Gate Driver with Programmable Dead-time

Partnumber Manufacturer Quantity Availability
LM5105SD NS 400 In Stock

Description and Introduction

100V Half Bridge Gate Driver with Programmable Dead-time The LM5105SD is a high-voltage gate driver manufactured by Texas Instruments (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (NS)  
- **Type:** High-Voltage Gate Driver  
- **Output Current (Source/Sink):** 1.2A / 1.8A  
- **Supply Voltage (VDD):** 8V to 14V  
- **High-Side Voltage (VHB):** Up to 100V  
- **Propagation Delay:** 50ns (typical)  
- **Rise/Fall Time:** 20ns (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** WSON-8 (Exposed Pad)  

### **Descriptions:**  
The LM5105SD is designed to drive both high-side and low-side N-channel MOSFETs in half-bridge or synchronous buck configurations. It features a high-voltage bootstrap diode and robust gate drive capability, making it suitable for high-frequency switching applications.  

### **Features:**  
- **High-Voltage Operation:** Supports up to 100V bootstrap voltage.  
- **Independent High- and Low-Side Outputs:** Allows flexible MOSFET control.  
- **Fast Switching:** Optimized for high-frequency applications.  
- **Bootstrap Diode Integrated:** Reduces external component count.  
- **Undervoltage Lockout (UVLO):** Protects against insufficient supply voltage.  
- **Matched Propagation Delays:** Ensures precise timing for synchronous switching.  
- **Thermal Shutdown:** Prevents overheating.  

This information is strictly based on the manufacturer's datasheet.

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