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LM27222SD from NS,National Semiconductor

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LM27222SD

Manufacturer: NS

High-Speed 4.5A Synchronous MOSFET Driver

Partnumber Manufacturer Quantity Availability
LM27222SD NS 21 In Stock

Description and Introduction

High-Speed 4.5A Synchronous MOSFET Driver The LM27222SD is a dual N-channel power MOSFET driver manufactured by National Semiconductor (NS).  

**Specifications:**  
- High-speed dual MOSFET driver  
- Supply voltage range: 4.5V to 14V  
- Peak output current: ±3A  
- Propagation delay: 25ns (typical)  
- Rise/fall time: 15ns (typical)  
- Operating temperature range: -40°C to +125°C  
- Package: SOIC-8  

**Descriptions:**  
The LM27222SD is designed to drive two N-channel MOSFETs in high-frequency switching applications. It provides fast switching speeds and high peak output current, making it suitable for power supply and motor control applications.  

**Features:**  
- Independent high-side and low-side drivers  
- Under-voltage lockout (UVLO) protection  
- Matched propagation delays for both channels  
- TTL/CMOS compatible inputs  
- Low power consumption  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

High-Speed 4.5A Synchronous MOSFET Driver

Alternative Part Number

  • TPS28225DR --: Dual high-speed MOSFET gate driver in SOIC-8 with similar drive current and voltage range, a common drop-in replacement for the LM27222 in synchronous buck designs.
  • ISL6208CBZ --: Dual-channel synchronous buck gate driver with comparable peak drive current and 5V operation, widely used as a functional substitute in CPU/VRM power stages.
  • FAN5009MX --: Dual MOSFET gate driver with similar input logic and drive capability, available in SOIC-8 and suitable for the same synchronous rectification applications.

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