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IR21084STR

Manufacturer: IOR

Half Bridge Driver, Soft Turn-On, All High Voltage Pins on One Side, Separate High and Low Side Inputs, Programmable 0.5-5us Deadtime in a 14-lead SOIC package

Partnumber Manufacturer Quantity Availability
IR21084STR IOR 6112 In Stock

Description and Introduction

Half Bridge Driver, Soft Turn-On, All High Voltage Pins on One Side, Separate High and Low Side Inputs, Programmable 0.5-5us Deadtime in a 14-lead SOIC package The IR21084STR is a high and low side driver manufactured by Infineon Technologies. Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
Infineon Technologies  

### **Part Number:**  
IR21084STR  

### **Description:**  
The IR21084STR is a high-voltage, high-speed power MOSFET and IGBT driver with independent high and low side referenced output channels. It is designed for applications requiring high efficiency and reliability in power conversion systems.  

### **Key Features:**  
1. **Floating Channel Design** – Allows for bootstrap operation to drive high-side N-channel MOSFETs or IGBTs.  
2. **Wide Voltage Range** – High-side gate drive voltage up to 600V.  
3. **Logic Input Compatibility** – 3.3V, 5V, and 15V logic compatible inputs.  
4. **Matched Propagation Delay** – Minimizes dead time for improved efficiency.  
5. **Undervoltage Lockout (UVLO)** – Protects against insufficient gate drive voltage.  
6. **High Output Current** – Capable of sourcing/sinking up to 290mA/600mA.  
7. **Low Di/dt Gate Driver** – Reduces EMI and switching losses.  
8. **Operating Frequency** – Suitable for high-frequency switching applications.  
9. **Package Type** – SOIC-8 (Surface Mount).  

### **Applications:**  
- Motor drives  
- Switch-mode power supplies (SMPS)  
- DC-DC converters  
- Inverters  
- Industrial power systems  

This information is based on the manufacturer's datasheet and technical specifications. For detailed electrical characteristics and application notes, refer to the official Infineon documentation.

Application Scenarios & Design Considerations

Half Bridge Driver, Soft Turn-On, All High Voltage Pins on One Side, Separate High and Low Side Inputs, Programmable 0.5-5us Deadtime in a 14-lead SOIC package

Alternative Part Number

  • FAN7382MX --: High-side and low-side gate driver with similar 600V rating and pin-compatible half-bridge function, widely available and cost-effective.
  • L6388ED013TR --: Half-bridge gate driver with comparable drive current and bootstrap capability, suitable drop-in for many IR2108 applications.
  • IRS21084STRPBF --: Same functional family from the original vendor with equivalent drive strength and timing, ensuring reliable substitution.
  • FAN7384MX --: Half-bridge gate driver with similar high/low-side drive capability and 600V rating, pin-compatible in many designs and widely available.
  • L6384ED --: High and low side gate driver with comparable bootstrap operation and drive current, suitable drop-in for many IR21084 applications.
  • IRS21084PBF --: Same functional family from the original manufacturer with equivalent drive characteristics, though in a different package variant requiring layout check.

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