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IR2105 from IRF,International Rectifier

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IR2105

Manufacturer: IRF, IR

Half Bridge Driver, Single Input, All High Voltage Pins On one Side, Fixed 520ns Deadtime in a 8-pin DIP package

Partnumber Manufacturer Quantity Availability
IR2105 IRF, IR 2020 In Stock

Description and Introduction

Half Bridge Driver, Single Input, All High Voltage Pins On one Side, Fixed 520ns Deadtime in a 8-pin DIP package The IR2105 is a high-voltage, high-speed power MOSFET and IGBT driver from International Rectifier (IR). Here are the key specifications, descriptions, and features from the manufacturer:  

### **Manufacturer:** International Rectifier (IR)  

### **Description:**  
The IR2105 is a high-voltage, high-speed MOSFET/IGBT driver with independent high- and low-side referenced output channels. It is designed for applications requiring gate driving in half-bridge or full-bridge configurations.  

### **Key Features:**  
- **Floating channel** designed for bootstrap operation  
- **High-side voltage range** up to 600V  
- **Output current capability** (source/sink): 200mA/350mA  
- **Under-voltage lockout (UVLO)** for both channels  
- **Matched propagation delay** for both channels (typ. 120ns)  
- **3.3V, 5V, and 15V logic compatible inputs**  
- **Cross-conduction prevention logic**  
- **Wide supply voltage range (VCC):** 10V to 20V  
- **Low power consumption**  
- **Available in 8-lead PDIP and SOIC packages**  

### **Applications:**  
- Half-bridge and full-bridge motor drives  
- Switch-mode power supplies (SMPS)  
- Inverters  
- Class D amplifiers  

This information is based on the official IR datasheet for the IR2105.

Application Scenarios & Design Considerations

Half Bridge Driver, Single Input, All High Voltage Pins On one Side, Fixed 520ns Deadtime in a 8-pin DIP package

Alternative Part Number

  • FAN2105 --: High-side and low-side gate driver with similar 600V rating and pin-compatible functionality, widely available and cost effective.
  • L6384E --: Half-bridge gate driver with comparable high/low side drive capability and 600V bus rating, suitable drop-in for many IR2105 designs.
  • IRS2105 --: Direct successor family from Infineon (former IR) with equivalent high/low side driver specifications and improved availability.

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