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IR3508Z from IR,International Rectifier

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IR3508Z

Manufacturer: IR, IOR

XPHASE3TM PHASE IC

Partnumber Manufacturer Quantity Availability
IR3508Z IR, IOR 730 In Stock

Description and Introduction

XPHASE3TM PHASE IC The part **IR3508Z** is a **dual N-channel MOSFET driver** manufactured by **International Rectifier (IR)**. Below are its specifications, descriptions, and features based on available data:

### **Specifications:**  
- **Manufacturer:** International Rectifier (IR)  
- **Type:** Dual N-Channel MOSFET Driver  
- **Output Current (Peak):** 2A (source) / 3A (sink)  
- **Supply Voltage (VDD):** 4.5V to 14V  
- **Propagation Delay:** ~50ns (typical)  
- **Rise/Fall Time:** ~20ns (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- Designed for driving **high-speed N-channel MOSFETs** in synchronous buck converters.  
- Features **independent high-side and low-side gate drivers** for flexible control.  
- Includes **adaptive shoot-through protection** to prevent cross-conduction.  

### **Features:**  
- **High-Speed Switching:** Optimized for fast transitions.  
- **Low Propagation Delay:** Ensures precise timing in power applications.  
- **3A Sink Current:** Strong gate discharge capability.  
- **Adaptive Dead-Time Control:** Reduces shoot-through risk.  
- **Wide Supply Voltage Range:** Compatible with various logic levels.  
- **Under-Voltage Lockout (UVLO):** Protects MOSFETs during low-voltage conditions.  

For exact electrical characteristics, refer to the official **IR3508Z datasheet** from International Rectifier (Infineon).

Application Scenarios & Design Considerations

XPHASE3TM PHASE IC

Alternative Part Number

  • ISL6625ACRZ --: Renesas (formerly Intersil) integrated MOSFET driver in the same function class as the IR3508Z, with comparable drive capability and a different series naming for easy distinction.
  • FAN5009MX --: Dual high-side/low-side gate driver with similar voltage and current ratings, suitable as a functional replacement for the IR3508Z driver.
  • NCP5359DR2G --: Integrated driver IC for synchronous buck converters offering comparable drive strength and timing characteristics, usable as an alternative to the IR3508Z.
  • ISL6596CRZ --: Integrated MOSFET driver in the same VR controller ecosystem; functionally similar gate driver for multiphase CPU power stages and widely available as a drop-in style replacement.

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