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SI9166 from SI

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SI9166

Manufacturer: SI

High Frequency Programmable Topology Controller

Partnumber Manufacturer Quantity Availability
SI9166 SI 1022 In Stock

Description and Introduction

High Frequency Programmable Topology Controller **Part Number:** SI9166  
**Manufacturer:** Siliconix (now part of Vishay)  

### **Specifications:**  
- **Type:** High-Speed MOSFET Driver  
- **Voltage Supply Range:** 4.5V to 18V  
- **Peak Output Current:** ±1.5A  
- **Propagation Delay:** 25ns (typical)  
- **Rise/Fall Time:** 15ns (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC  

### **Descriptions and Features:**  
- Designed for driving high-speed power MOSFETs and IGBTs.  
- Low propagation delay for efficient switching applications.  
- High peak output current for fast capacitive load charging.  
- TTL/CMOS compatible input logic levels.  
- Under-voltage lockout (UVLO) protection.  
- Suitable for DC-DC converters, motor drives, and power supplies.  

(Note: Always verify with the latest datasheet for updated specifications.)

Application Scenarios & Design Considerations

High Frequency Programmable Topology Controller

Alternative Part Number

  • TPS62000 --: High-efficiency synchronous buck converter with similar input voltage range and load capability, widely available and well documented.
  • LM2596 --: Simple step-down switching regulator with comparable current rating, easy to source and commonly used as a drop-in style replacement in many designs.
  • MP1584 --: Compact high-frequency buck converter offering similar voltage and current performance in a small package, suitable for space-constrained designs.

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