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SI9100DN02 from SI

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SI9100DN02

Manufacturer: SI, VISHAY, SILICONIX

3-W High-Voltage Switchmode Regulator

Partnumber Manufacturer Quantity Availability
SI9100DN02 SI, VISHAY, SILICONIX 10950 In Stock

Description and Introduction

3-W High-Voltage Switchmode Regulator The SI9100DN02 is a power MOSFET manufactured by SILICONIX. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** SILICONIX  
- **Type:** N-Channel Power MOSFET  
- **Drain-Source Voltage (VDSS):** 100V  
- **Continuous Drain Current (ID):** 12A  
- **Pulsed Drain Current (IDM):** 48A  
- **Power Dissipation (PD):** 50W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.25Ω (max) at VGS = 10V  
- **Threshold Voltage (VGS(th)):** 2V (min), 4V (max)  
- **Input Capacitance (Ciss):** 500pF (typ)  
- **Output Capacitance (Coss):** 150pF (typ)  
- **Reverse Transfer Capacitance (Crss):** 50pF (typ)  
- **Turn-On Delay Time (td(on)):** 15ns (typ)  
- **Turn-Off Delay Time (td(off)):** 35ns (typ)  
- **Rise Time (tr):** 30ns (typ)  
- **Fall Time (tf):** 20ns (typ)  
- **Package:** TO-252 (DPAK)  

### **Description:**
The SI9100DN02 is an N-channel power MOSFET designed for high-efficiency switching applications. It features low on-resistance and fast switching speeds, making it suitable for power management in DC-DC converters, motor control, and other high-performance applications.

### **Features:**
- **Low On-Resistance:** Minimizes conduction losses.  
- **Fast Switching Speed:** Enhances efficiency in high-frequency applications.  
- **High Current Handling:** Supports up to 12A continuous drain current.  
- **Robust Thermal Performance:** TO-252 package for effective heat dissipation.  
- **Wide Gate-Source Voltage Range:** ±20V for flexible drive requirements.  

This information is based solely on the manufacturer's datasheet. For detailed application guidelines, refer to the official SILICONIX documentation.

Application Scenarios & Design Considerations

3-W High-Voltage Switchmode Regulator

Alternative Part Number

  • LT1108CN8 --: Pin-compatible step-down switching regulator in an 8-pin DIP package with similar input voltage range and current capability, widely available as a functional substitute.
  • MC34063ACN --: Versatile DC-DC converter IC in 8-pin DIP that can be configured for step-down operation, offering a low-cost and easily sourced alternative.
  • LM2575T-5 --: Integrated step-down regulator with fixed 5V output and adequate current rating, suitable as a drop-in style replacement where board space and pinout allow.
  • TPS5420D --: Wide-input buck converter with comparable voltage and current ratings, commonly used as a functional substitute in similar power supply designs.
  • LM2596S-ADJ --: Adjustable step-down regulator with similar input range and load capability, widely available and often used where the original part is unavailable.
  • MC34063A --: Versatile DC-DC switching regulator IC that can be configured for similar step-down applications, offering a low-cost alternative with broad availability.
  • MC34063AD --: Versatile DC-DC switching regulator in SOIC-8, commonly used as a substitute for older Siliconix converter parts.

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