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SC1100UFH-266 from NS,National Semiconductor

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SC1100UFH-266

Manufacturer: NS

Geode? Information Appliance On a Chip

Partnumber Manufacturer Quantity Availability
SC1100UFH-266,SC1100UFH266 NS 30 In Stock

Description and Introduction

Geode? Information Appliance On a Chip The SC1100UFH-266 is a voltage regulator module (VRM) manufactured by NS (National Semiconductor).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 13.2V  
- **Output Voltage:** Adjustable (typically 1.1V to 1.85V)  
- **Output Current:** Up to 26A  
- **Switching Frequency:** 266 kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** Surface-mount (PowerPAD™ SOIC)  

### **Descriptions and Features:**  
- Designed for high-performance microprocessor applications  
- Supports Intel VRM 8.5 specifications  
- Integrated synchronous buck converter  
- Overcurrent and overtemperature protection  
- Adjustable output voltage via external resistors  
- PowerPAD™ package for enhanced thermal performance  
- Compatible with Intel Pentium® III and IV processors  

This module is optimized for high-efficiency power delivery in computing and embedded systems.

Application Scenarios & Design Considerations

Geode? Information Appliance On a Chip

Alternative Part Number

  • AM486DX4-100 --: 486-class x86 CPU with comparable 3.3V core and 100 MHz bus operation, widely used as a drop-in substitute in legacy embedded designs.
  • CX486DX2-66 --: Pin-compatible 486-class processor with integrated cache, suitable for replacing the SC1100 in older embedded boards where full feature parity is not required.
  • STPC-Elite --: Integrated x86 SoC with similar embedded PC architecture and peripheral set, offering a functional alternative for legacy SC1100-based systems.

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