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SC4901ITSTRT from SEMTECH

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SC4901ITSTRT

Manufacturer: SEMTECH

COMBI-SYNC Secondary Side Synchronous Rectifier and Regulator
Partnumber Manufacturer Quantity Availability
SC4901ITSTRT SEMTECH 2257 In Stock

Description and Introduction

COMBI-SYNC Secondary Side Synchronous Rectifier and Regulator **Manufacturer:** SEMTECH  

**Part Number:** SC4901ITSTRT  

### **Specifications:**  
- **Type:** Synchronous Buck Regulator  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 6A  
- **Switching Frequency:** 500kHz to 1.5MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin TSSOP  

### **Descriptions:**  
The SC4901ITSTRT is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high current and tight voltage regulation. It integrates low RDS(on) MOSFETs to minimize power loss and supports adjustable output voltage.  

### **Features:**  
- Adjustable output voltage via external resistors  
- Adjustable switching frequency for optimization  
- Integrated power MOSFETs  
- Overcurrent and overtemperature protection  
- Soft-start functionality  
- Low dropout operation  
- Power-good indicator  
- Synchronizable to an external clock  

This information is based solely on the provided knowledge base.

Application Scenarios & Design Considerations

COMBI-SYNC Secondary Side Synchronous Rectifier and Regulator

Alternative Part Number

  • LM3478MM --: Widely available low-side N-channel controller in an MSOP-8 package, functionally similar to the SC4901 boost/controller family and easy to source.
  • NCP3063DR2G --: Robust boost/inverting switching regulator controller in SOIC-8, a common drop-in style alternative for low-voltage DC-DC controller designs.
  • MC34063ADR2G --: Industry-standard general-purpose DC-DC controller in SOIC-8, inexpensive and broadly stocked, suitable for less demanding boost converter replacements.

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