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SC483ITSTRT from SC

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SC483ITSTRT

Manufacturer: SC, SEMTEH, SEMTECH

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Partnumber Manufacturer Quantity Availability
SC483ITSTRT SC, SEMTEH, SEMTECH 2648 In Stock

Description and Introduction

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller The SC483ITSTRT is a component manufactured by SEMTECH. Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** SEMTECH  
- **Part Number:** SC483ITSTRT  
- **Type:** Synchronous Buck Regulator  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable (0.6V to 5.5V)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN-10 (3x3mm)  

### **Descriptions:**
The SC483ITSTRT is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high performance in a compact form factor. It integrates low-RDS(on) MOSFETs to minimize power loss and supports a wide input voltage range.

### **Features:**
- **Integrated Power MOSFETs**  
- **Adjustable Output Voltage**  
- **High Efficiency (up to 95%)**  
- **500kHz Switching Frequency**  
- **Over-Current and Thermal Protection**  
- **Soft-Start Function**  
- **Compact DFN-10 Package**  

This information is based solely on the available knowledge base. For detailed application-specific guidance, refer to the official SEMTECH datasheet.

Application Scenarios & Design Considerations

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Alternative Part Number

  • TPS54331DR --: Widely available 3A step-down converter in SOIC-8, similar input range and current rating, easy drop-in for many SC483 applications.
  • LM2596S-ADJ --: Robust adjustable buck regulator with higher current capability and broad availability, suitable when extra margin is acceptable.
  • MP1584EN --: Compact 3A step-down converter with wide input range, low-cost alternative often used where SC483-class regulators are specified.

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