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SC1485ITSTRT from SEMTEC

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SC1485ITSTRT

Manufacturer: SEMTEC, SEMTECH, SEMTECK

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Partnumber Manufacturer Quantity Availability
SC1485ITSTRT SEMTEC, SEMTECH, SEMTECK 1488 In Stock

Description and Introduction

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller The part **SC1485ITSTRT** is manufactured by **SEMTECH**. Below are the specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** SEMTECH  
- **Part Number:** SC1485ITSTRT  
- **Package:** DFN (Dual Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** Typically 2.7V to 5.5V  
- **Output Voltage:** Adjustable or fixed, depending on variant  
- **Output Current:** Up to several hundred mA (exact value depends on configuration)  
- **Switching Frequency:** High-frequency operation (exact value varies)  
- **Efficiency:** High efficiency for power-sensitive applications  

### **Descriptions:**  
The **SC1485ITSTRT** is a high-performance, compact power management IC designed for portable and low-power applications. It integrates a switching regulator to provide efficient voltage conversion with minimal external components.  

### **Features:**  
- **Low Quiescent Current:** Optimized for battery-powered devices.  
- **Integrated Power Switch:** Reduces external component count.  
- **Adjustable Output Voltage (if applicable):** Allows flexibility in design.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Short-Circuit Protection:** Enhances system reliability.  
- **Small Footprint:** Suitable for space-constrained applications.  

For exact electrical characteristics, refer to the official **SEMTECH datasheet** for the **SC1485ITSTRT**.

Application Scenarios & Design Considerations

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Alternative Part Number

  • LM2596S-5.0 --: Widely available step-down regulator in the same power class with similar input/output ratings and easy second-sourcing.
  • MP1584EN --: Compact high-efficiency buck converter covering comparable voltage and current ranges, often used as a drop-in substitute.
  • AP6503 --: Integrated synchronous buck regulator with similar current capability and pin-compatible footprint options for replacement.
  • TPS54331DR --: Widely available 3A step-down converter in SOIC-8 with similar input range and current capability, a common drop-in style replacement for Semtech switching regulators.
  • LM2596S-ADJ --: Robust adjustable buck regulator rated 3A with a very broad input range, well documented and easy to source as a functional substitute.
  • TPS5430DDA --: Widely available 3A step-down converter in SOIC-8 PowerPAD, similar input range and function to the SC1485, with strong second-source availability.

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