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SC1175CSW.TR from SEMTECH

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SC1175CSW.TR

Manufacturer: SEMTECH, SC, SEMTECH CORP, SEM

Low Power Dual Synchronous DC/DC Controller With Current Sharing Circuitry

Partnumber Manufacturer Quantity Availability
SC1175CSW.TR,SC1175CSWTR SEMTECH, SC, SEMTECH CORP, SEM 4592 In Stock

Description and Introduction

Low Power Dual Synchronous DC/DC Controller With Current Sharing Circuitry The part **SC1175CSW.TR** is manufactured by **SEMTECH**. Below are the specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** SEMTECH  
- **Part Number:** SC1175CSW.TR  
- **Package:** SOP-8 (Small Outline Package)  
- **Type:** Synchronous Buck Regulator  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable (0.8V to 5.5V)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The **SC1175CSW.TR** is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high performance in a compact footprint. It integrates low RDS(ON) MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for various power supply designs.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Adjustable Output:** Output voltage can be set via external resistors.  
- **Integrated MOSFETs:** Reduces external component count.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent & Thermal Protection:** Enhances system reliability.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  

This information is strictly factual and sourced from the manufacturer's documentation.

Application Scenarios & Design Considerations

Low Power Dual Synchronous DC/DC Controller With Current Sharing Circuitry

Alternative Part Number

  • LM3478MM --: Widely available low-side N-channel controller in an MSOP-8 package, functionally similar to the SC1175 current-mode controller and easy to source as a drop-in design alternative.
  • UC3843BD1 --: Classic current-mode PWM controller in SO-8 with comparable drive and compensation features, well documented and broadly stocked as a replacement for Semtech controller designs.
  • NCP1252ADR2G --: Modern current-mode PWM controller in SO-8 offering similar gate drive and protection functions, suitable as a second-source alternative when the SC1175 is unavailable.
  • LM3489MM --: Pin-compatible buck controller with similar current-mode architecture and wide input range, widely available and well documented.
  • MAX1776EUA --: Comparable step-down controller with similar voltage and current ratings, suitable drop-in for many SC1175 applications.
  • TPS5430DDA --: Integrated-switch buck regulator covering similar input/output ranges, offering a simpler single-chip alternative with good availability.
  • LTC1772CS6#PBF --: Current-mode step-down switching regulator controller in a small package, functionally similar to the SC1175 controller and widely available.
  • MAX1776EUA+ --: High-voltage step-down DC-DC controller with comparable input range and switching architecture, suitable as a drop-in functional replacement.
  • TPS5420D --: Step-down converter controller with similar voltage and current capability, commonly used as an alternative in power supply designs.
  • LM2642MTC --: Dual-channel synchronous step-down controller with similar function and pin-compatible feature set, widely available and well documented.

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