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SC1112S.TR from SEMT

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SC1112S.TR

Manufacturer: SEMT, SEMTECH

Triple Low Dropout Regulator Controllers

Partnumber Manufacturer Quantity Availability
SC1112S.TR,SC1112STR SEMT, SEMTECH 2509 In Stock

Description and Introduction

Triple Low Dropout Regulator Controllers The part **SC1112S.TR** is manufactured by **SEMTECH**. Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** SEMTECH  
- **Part Number:** SC1112S.TR  
- **Type:** Synchronous Buck Regulator  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable from 0.8V to 12V  
- **Output Current:** Up to 12A  
- **Switching Frequency:** 300kHz to 1.2MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Package:** SOIC-8 (Exposed Pad)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
The **SC1112S.TR** is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high current output with tight voltage regulation. It integrates low RDS(ON) MOSFETs to minimize power loss and improve thermal performance.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 18V operation.  
- **High Output Current:** Capable of delivering up to 12A.  
- **Adjustable Output Voltage:** Configurable from 0.8V to 12V via external resistors.  
- **Programmable Switching Frequency:** Allows optimization between 300kHz and 1.2MHz.  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances system reliability.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Triple Low Dropout Regulator Controllers

Alternative Part Number

  • LM1117S-3.3 --: Widely available low-dropout linear regulator in the same SOT-223 class, commonly used as a drop-in substitute for SC1112S.TR.
  • AMS1117-3.3 --: Popular pin-compatible LDO regulator with similar electrical ratings, easy to source and cost-effective replacement.
  • AP1117E33 --: Alternative 3.3V LDO regulator in SOT-223 package with comparable current and voltage specifications.
  • LM1117MP-3.3/NOPB --: Widely available low-dropout linear regulator in SOT-223 with similar current rating and fixed 3.3V output; pin-compatible in most designs and easy to source.
  • MIC5219-3.3YM5 --: Low-dropout regulator with 3.3V output and good noise performance; suitable alternative when a smaller package or lower quiescent current is acceptable.

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