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SC431LCSK-1TRT from SC

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SC431LCSK-1TRT

Manufacturer: SC, SEMTECH

Low Voltage Adjustable Shunt Regulator

Partnumber Manufacturer Quantity Availability
SC431LCSK-1TRT,SC431LCSK1TRT SC, SEMTECH 23098 In Stock

Description and Introduction

Low Voltage Adjustable Shunt Regulator The SC431LCSK-1TRT is a voltage reference IC manufactured by Semtech Corporation.  

### **Specifications:**  
- **Output Voltage:** 1.25V (fixed)  
- **Initial Accuracy:** ±0.5%  
- **Temperature Coefficient (Tempco):** 50 ppm/°C (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Supply Voltage Range:** 2.5V to 12V  
- **Output Current:** 15mA (maximum)  
- **Low Dropout Voltage:** 1.2V (typical)  
- **Package:** SC-70 (SOT-323)  

### **Descriptions and Features:**  
- **Precision Voltage Reference:** Provides a stable 1.25V output with high accuracy.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Low Dropout Operation:** Allows operation with minimal headroom voltage.  
- **Small Footprint:** SC-70 package enables space-constrained designs.  
- **Wide Operating Range:** Supports industrial and automotive temperature ranges.  

This device is commonly used in power management, data converters, and precision measurement systems.

Application Scenarios & Design Considerations

Low Voltage Adjustable Shunt Regulator

Alternative Part Number

  • TL431ACDBZR --: Industry-standard adjustable shunt voltage reference in SOT-23, functionally equivalent to the SC431 and widely available.
  • LM431AIM3 --: Adjustable precision shunt regulator in SOT-23 with similar voltage reference and tolerance specs, a common drop-in alternative.
  • AZ431AN-B --: Adjustable shunt regulator in SOT-23 offering comparable reference voltage and current capability for the same application.
  • LM431AIM3X --: Adjustable precision shunt regulator in SOT-23 package, widely available and a common drop-in replacement for SC431L types.
  • AZ431AN-BRTR --: Adjustable shunt reference in SOT-23 with comparable reference voltage and current capability, suitable alternative to the SC431L.

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