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SC431LCSK-1 from SEMTECH

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SC431LCSK-1

Manufacturer: SEMTECH

LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

Partnumber Manufacturer Quantity Availability
SC431LCSK-1,SC431LCSK1 SEMTECH 2935 In Stock

Description and Introduction

LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR The SC431LCSK-1 is a low-voltage adjustable precision shunt regulator manufactured by **SEMTECH**.  

### **Specifications:**  
- **Output Voltage Range:** 1.24V to 6V  
- **Reference Voltage:** 1.24V (typical)  
- **Operating Current:** 80µA (typical)  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Temperature Stability:** ±50ppm/°C (typical)  
- **Package:** SC-70 (SOT-323)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Adjustable output voltage via external resistors  
- Low operating current for power-sensitive applications  
- High accuracy with tight voltage tolerance  
- Stable with low ESR capacitors  
- Suitable for voltage reference, power supply regulation, and error amplification  
- Small form factor (SC-70 package) for space-constrained designs  

For exact electrical characteristics and application details, refer to the official **SEMTECH datasheet**.

Application Scenarios & Design Considerations

LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

Alternative Part Number

  • TL431ACLPR --: Industry-standard adjustable shunt voltage reference with similar 2.5V reference and programmable output, widely available and pin-compatible in function.
  • LM431ACZ --: Adjustable precision shunt regulator offering comparable reference voltage and tolerance, suitable drop-in functional replacement.
  • KA431AZ --: Adjustable shunt regulator with similar electrical characteristics and low cost, commonly used as an alternative to SC431 series.

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