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SPX5205M5 from SIPEX

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SPX5205M5

Manufacturer: SIPEX

150 mA, Low-Noise LDO Voltage Regulator

Partnumber Manufacturer Quantity Availability
SPX5205M5 SIPEX 9800 In Stock

Description and Introduction

150 mA, Low-Noise LDO Voltage Regulator The SPX5205M5 is a low-dropout (LDO) voltage regulator manufactured by SIPEX (now part to Microchip). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** Fixed 5V  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** 340mV (typical) at 500mA  
- **Input Voltage Range:** 5.5V to 12V  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 1.1mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The SPX5205M5 is a low-dropout linear regulator designed for stable 5V output.  
- It features low noise, high PSRR (Power Supply Rejection Ratio), and thermal shutdown protection.  
- Suitable for battery-powered and noise-sensitive applications.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation with small input-output differentials.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.  
- **Low Quiescent Current:** Enhances efficiency in power-sensitive designs.  

For exact performance under specific conditions, refer to the official datasheet.

Application Scenarios & Design Considerations

150 mA, Low-Noise LDO Voltage Regulator

Alternative Part Number

  • LP2985IM5-3.3 --: Pin-compatible low-dropout linear regulator in SOT-23-5 with similar 150 mA output and low noise, widely available and often used as a direct substitute for the SPX5205.
  • MIC5205-3.3YM5 --: SOT-23-5 LDO regulator with comparable dropout voltage and current rating, functionally equivalent and commonly cross-referenced for SPX5205 designs.
  • LM3480IM3-3.3 --: Low-dropout regulator offering similar voltage and current capability; a practical alternative when the SPX5205 is unavailable, though package and pinout should be verified.

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