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SPX1580T5-3.3

Manufacturer: Sipex

7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed

Partnumber Manufacturer Quantity Availability
SPX1580T5-3.3,SPX1580T533 Sipex 2972 In Stock

Description and Introduction

7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed The SPX1580T5-3.3 is a low dropout (LDO) voltage regulator manufactured by Exar (now part of MaxLinear). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.3V to 16V  
- **Dropout Voltage:** 340mV (typical) at 3A load  
- **Output Current:** 3A (maximum)  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**  
- Designed for high-performance, low-noise applications.  
- Includes thermal shutdown and current limit protection.  
- Stable with low-ESR ceramic capacitors (≥10µF recommended).  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.  
- **High Accuracy:** Tight output voltage tolerance (±1%).  
- **Fast Transient Response:** Suitable for dynamic load conditions.  
- **Protection Circuits:** Thermal shutdown and current limiting for reliability.  
- **Wide Input Voltage Range:** Supports various power supply configurations.  

This regulator is commonly used in industrial, automotive, and telecom applications requiring stable power delivery.

Application Scenarios & Design Considerations

7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed

Alternative Part Number

  • LM1085IT-3.3 --: 3.3V fixed low-dropout linear regulator in TO-220, similar current capability and pinout, widely available and well documented.
  • AMS1085CM-3.3 --: 3.3V fixed LDO regulator with comparable dropout and current rating, direct functional substitute in TO-263 style packages.
  • LT1085CT-3.3 --: 3.3V fixed LDO regulator with similar electrical characteristics and TO-220 package, suitable drop-in replacement for many designs.
  • AMS1117-3.3 --: Common 3.3V LDO regulator with comparable dropout and current rating, low cost and easy to source as a drop-in style replacement.

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