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L4940V85 from ST,ST,ST Microelectronics

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L4940V85

Manufacturer: ST,ST

VERY LOW DROP 1.5 A REGULATORS

Partnumber Manufacturer Quantity Availability
L4940V85 ST,ST 1000 In Stock

Description and Introduction

VERY LOW DROP 1.5 A REGULATORS The L4940V85 is a low-dropout voltage regulator manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Voltage:** 8.5V  
- **Output Current:** Up to 1.5A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 28V  
- **Line Regulation:** 0.04% (Typical)  
- **Load Regulation:** 0.2% (Typical)  
- **Quiescent Current:** 10mA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, D²PAK  

### **Descriptions and Features:**  
- Designed for automotive and industrial applications.  
- Includes built-in thermal shutdown and current limiting for protection.  
- Low standby current consumption.  
- Stable with low-ESR output capacitors.  
- Reverse battery protection (with external diode).  
- Short-circuit and overtemperature protection.  

This regulator is suitable for applications requiring a stable 8.5V supply with high reliability.

Application Scenarios & Design Considerations

VERY LOW DROP 1.5 A REGULATORS

Alternative Part Number

  • LM2940CT-8.5 --: Low-dropout 8.5V linear regulator in TO-220, functionally equivalent to the L4940V85 with similar dropout and current capability.
  • MC33269D-8.5 --: 8.5V low-dropout regulator with comparable output current and thermal performance, suitable as a direct replacement in many applications.
  • L78S85CV --: 8.5V fixed linear regulator in TO-220 from the same vendor family, usable where slightly higher dropout is acceptable.

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