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L4993MD from ST,ST Microelectronics

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L4993MD

Manufacturer: ST

Low drop voltage regulator with watchdog

Partnumber Manufacturer Quantity Availability
L4993MD ST 8 In Stock

Description and Introduction

Low drop voltage regulator with watchdog The part L4993MD is manufactured by STMicroelectronics (ST).  

**Specifications:**  
- **Category:** Voltage Regulator  
- **Type:** Low Dropout (LDO) Regulator  
- **Output Voltage:** Adjustable or Fixed (depending on variant)  
- **Output Current:** Up to 1.5A  
- **Dropout Voltage:** Low dropout for improved efficiency  
- **Input Voltage Range:** Typically up to 20V (exact range may vary)  
- **Package:** SO-8 (Surface Mount)  
- **Protection Features:** Overcurrent, Thermal Shutdown  

**Descriptions and Features:**  
- Designed for high-performance voltage regulation in various applications.  
- Suitable for industrial, automotive, and consumer electronics.  
- Stable operation with low ESR capacitors.  
- High accuracy and low noise output.  
- Thermal protection ensures safe operation under high loads.  

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

Application Scenarios & Design Considerations

Low drop voltage regulator with watchdog

Alternative Part Number

  • LM2931AD50 --: Low-dropout 5V linear regulator in SO-8 with comparable current rating and pinout, widely available and often used as a drop-in substitute for ST L49xx regulators.
  • MC33269D-5.0 --: 5V low-dropout regulator in SO-8 with similar dropout and current capability, a common second-source option for automotive-grade linear regulators.
  • L78L05ACD --: Standard 5V linear regulator in SO-8 from the same manufacturer, suitable when lower current and higher dropout are acceptable in the application.

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