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L5953 from ST,ST Microelectronics

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L5953

Manufacturer: ST

MULTIPLE SWITCHING VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
L5953 ST 1 In Stock

Description and Introduction

MULTIPLE SWITCHING VOLTAGE REGULATOR The part L5953 is a voltage regulator manufactured by STMicroelectronics. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Type:** Low Dropout (LDO) Voltage Regulator  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** 1.5A  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** Up to 40V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220, TO-263 (D²PAK), and other variants  

### **Descriptions:**
- The L5953 is a high-performance linear voltage regulator designed for applications requiring stable 5V power.  
- It features low dropout voltage, making it suitable for battery-powered and automotive systems.  
- Includes built-in protection features such as thermal shutdown, current limiting, and reverse polarity protection.  

### **Features:**
- **High Output Current:** Supports up to 1.5A.  
- **Low Dropout Voltage:** Efficient operation even with small input-output differentials.  
- **Wide Input Voltage Range:** Compatible with high-voltage inputs up to 40V.  
- **Thermal Protection:** Automatic shutdown in case of overheating.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Reverse Polarity Protection:** Prevents damage from incorrect power connections.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

MULTIPLE SWITCHING VOLTAGE REGULATOR

Alternative Part Number

  • TLE4275G --: Low-dropout linear regulator in a similar voltage/current class, widely used as a drop-in substitute for ST automotive regulators.
  • MC33269DT-5.0G --: 5V low-dropout regulator with comparable current capability and thermal behavior, suitable for similar supply rails.
  • LM2940CT-5.0 --: Classic 5V low-dropout regulator with robust automotive-grade variants, commonly cross-referenced for ST L-series parts.

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