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L4957AV1.5 from ST,ST Microelectronics

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L4957AV1.5

Manufacturer: ST

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR

Partnumber Manufacturer Quantity Availability
L4957AV1.5,L4957AV15 ST 410 In Stock

Description and Introduction

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR Here are the factual details about part **L4957AV1.5** from the manufacturer **STMicroelectronics (ST)**:

### **Specifications:**  
- **Output Voltage:** 1.5V (fixed)  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** 4.5V to 28V  
- **Dropout Voltage:** Typically 0.5V at 1A  
- **Line Regulation:** ±0.05% (typical)  
- **Load Regulation:** ±0.1% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5 pins)  

### **Descriptions:**  
- The **L4957AV1.5** is a low-dropout (LDO) voltage regulator designed for high-performance applications.  
- It provides a fixed 1.5V output with high accuracy and stability.  
- Features built-in thermal shutdown and current limiting for protection.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **High Ripple Rejection:** Reduces noise in sensitive applications.  
- **Thermal Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Safeguards against excessive current.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum capacitors.  

This information is based on STMicroelectronics' official documentation for the **L4957AV1.5**.

Application Scenarios & Design Considerations

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR

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