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LF257D from ST,ST Microelectronics

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LF257D

Manufacturer: ST

WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS

Partnumber Manufacturer Quantity Availability
LF257D ST 6000 In Stock

Description and Introduction

WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS The LF257D is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (ST). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** Fixed 5V  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** 0.45V (typical at 500mA)  
- **Input Voltage Range:** Up to 30V  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**  
- The LF257D is a positive voltage regulator designed for applications requiring stable 5V power with low dropout.  
- It includes thermal shutdown and current limit protection for enhanced reliability.  
- Suitable for automotive, industrial, and consumer electronics.  

### **Features:**  
- Low dropout voltage for efficient operation.  
- Internal thermal and short-circuit protection.  
- No external components required for fixed output.  
- High ripple rejection.  
- Stable with low-ESR capacitors.  

For detailed datasheet information, refer to STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS

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