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L7818 from ST,ST Microelectronics

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L7818

Manufacturer: ST

POSITIVE VOLTAGE REGULATORS

Partnumber Manufacturer Quantity Availability
L7818 ST 1 In Stock

Description and Introduction

POSITIVE VOLTAGE REGULATORS The L7818 is a positive voltage regulator manufactured by STMicroelectronics. Here are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Output Voltage:** +18V  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** Up to 35V (recommended max 27V for stability)  
- **Dropout Voltage:** 2V (typical)  
- **Line Regulation:** 0.03% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package Options:** TO-220, TO-220FP, D²PAK  

### **Descriptions:**  
- The L7818 is a three-terminal fixed positive voltage regulator.  
- It provides a stable +18V output with built-in thermal overload protection, short-circuit protection, and safe operating area (SOA) protection.  
- Designed for use in a wide range of applications requiring regulated power supplies.  

### **Features:**  
- **Thermal Overload Protection:** Automatically shuts down if temperature exceeds safe limits.  
- **Short-Circuit Protection:** Safeguards against output short circuits.  
- **No External Components Required:** Only input and output capacitors are needed for stability.  
- **Low Quiescent Current:** Ensures efficiency in standby modes.  
- **Internal Current Limiting:** Prevents damage from excessive current.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

POSITIVE VOLTAGE REGULATORS

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