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L7818CV from ST,ST Microelectronics

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L7818CV

Manufacturer: ST

500mA positive voltage regulator, 18V

Partnumber Manufacturer Quantity Availability
L7818CV ST 10000 In Stock

Description and Introduction

500mA positive voltage regulator, 18V The **L7818CV** is a positive voltage regulator manufactured by **STMicroelectronics (ST)**. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** +18V (fixed)  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** Up to 35V (recommended to stay within limits for heat dissipation)  
- **Dropout Voltage:** ~2V (typical)  
- **Line Regulation:** 60mV (typical)  
- **Load Regulation:** 120mV (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package:** TO-220 (through-hole)  

### **Descriptions:**
- The **L7818CV** is a **linear voltage regulator** that provides a stable +18V output.  
- It includes **internal thermal overload protection**, **short-circuit protection**, and **safe operating area (SOA) protection**.  
- Designed for **fixed-voltage applications** requiring reliable power regulation.  

### **Features:**
- **Thermal Overload Protection** – Shuts down if temperature exceeds safe limits.  
- **Short-Circuit Protection** – Safeguards against output shorts.  
- **No External Components Required** – Only input/output capacitors are needed for stability.  
- **Low Noise Output** – Suitable for analog and digital circuits.  
- **TO-220 Package** – Easy to mount with good heat dissipation.  

This regulator is commonly used in **power supplies, industrial controls, and consumer electronics**.

Application Scenarios & Design Considerations

500mA positive voltage regulator, 18V
Partnumber Manufacturer Quantity Availability
L7818CV STM 98 In Stock

Description and Introduction

500mA positive voltage regulator, 18V The **L7818CV** is a positive voltage regulator manufactured by **STMicroelectronics (STM)**. Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** +18V (fixed)  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** Up to 35V (recommended to stay within limits 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:** TO-220 (through-hole)  

### **Descriptions:**  
- The L7818CV is a **linear voltage regulator** that provides a stable +18V output.  
- It includes **internal thermal overload protection**, **short-circuit protection**, and **safe operating area (SOA) protection**.  
- Designed for **fixed-voltage applications** where a regulated +18V supply is required.  

### **Features:**  
- **Thermal Overload Protection:** Shuts down if temperature exceeds safe limits.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **No External Components Required:** Only input/output capacitors are typically needed for stability.  
- **Low Noise & Low Ripple:** Suitable for analog and digital circuits requiring clean power.  

This regulator is commonly used in power supplies, industrial controls, and consumer electronics.  

*(Source: STMicroelectronics datasheet for L7818CV.)*

Application Scenarios & Design Considerations

500mA positive voltage regulator, 18V
Partnumber Manufacturer Quantity Availability
L7818CV ST进口 20 In Stock

Description and Introduction

500mA positive voltage regulator, 18V The **L7818CV** is a **positive voltage regulator** manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** +18V (fixed)  
- **Output Current:** Up to **1.5A**  
- **Input Voltage Range:** Up to **35V** (recommended 20V–30V for optimal performance)  
- **Dropout Voltage:** Typically **2V** at full load  
- **Line Regulation:** **0.03%** (typical)  
- **Load Regulation:** **0.1%** (typical)  
- **Operating Temperature Range:** **0°C to +125°C**  
- **Package:** **TO-220** (through-hole mounting)  
- **Internal Thermal Overload Protection:** Yes  
- **Short-Circuit Protection:** Yes  
- **Output Transistor Safe Operating Area (SOA) Protection:** Yes  

### **Descriptions & Features:**  
- The **L7818CV** is a **three-terminal linear regulator** designed to provide a stable **+18V DC output**.  
- It includes **built-in thermal shutdown**, **current limiting**, and **safe operating area protection** for enhanced reliability.  
- Suitable for **power supply applications**, including industrial, automotive, and consumer electronics.  
- Requires minimal external components (typically input/output capacitors for stability).  
- **Low noise** and **low ripple** compared to switching regulators.  

This regulator is widely used in circuits requiring a fixed **+18V** supply with moderate current demands.

Application Scenarios & Design Considerations

500mA positive voltage regulator, 18V

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