DUAL LINE PROGRAMMABLE TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION The **LCDP1521** is a **low-dropout (LDO) voltage regulator** manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** Typically 200mV at full load  
- **Input Voltage Range:** Up to 12V  
- **Quiescent Current:** Typically 1.5mA  
- **Line Regulation:** 0.05%/V (typical)  
- **Load Regulation:** 0.5%/100mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-92 (through-hole)  

### **Descriptions:**  
- Designed for **low-power applications** requiring stable voltage regulation.  
- Features **internal current limiting** and **thermal shutdown** for protection.  
- Suitable for **battery-powered devices, consumer electronics, and industrial applications**.  

### **Features:**  
- **Low dropout voltage** for efficient operation.  
- **No external components required** for basic operation.  
- **Short-circuit and thermal protection** for reliability.  
- **Wide input voltage range** for flexibility.  

For exact performance under specific conditions, refer to the **official ST datasheet**.

DUAL LINE PROGRAMMABLE TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION