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L4963D013TR from ST,ST Microelectronics

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L4963D013TR

Manufacturer: ST

1.5A SWITCHING REGULATOR

Partnumber Manufacturer Quantity Availability
L4963D013TR ST 2500 In Stock

Description and Introduction

1.5A SWITCHING REGULATOR The **L4963D013TR** is a monolithic power switching regulator manufactured by **STMicroelectronics (ST)**. Here are the key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** Adjustable from **5.1V to 40V**  
- **Output Current:** Up to **2.5A** (with external transistor)  
- **Input Voltage Range:** **9V to 46V**  
- **Switching Frequency:** **100 kHz** (fixed)  
- **Efficiency:** Up to **90%**  
- **Dropout Voltage:** **0.5V (typ.)**  
- **Operating Temperature Range:** **-40°C to +125°C**  
- **Package:** **TO-263 (D²PAK-5L)**  

### **Descriptions:**  
- The **L4963D013TR** is a **step-down (buck) switching regulator** with a **high-efficiency monolithic design**.  
- It integrates a **PWM controller, power switch, and protection circuits** in a single chip.  
- Designed for **DC-DC conversion** in automotive, industrial, and consumer applications.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors.  
- **Internal Current Limiting** for overcurrent protection.  
- **Thermal Shutdown** to prevent overheating.  
- **Soft-Start Function** to limit inrush current.  
- **Under-Voltage Lockout (UVLO)** for input voltage protection.  
- **Low Standby Current** when disabled.  

This regulator is suitable for applications requiring **high efficiency and compact power solutions**.  

(Source: **STMicroelectronics Datasheet**)

Application Scenarios & Design Considerations

1.5A SWITCHING REGULATOR

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