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L4979MD from ST,ST Microelectronics

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L4979MD

Manufacturer: ST

LOW DROP VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
L4979MD ST 529 In Stock

Description and Introduction

LOW DROP VOLTAGE REGULATOR The part **L4979MD** is manufactured by **STMicroelectronics (ST)**. Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Category:** Power Management ICs  
- **Type:** Switching Voltage Regulator  
- **Output Type:** Adjustable  
- **Output Voltage Range:** 3.3V to 50V  
- **Output Current:** Up to 10A  
- **Input Voltage Range:** 15V to 55V  
- **Switching Frequency:** Adjustable up to 300kHz  
- **Package:** Multiwatt15V (Vertical)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  

### **Description:**  
The **L4979MD** is a high-efficiency **step-down (buck) switching regulator** designed for high-power applications. It integrates a **DMOS power switch** and advanced control circuitry, making it suitable for industrial, automotive, and telecom applications requiring high current and voltage regulation.  

### **Features:**  
- **High Efficiency (up to 90%)**  
- **Adjustable Output Voltage (3.3V to 50V)**  
- **10A Continuous Output Current**  
- **Wide Input Voltage Range (15V to 55V)**  
- **Programmable Switching Frequency (up to 300kHz)**  
- **Built-in Soft-Start Function**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Multiwatt15V Package for Better Heat Dissipation**  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official **STMicroelectronics datasheet**.

Application Scenarios & Design Considerations

LOW DROP VOLTAGE REGULATOR
Partnumber Manufacturer Quantity Availability
L4979MD STM 40214 In Stock

Description and Introduction

LOW DROP VOLTAGE REGULATOR The part **L4979MD** is manufactured by **STMicroelectronics (STM)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Category:** Power Management IC  
- **Type:** Step-Down (Buck) Switching Regulator  
- **Output Voltage:** Adjustable (typically 3.3V, 5V, or user-configurable)  
- **Output Current:** Up to 5A  
- **Input Voltage Range:** 8V to 55V  
- **Switching Frequency:** Fixed or adjustable (typically ~200kHz)  
- **Efficiency:** High efficiency (up to ~90%)  
- **Package:** Multiwatt15 (through-hole)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  

### **Descriptions:**  
The **L4979MD** is a monolithic step-down switching regulator designed for high-current applications. It integrates a power MOSFET and control circuitry, making it suitable for automotive, industrial, and telecom power supplies.  

### **Features:**  
- **High Output Current:** Supports up to 5A continuous output.  
- **Wide Input Voltage Range:** 8V to 55V, suitable for automotive and industrial applications.  
- **Adjustable Output Voltage:** Can be set via external resistors.  
- **Thermal Protection:** Built-in overtemperature shutdown.  
- **Current Limiting:** Prevents damage during overloads.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Synchronization Capability:** Allows external clock synchronization.  

This information is based on STMicroelectronics' official documentation for the **L4979MD**.

Application Scenarios & Design Considerations

LOW DROP VOLTAGE REGULATOR

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