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L4937NL from ST,ST Microelectronics

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L4937NL

Manufacturer: ST

DUAL MULTIFUNCTION VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
L4937NL ST 147 In Stock

Description and Introduction

DUAL MULTIFUNCTION VOLTAGE REGULATOR The part **L4937NL** is a voltage regulator manufactured by **STMicroelectronics (ST)**. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 250mA  
- **Dropout Voltage:** 0.4V (typical at 100mA)  
- **Quiescent Current:** 1.5mA (typical)  
- **Low Standby Current:** 10µA (typical)  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DIP-8 or SO-8  

### **Descriptions:**  
- The **L4937NL** is a low-dropout (LDO) voltage regulator designed for automotive and industrial applications.  
- It provides a stable 3.3V output with low power consumption and high reliability.  
- Includes built-in protection features such as thermal shutdown and short-circuit protection.  

### **Features:**  
- **Low Dropout Voltage** (suitable for battery-powered applications).  
- **Very Low Quiescent Current** (enhances efficiency in standby mode).  
- **Thermal Shutdown Protection** (prevents damage from overheating).  
- **Short-Circuit Protection** (safeguards against output faults).  
- **Reverse Polarity Protection** (protects against incorrect power supply connection).  
- **Automotive-Grade Reliability** (qualified for harsh environments).  

For exact performance characteristics, refer to the **STMicroelectronics datasheet** for the **L4937NL**.

Application Scenarios & Design Considerations

DUAL MULTIFUNCTION VOLTAGE REGULATOR
Partnumber Manufacturer Quantity Availability
L4937NL ST 15500 In Stock

Description and Introduction

DUAL MULTIFUNCTION VOLTAGE REGULATOR The part **L4937NL** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Output Voltage:** 3.3 V (fixed)  
- **Output Current:** Up to 250 mA  
- **Input Voltage Range:** 4.5 V to 28 V  
- **Low Dropout Voltage:** 300 mV (typical at 250 mA)  
- **Low Quiescent Current:** 120 µA (typical)  
- **Low Standby Current:** < 1 µA (when disabled)  
- **Thermal Shutdown Protection:** Yes  
- **Short-Circuit Protection:** Yes  
- **Reverse Polarity Protection:** Yes  
- **Package:** DPAK (TO-252)  

### **Descriptions:**  
The **L4937NL** is a low-dropout (LDO) voltage regulator designed for automotive and industrial applications. It provides a stable 3.3 V output with high accuracy and low power consumption.  

### **Features:**  
- **Wide Input Voltage Range** (4.5 V to 28 V)  
- **Low Dropout Voltage** for efficient operation  
- **Low Quiescent Current** for power-sensitive applications  
- **Thermal and Short-Circuit Protection** for reliability  
- **Reverse Polarity Protection** for automotive safety  
- **Enable/Disable Control** for power management  

This regulator is suitable for battery-powered systems, automotive electronics, and industrial control applications.

Application Scenarios & Design Considerations

DUAL MULTIFUNCTION VOLTAGE REGULATOR

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