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L4941 from ST,ST Microelectronics

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L4941

Manufacturer: ST

1A-5V LOW DROP REGULATOR

Partnumber Manufacturer Quantity Availability
L4941 ST 290 In Stock

Description and Introduction

1A-5V LOW DROP REGULATOR The part **L4941** is a **low-drop voltage regulator** manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** Typically 0.2V at 100mA load  
- **Input Voltage Range:** Up to 30V  
- **Low Quiescent Current:** Typically 1.5mA  
- **Low Standby Current:** 10µA (typical) in OFF mode  
- **Protection Features:**  
  - Short-circuit protection  
  - Thermal shutdown  
  - Reverse polarity protection  

### **Features:**  
- **Very Low Dropout Voltage** (suitable for battery-powered applications)  
- **Low Power Consumption** (ideal for energy-efficient designs)  
- **High Ripple Rejection** (reduces noise in power supply lines)  
- **Enable/Disable Function** (allows power management control)  
- **Wide Operating Temperature Range:** -40°C to +125°C  

### **Applications:**  
- Automotive systems  
- Battery-powered devices  
- Industrial control systems  
- Consumer electronics  

The **L4941** is available in different package options, including **TO-220, DPAK, and SO-8**.  

(Source: STMicroelectronics datasheet)

Application Scenarios & Design Considerations

1A-5V LOW DROP REGULATOR

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