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L4901A from ST,ST,ST Microelectronics

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L4901A

Manufacturer: ST,ST

DUAL 5V REGULATOR WITH RESET

Partnumber Manufacturer Quantity Availability
L4901A ST,ST 10000 In Stock

Description and Introduction

DUAL 5V REGULATOR WITH RESET The part **L4901A** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Low-dropout (LDO) voltage regulator  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** Up to 100mA  
- **Dropout Voltage:** Typically 0.4V at full load  
- **Input Voltage Range:** Up to 28V  
- **Low Quiescent Current:** Typically 0.5mA  
- **Thermal Protection:** Yes  
- **Short-Circuit Protection:** Yes  
- **Package:** TO-92, DPAK, or other variants  

### **Descriptions:**  
- The **L4901A** is a fixed 5V LDO regulator designed for automotive and industrial applications.  
- It provides stable voltage regulation with low dropout, making it suitable for battery-powered systems.  
- Features built-in protections against overcurrent, overheating, and short circuits.  

### **Features:**  
- **Fixed 5V output**  
- **Low dropout voltage**  
- **Wide input voltage range** (up to 28V)  
- **Low quiescent current**  
- **Thermal shutdown protection**  
- **Short-circuit protection**  
- **Suitable for harsh environments** (automotive-grade)  

This information is based on STMicroelectronics' official documentation for the L4901A.

Partnumber Manufacturer Quantity Availability
L4901A STM 10000 In Stock

Description and Introduction

DUAL 5V REGULATOR WITH RESET The **STM L4901A** is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Input Voltage Range:** Up to **28V**  
- **Output Voltage Options:** **5V** (fixed)  
- **Output Current:** **150mA** (max)  
- **Dropout Voltage:** **0.4V** (typical at 100mA)  
- **Line Regulation:** **0.2mV** (typical)  
- **Load Regulation:** **5mV** (typical)  
- **Quiescent Current:** **1.6mA** (typical)  
- **Operating Temperature Range:** **-40°C to +125°C**  
- **Package:** **TO-92** (3-pin)  

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

### **Features:**  
- **Low dropout voltage** (0.4V typical).  
- **Thermal protection** (shuts down if overheated).  
- **Short-circuit protected**.  
- **No external components required** for basic operation (except input/output capacitors).  
- **Low quiescent current** (1.6mA typical).  

For exact details, refer to the **official STMicroelectronics datasheet**.

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