IC Phoenix logo

Home ›  L  › L2 > L4957AV1.8

L4957AV1.8 from ST,ST Microelectronics

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

L4957AV1.8

Manufacturer: ST

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR

Partnumber Manufacturer Quantity Availability
L4957AV1.8,L4957AV18 ST 37 In Stock

Description and Introduction

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR The part **L4957AV1.8** is a **low-dropout (LDO) voltage regulator** manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** Fixed **1.8V**  
- **Output Current:** Up to **150 mA**  
- **Dropout Voltage:** Typically **200 mV at 100 mA load**  
- **Input Voltage Range:** **2.5V to 16V**  
- **Quiescent Current:** Typically **50 µA**  
- **Line Regulation:** **0.2% (Typical)**  
- **Load Regulation:** **0.4% (Typical)**  
- **Operating Temperature Range:** **-40°C to +125°C**  
- **Package:** **TO-92, SOT-89**  

### **Descriptions:**  
- The **L4957AV1.8** is a **low-dropout linear regulator** designed for stable voltage supply in low-power applications.  
- It features **low quiescent current**, making it suitable for battery-powered devices.  
- Includes **internal current limiting** and **thermal shutdown protection** for enhanced reliability.  

### **Features:**  
- **Fixed 1.8V output** with high accuracy (±2%).  
- **Low dropout voltage**, enabling operation with small input-output differentials.  
- **Low standby current consumption**, ideal for power-sensitive applications.  
- **Built-in thermal protection** to prevent overheating.  
- **Short-circuit and reverse polarity protection** for robustness.  
- **Stable with low-ESR ceramic capacitors**, reducing external component count.  

This information is based on STMicroelectronics' official documentation for the **L4957AV1.8** LDO regulator.

Application Scenarios & Design Considerations

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips