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L4990A from STM,ST Microelectronics

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L4990A

Manufacturer: STM

PRIMARY CONTROLLER

Partnumber Manufacturer Quantity Availability
L4990A STM 100 In Stock

Description and Introduction

PRIMARY CONTROLLER The part **L4990A** is manufactured by **STMicroelectronics (STM)**.  

### **Specifications:**  
- **Input Voltage Range:** 3.3V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.2V to 5.0V  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** 300mV (typical at 1A)  
- **Quiescent Current:** 120µA (typical)  
- **Switching Frequency:** Up to 1MHz  
- **Efficiency:** Up to 95%  
- **Protection Features:** Overcurrent, Overtemperature, and Short-Circuit Protection  
- **Package:** SO-8  

### **Descriptions:**  
The **L4990A** is a **low-dropout (LDO) voltage regulator** designed for high-performance applications requiring stable and efficient power supply. It is suitable for battery-powered devices, portable electronics, and embedded systems.  

### **Features:**  
- Adjustable output voltage  
- Low dropout voltage  
- High efficiency  
- Low quiescent current  
- Built-in protection mechanisms  
- Stable with low-ESR ceramic capacitors  
- Thermal shutdown protection  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

PRIMARY CONTROLLER

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