SPX3819M5-L-3-3/TR

Low-noise LDO voltage regulators with 3.3V output in compact SOT-23 packages

Manufacturer: ['maxlinear', 'exar']

series introduction

# Introduction to the SPX3819M5 - L - 3 - 3/TR Product Series

## 1. Overview
The SPX3819M5 - L - 3 - 3/TR product series represents a cutting - edge solution in the field of electronic components. Engineered with precision and innovation, these components are designed to meet the diverse and demanding requirements of modern electronic systems. Whether it's for consumer electronics, industrial automation, or automotive applications, this product series offers reliable performance and advanced functionality.

## 2. Key Features

### 2.1 High - Precision Voltage Regulation
One of the standout features of the SPX3819M5 - L - 3 - 3/TR series is its high - precision voltage regulation capabilities. It can maintain a stable output voltage even in the face of varying input voltages and load conditions. This is crucial for ensuring the proper operation of sensitive electronic circuits, as fluctuations in voltage can lead to malfunctions, reduced performance, or even permanent damage to components. The series is capable of providing a regulated output voltage with a very low tolerance, typically within a few percentage points of the specified value.

### 2.2 Low Dropout Voltage
The low dropout voltage characteristic of this product series is another significant advantage. Dropout voltage refers to the minimum difference between the input voltage and the output voltage required for the regulator to maintain a stable output. A low dropout voltage means that the regulator can operate efficiently even when the input voltage is only slightly higher than the desired output voltage. This is particularly useful in battery - powered applications, where it helps to extend the battery life by reducing power dissipation and allowing the battery to be used until its voltage drops to a lower level.

### 2.3 Low Quiescent Current
The SPX3819M5 - L - 3 - 3/TR series consumes a very low quiescent current. Quiescent current is the current drawn by the regulator when there is no load connected or when the load current is very small. A low quiescent current is essential for power - sensitive applications, as it minimizes the power consumption of the regulator itself, thereby improving the overall energy efficiency of the system. This makes the series an ideal choice for battery - operated devices such as portable electronics, wearables, and wireless sensors.

### 2.4 Thermal Protection
To ensure the reliability and longevity of the components, the SPX3819M5 - L - 3 - 3/TR series is equipped with thermal protection. When the temperature of the regulator exceeds a certain threshold, the thermal protection mechanism kicks in and reduces the output current or shuts down the regulator temporarily. This prevents the device from overheating, which can cause performance degradation, component failure, or even pose a safety hazard. The thermal protection feature helps to safeguard the system and ensures stable operation under various environmental conditions.

### 2.5 Short - Circuit Protection
Short - circuit protection is another important safety feature of this product series. In the event of a short - circuit in the output circuit, the regulator automatically limits the output current to a safe level. This protects the regulator and other components in the system from damage due to excessive current flow. The short - circuit protection mechanism is designed to be fast - acting, ensuring that the system is protected in a timely manner and minimizing the risk of component failure.

## 3. Technical Specifications

### 3.1 Input Voltage Range
The SPX3819M5 - L - 3 - 3/TR series typically has a wide input voltage range, which allows it to be used in a variety of power supply configurations. The specific input voltage range may vary depending on the model, but it generally spans from a few volts to a relatively high voltage, enabling compatibility with different power sources such as batteries, AC - DC adapters, and power

Images for reference

SOT23-5

SOT23-5

Image Preview

Image Preview

Image Preview

Image Preview

related Documents

Datasheets

Partlist

SPX3819M5-L-3-3/TR