REG102GA-3

Low dropout voltage regulators for stable 3V/3.3V power supply

Manufacturer: ['analog-devices', 'rochester', 'ti']

series introduction

# Introduction to the REG102GA - 3 Product Series

## 1. Overview
The REG102GA - 3 product series is a cutting - edge line of voltage regulators designed to meet the diverse and demanding power management needs of modern electronic devices. These regulators are engineered with precision and incorporate advanced semiconductor technology to provide stable, efficient, and reliable voltage regulation in a wide range of applications.

## 2. Key Features

### 2.1 High - Precision Voltage Regulation
The REG102GA - 3 series offers exceptional voltage regulation accuracy. It can maintain a stable output voltage within a very narrow tolerance band, even in the face of significant input voltage variations and load changes. This high precision is crucial for sensitive electronic components that require a consistent power supply to operate optimally. For example, in microcontroller - based systems, a stable voltage is essential for accurate data processing and reliable communication.

### 2.2 Low Dropout Voltage
One of the standout features of this product series is its low dropout voltage. Dropout voltage refers to the minimum difference between the input voltage and the output voltage required for the regulator to maintain proper operation. The REG102GA - 3 has a low dropout characteristic, which means it can operate efficiently even when the input voltage is only slightly higher than the desired output voltage. This is particularly beneficial in battery - powered applications, as it allows for longer battery life by maximizing the usable voltage range of the battery.

### 2.3 Low Quiescent Current
Quiescent current is the current consumed by the regulator when there is no load or a very light load. The REG102GA - 3 series has a low quiescent current, which helps to minimize power consumption in standby or low - power modes. This feature is highly desirable in portable devices such as smartphones, tablets, and wearable devices, where power efficiency is a top priority to extend battery runtime.

### 2.4 Thermal Protection
To ensure the reliability and longevity of the regulators, the REG102GA - 3 series is equipped with built - in thermal protection. In case of excessive heat generation due to high load currents or high ambient temperatures, the thermal protection circuit will automatically reduce the output current or shut down the regulator to prevent damage. This self - protection mechanism safeguards the device and the surrounding components from overheating.

### 2.5 Short - Circuit Protection
Another important safety feature is short - circuit protection. If the output of the regulator is accidentally short - circuited to ground or another low - impedance path, the REG102GA - 3 will detect the abnormal current flow and limit the output current to a safe level. This protects the regulator and the power source from damage caused by excessive current.

## 3. Technical Specifications

### 3.1 Input Voltage Range
The REG102GA - 3 series typically supports a wide input voltage range, which can vary depending on the specific model. For example, some models may have an input voltage range from 2.5V to 16V, allowing them to be used with a variety of power sources, including batteries, DC power supplies, and USB ports.

### 3.2 Output Voltage Options
These regulators offer multiple fixed output voltage options, such as 1.8V, 2.5V, 3.3V, etc. This flexibility enables designers to select the appropriate output voltage for their specific application requirements. Additionally, some models may also support adjustable output voltages, providing even more customization possibilities.

### 3.3 Output Current Capacity
The output current capacity of the REG102GA - 3 series is designed to meet the power demands of different applications. It can typically provide output currents ranging from several hundred milliamperes to over an ampere, depending on the model. This makes it suitable

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SOT-223-6 Pkg

SOT-223-6 Pkg

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Datasheets

Partlist

REG102GA-3
REG102GA-3/2K5
REG102GA-3/2K5G4
REG102GA-3.3
REG102GA-3.3/2K5
REG102GA-3.3/2K5G4
REG102GA-3.3G4
REG102GA-3G4