MIC39100-1.8BS

series introduction

# MIC39100 - 1.8BS Product Series Introduction

## 1. Overview
The MIC39100 - 1.8BS is a highly specialized and reliable product series within the realm of power management integrated circuits (PMICs). Designed by a leading semiconductor manufacturer, this series is engineered to meet the demanding power requirements of a wide range of electronic devices, offering exceptional performance, efficiency, and stability.

## 2. Key Features

### 2.1 Output Voltage
The "1.8" in the MIC39100 - 1.8BS indicates that it provides a fixed output voltage of 1.8V. This precise output voltage is crucial for powering components such as microcontrollers, digital signal processors (DSPs), and other integrated circuits that require a stable 1.8V supply to operate optimally. The tight voltage regulation ensures that the connected devices receive a consistent power source, minimizing the risk of malfunctions due to voltage fluctuations.

### 2.2 Low Dropout Voltage
One of the standout features of the MIC39100 - 1.8BS 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 a stable output. With a low dropout voltage, this series can operate efficiently even when the input voltage is only slightly higher than the output voltage. This is particularly beneficial in battery - powered applications, as it allows the battery to be discharged to a lower level before the regulator can no longer maintain the desired output voltage, thereby extending the battery life.

### 2.3 High Output Current Capability
The MIC39100 - 1.8BS is capable of delivering a relatively high output current. This makes it suitable for powering multiple components simultaneously or components that have high power consumption requirements. Whether it's a complex circuit board with multiple integrated circuits or a high - performance device, the series can provide the necessary current to ensure smooth operation.

### 2.4 Thermal Protection
To prevent damage due to overheating, the MIC39100 - 1.8BS is equipped with thermal protection circuitry. When the temperature of the device exceeds a certain threshold, the thermal protection mechanism kicks in and reduces the output current or shuts down the regulator temporarily. This not only protects the regulator itself but also the connected components from potential damage caused by excessive heat.

### 2.5 Short - Circuit Protection
In the event of a short - circuit in the output circuit, the MIC39100 - 1.8BS has built - in short - circuit protection. It can detect the abnormal current flow and limit the output current to a safe level or completely shut off the output to prevent damage to the regulator and other components in the system.

## 3. Applications

### 3.1 Mobile Devices
In smartphones, tablets, and other portable mobile devices, the MIC39100 - 1.8BS can be used to power various subsystems such as the CPU, memory chips, and sensors. Its low dropout voltage and high efficiency help to conserve battery power, which is a critical factor in mobile applications. Additionally, its small form factor makes it suitable for the compact designs of modern mobile devices.

### 3.2 Industrial Control Systems
Industrial control systems often require stable and reliable power supplies for their microcontrollers, sensors, and communication modules. The MIC39100 - 1.8BS can provide the necessary 1.8V power with high precision and robustness. Its thermal and short - circuit protection features make it well - suited for the harsh industrial environment where electrical faults and temperature variations are common.

### 3.3 Consumer Electronics
In consumer electronics products such as digital cameras, portable media players, and smartwatches,

Images for reference

SOT-223-3

Datasheets

• MIC39100, MIC39101, MIC39102

Partlist