MIC49150-1.2BMM

Low dropout voltage regulators for stable 1.2V power supply

Manufacturer: ['microchip', 'micrel']

series introduction

# Introduction to the MIC49150 - 1.2BMM Product Series

## 1. Overview
The MIC49150 - 1.2BMM is a highly specialized and reliable product series within the realm of power management integrated circuits (PMICs). Designed to meet the demanding requirements of modern electronic devices, this series offers a comprehensive solution for voltage regulation and power delivery.

## 2. Key Features

### 2.1 Output Voltage
The "1.2" in the product name indicates that the MIC49150 - 1.2BMM is configured to provide a fixed output voltage of 1.2V. This precise output voltage is crucial for powering sensitive components such as microprocessors, digital signal processors (DSPs), and other integrated circuits that require a stable and accurate power supply.

### 2.2 Low Dropout Voltage
One of the standout features of this product series is its low dropout voltage. Dropout voltage is the minimum difference between the input voltage and the output voltage required for the regulator to maintain a stable output. The MIC49150 - 1.2BMM has a very low dropout voltage, which means it 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 for longer battery life by minimizing power dissipation.

### 2.3 High Output Current Capability
The series is capable of delivering a relatively high output current. This makes it suitable for powering multiple components simultaneously or high - power - consuming devices. The high - current capability ensures that the regulator can handle the load requirements of various applications without experiencing significant voltage drops or overheating.

### 2.4 Thermal Protection
To safeguard the device from overheating, the MIC49150 - 1.2BMM 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 device itself but also the connected components from potential damage due to excessive heat.

### 2.5 Short - Circuit Protection
Another important safety feature is short - circuit protection. In the event of a short - circuit at the output, the regulator automatically limits the current to a safe level. This prevents excessive current flow, which could otherwise damage the regulator and other components in the circuit.

## 3. Applications

### 3.1 Mobile Devices
In smartphones, tablets, and other portable electronic devices, the MIC49150 - 1.2BMM can be used to power the central processing unit (CPU), graphics processing unit (GPU), and other critical components. Its low dropout voltage and high - current capability make it an ideal choice for these battery - powered devices, as it helps to extend battery life and ensure stable performance.

### 3.2 Industrial Equipment
Industrial control systems, sensors, and data acquisition devices often require a stable and reliable power supply. The MIC49150 - 1.2BMM can be integrated into these systems to provide the necessary voltage regulation. Its thermal and short - circuit protection features make it suitable for use in harsh industrial environments where there may be fluctuations in power supply and potential for electrical faults.

### 3.3 Automotive Electronics
In automotive applications, such as infotainment systems, engine control units (ECUs), and advanced driver - assistance systems (ADAS), the MIC49150 - 1.2BMM can be used to power various electronic components. The automotive environment is subject to wide temperature variations, electrical noise, and voltage fluctuations. The product's robustness and protection features make it well - suited for these challenging conditions.

## 4. Package and Pinout
The MIC

Images for reference

8-MSOP

8-MSOP

8-TSSOP 8-MSOP

8-TSSOP 8-MSOP

Datasheets

Partlist

MIC49150-1.2BMM
MIC49150-1.2BMM TR
MIC49150-1.2BMM-TR