MIC9131BQS

Product Overview

Category

MIC9131BQS belongs to the category of integrated circuits (ICs).

Use

The MIC9131BQS is commonly used as a voltage regulator in electronic devices.

Characteristics

• The MIC9131BQS is a low-dropout (LDO) linear voltage regulator.
• It provides a stable output voltage with low noise and high accuracy.
• The regulator has a wide input voltage range, making it suitable for various applications.
• It offers excellent load and line regulation, ensuring consistent performance under different conditions.

Package

MIC9131BQS is available in a small outline package (SOP) with a compact footprint.

Essence

The essence of MIC9131BQS lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

The regulator is typically sold in reels or tubes, with each containing a specific quantity of units. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 300mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC9131BQS has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent load and line regulation for stable output voltage.
• Thermal shutdown protection prevents overheating.
• Short-circuit current limit protects the regulator and connected devices.
• Enable pin allows for easy on/off control.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables versatile applications.
• Low quiescent current minimizes power consumption.
• Small package size saves board space.
• High accuracy and low noise output ensure reliable performance.

Disadvantages

• Maximum output current may be insufficient for high-power applications.
• Limited output voltage range may not meet certain requirements.

Working Principles

The MIC9131BQS operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC9131BQS is widely used in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

• MIC9130BQS
• MIC9132BQS
• MIC9133BQS
• MIC9134BQS

These alternative models offer similar functionality and characteristics to the MIC9131BQS. Please refer to the respective datasheets for detailed specifications and pin configurations.

In conclusion, the MIC9131BQS is a versatile and efficient voltage regulator that finds application in a wide range of electronic devices. Its low dropout voltage, excellent load and line regulation, and compact package make it a popular choice among designers. However, its limitations in terms of maximum output current and output voltage range should be considered when selecting the appropriate model for specific applications.