MIC4811YMM

Product Overview

Category

MIC4811YMM belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in electronic devices.

Characteristics

• Low dropout voltage
• High output current capability
• Adjustable output voltage
• Thermal shutdown protection

Package

MIC4811YMM is available in a miniature 8-pin MSOP package.

Essence

The essence of MIC4811YMM lies in its ability to regulate and stabilize voltage levels in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC4811YMM features the following pin configuration:

1. EN (Enable): Enable control pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for adjusting the output voltage.
4. VOUT (Output Voltage): Regulated output voltage.
5. VOUT (Output Voltage): Regulated output voltage.
6. BYP (Bypass): Bypass capacitor connection for improved stability.
7. VIN (Input Voltage): Input voltage supply.
8. VIN (Input Voltage): Input voltage supply.

Functional Features

• Low dropout voltage ensures efficient regulation even when input voltage is close to the desired output voltage.
• High output current capability allows for powering various components within an electronic circuit.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.
• Thermal shutdown protection prevents the IC from overheating and potential damage.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Thermal shutdown protection enhances reliability.

Disadvantages

• Limited input voltage range (2.7V to 5.5V).
• Quiescent current may be relatively high compared to other voltage regulators.

Working Principles

MIC4811YMM operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB pin) with a reference voltage. The error amplifier adjusts the pass transistor to maintain the desired output voltage, compensating for any changes in load or input voltage.

Detailed Application Field Plans

MIC4811YMM finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC4811YMM include: - LM1117-ADJ - LT1086-ADJ - MAX603-ADJ - LP2985-ADJ

These models can be considered based on specific requirements and compatibility with the target application.

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