MIC2549A-1BM

Product Overview

Category

The MIC2549A-1BM belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for power management applications.

Characteristics

• The MIC2549A-1BM is a high-performance, low-dropout voltage regulator.
• It offers excellent line and load regulation.
• This IC operates over a wide input voltage range.
• It provides a fixed output voltage with low quiescent current.

Package

The MIC2549A-1BM is available in a small outline package (SOP) with 8 pins.

Essence

The essence of the MIC2549A-1BM lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: Fixed at 3.3V
• Quiescent Current: 120µA (typical)
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 150mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2549A-1BM features 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
6. NC: No connection pin
7. NC: No connection pin
8. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provide stable output voltage.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the IC and connected components.

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• High-performance characteristics ensure reliable operation.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• Fixed output voltage may not be suitable for all voltage requirements.

Working Principles

The MIC2549A-1BM operates as a low-dropout voltage regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals. This is achieved through the use of internal circuitry that adjusts the current flow based on load conditions.

Detailed Application Field Plans

The MIC2549A-1BM finds applications in various fields, including but not limited to:

1. Battery-powered devices
2. Portable electronics
3. Automotive systems
4. Industrial equipment
5. Communication devices

Detailed and Complete Alternative Models

1. MIC5205-3.3YM5: Low dropout voltage regulator with adjustable output voltage.
2. LT1763CS8-3.3: Ultra-low dropout linear regulator with high output current capability.
3. TPS79633DCQR: High-performance, low-dropout voltage regulator with integrated power-on reset.

These alternative models offer similar functionality and can be considered as substitutes for the MIC2549A-1BM in specific applications.

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