MIC2182-3.3BM

Product Overview

Category

MIC2182-3.3BM belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 3.3V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV (typical)
• Package Type: TO-263-5L
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

The MIC2182-3.3BM is available in a TO-263-5L package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV (typical), 500mV (maximum) at 1.5A
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.2% (typical)
• Quiescent Current: 120µA (typical)
• Ripple Rejection: 70dB (typical) at 1kHz
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The MIC2182-3.3BM has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| NC VCC |-- Pin 5: Input Voltage |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for stable output voltage.
• High ripple rejection minimizes noise interference.
• Enable pin for easy on/off control of the regulator.

Advantages

• Compact TO-263-5L package provides space-saving solution.
• Wide operating temperature range enables usage in various environments.
• Low quiescent current reduces power consumption.
• High output current capability supports demanding applications.
• Robust design ensures reliability and longevity.

Disadvantages

• Dropout voltage may limit efficiency in low voltage applications.
• Limited output voltage options restricts flexibility in certain designs.
• Non-adjustable output voltage may not suit all requirements.

Working Principles

The MIC2182-3.3BM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable (EN) pin allows the regulator to be turned on or off as needed.

Detailed Application Field Plans

The MIC2182-3.3BM is commonly used in various electronic devices and systems, including but not limited to:

1. Power supplies for microcontrollers and digital circuits.
2. Battery-powered devices requiring stable voltage levels.
3. Industrial automation and control systems.
4. Automotive electronics, such as infotainment systems.
5. Communication equipment, including routers and switches.
6. Consumer electronics, like audio/video devices and gaming consoles.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar specifications and pin configuration, available in different packages.
2. LT1086-3.3: Higher output current capability, adjustable output voltage.
3. TPS7A3301: Ultra-low dropout voltage, adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes for the MIC2182-3.3BM in specific applications.

In conclusion, the MIC2182-3.3BM is a voltage regulator with a wide input voltage range, stable output voltage, and high output current capability. It is commonly used in various electronic devices and offers advantages such as compact packaging and low quiescent current. However, it has limitations like fixed output voltage and dropout voltage. Understanding its specifications, pin configuration, working principles, and alternative models allows for informed decision-making when selecting a voltage regulator for a particular application.