MIC49200WR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance, low-dropout voltage regulator
• Package: TO-263-5 (D2PAK-5)
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 3A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC49200WR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin

Functional Features

• High accuracy output voltage regulation
• Low dropout voltage for efficient power conversion
• Fast transient response for sudden load changes
• Overcurrent and thermal protection
• Enable pin for easy on/off control

Advantages

• Wide input voltage range allows for versatile applications
• High output current capability for powering various loads
• Low dropout voltage minimizes power dissipation
• Excellent line and load regulation for stable output voltage
• Robust protection features ensure safe operation

Disadvantages

• Relatively large package size may limit use in space-constrained designs
• Requires external components for proper operation

Working Principles

The MIC49200WR is a linear voltage regulator that uses a pass transistor to regulate the input voltage to a stable output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, and adjusts the pass transistor accordingly to maintain the desired output voltage. The enable pin (EN) allows for easy on/off control of the regulator.

Detailed Application Field Plans

The MIC49200WR is commonly used in various applications that require a stable and regulated power supply. Some typical application fields include:

1. Consumer Electronics: Powering audio/video equipment, set-top boxes, and gaming consoles.
2. Industrial Automation: Providing reliable power to control systems, sensors, and actuators.
3. Automotive Electronics: Regulating voltage for infotainment systems, lighting, and motor control.
4. Telecommunications: Powering network equipment, routers, and base stations.
5. Computer Systems: Supplying power to motherboards, graphics cards, and storage devices.

Detailed and Complete Alternative Models

• MIC49150WR: 1.5A low-dropout voltage regulator
• MIC49300WR: 3A low-dropout voltage regulator with adjustable output voltage
• MIC49400WR: 4A low-dropout voltage regulator with thermal shutdown protection

These alternative models offer similar functionality but with different output current capabilities to suit specific application requirements.

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