MIC4744YTSE

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: TO-220, TO-263, TO-252
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 300mV at 1A
• Maximum Output Current: 3A
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC4744YTSE has a standard three-pin configuration: 1. Pin 1 (VIN): Input voltage pin 2. Pin 2 (GND): Ground pin 3. Pin 3 (VOUT): Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High current capability allows for powering various loads.
• Adjustable output voltage provides flexibility in different applications.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with different power sources. - High output current capability suits demanding applications. - Adjustable output voltage accommodates various circuit requirements. - Low dropout voltage reduces power dissipation and improves efficiency. - Excellent line and load regulation ensures stable output voltage.

Disadvantages: - Requires external components for proper operation. - May generate heat due to power dissipation at high currents. - Limited output voltage range compared to switching regulators.

Working Principles

The MIC4744YTSE is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass element, allowing for efficient power conversion.

Detailed Application Field Plans

The MIC4744YTSE is suitable for a wide range of applications, including but not limited to: 1. Power supplies for microcontrollers and digital circuits. 2. Battery-powered devices requiring regulated voltage. 3. Automotive electronics, such as infotainment systems and lighting controls. 4. Industrial control systems and automation equipment. 5. Communication devices, such as routers and modems. 6. Audio amplifiers and other audio equipment.

Detailed and Complete Alternative Models

1. LM317: Adjustable Linear Voltage Regulator, 1.2V to 37V output range, up to 1.5A output current.
2. LT1084: Adjustable Linear Voltage Regulator, 1.25V to 32V output range, up to 5A output current.
3. LDO50V: Low Dropout Voltage Regulator, fixed 5V output, up to 500mA output current.
4. MAX603: Micropower Voltage Reference, adjustable output, ultra-low quiescent current.
5. TPS7A47: Ultra-Low Noise Linear Regulator, fixed or adjustable output, high PSRR.

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