MAX6381XR30D3-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Precision, Adjustable Output
• Package: SOT23-3
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 300mV at 100mA load current
• Output Current: 100mA
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.05% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6381XR30D3-T has three pins:

1. VIN - Input voltage pin
2. GND - Ground pin
3. VOUT - Output voltage pin

Functional Features

• Low dropout voltage allows operation with small input-output differentials
• Adjustable output voltage provides flexibility in various applications
• Excellent line and load regulation ensures stable output voltage under varying conditions
• Low quiescent current minimizes power consumption
• Thermal shutdown and current limit protection for enhanced reliability

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources
• Adjustable output voltage suits a wide range of applications
• Low dropout voltage allows efficient power conversion
• Excellent line and load regulation ensures stable performance
• Small package size (SOT23-3) offers space-saving benefits

Disadvantages

• Limited output current (100mA) may not be suitable for high-power applications
• SOT23-3 package may require additional heat dissipation measures in certain cases

Working Principles

The MAX6381XR30D3-T is a linear voltage regulator that operates by maintaining a constant output voltage despite variations in input voltage and load conditions. It achieves this through the use of a pass transistor that adjusts its resistance to regulate the output voltage. The dropout voltage is minimized, allowing efficient operation even with small input-output differentials.

Detailed Application Field Plans

The MAX6381XR30D3-T finds applications in various fields, including but not limited to:

1. Battery-powered devices: Provides stable voltage regulation for portable electronics, such as smartphones, tablets, and wearables.
2. Industrial equipment: Ensures reliable power supply for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication systems: Maintains stable voltage levels for routers, switches, and network equipment.
5. Medical devices: Offers precise voltage regulation for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. MAX6381XR30D3-T: 1.25V to 15V adjustable output voltage, 100mA output current
2. MAX6381XR31D3-T: 1.25V to 15V adjustable output voltage, 150mA output current
3. MAX6381XR32D3-T: 1.25V to 15V adjustable output voltage, 200mA output current
4. MAX6381XR33D3-T: 1.25V to 15V adjustable output voltage, 250mA output current
5. MAX6381XR34D3-T: 1.25V to 15V adjustable output voltage, 300mA output current

These alternative models offer similar functionality with varying output currents to suit different application requirements.

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