MAX6381XR25D3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Precision, Adjustable Output
• Package: SOT23-3
• Essence: Regulates input voltage to a precise and stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 120mV at 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 MAX6381XR25D3+T has three pins:

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

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Precision output voltage can be adjusted within a wide range, providing flexibility in various applications.
• Excellent line and load regulation ensures a stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage provides versatility for different circuit requirements.
• Small package size (SOT23-3) allows for space-saving integration into compact designs.
• Low dropout voltage ensures efficient power conversion and reduced heat dissipation.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT23-3 package may require additional thermal management for dissipating heat.

Working Principles

The MAX6381XR25D3+T is a voltage regulator that utilizes a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output. The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

• Battery-powered devices: The low quiescent current and adjustable output voltage make it suitable for portable electronics such as smartphones, tablets, and wearables.
• Automotive applications: The wide input voltage range and temperature tolerance allow for use in automotive systems, including infotainment systems and lighting controls.
• Industrial equipment: The precise output voltage regulation and small package size make it ideal for industrial control systems, sensors, and instrumentation.

Detailed and Complete Alternative Models

• LM1117-3.3: Fixed 3.3V output voltage, SOT223 package
• LT1763-5: Adjustable output voltage, low dropout, TO-220 package
• TPS7A4700: Ultra-low noise, adjustable output voltage, DFN package

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