MAX6464UK31+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, SOT23-5 Package
• Package: SOT23-5
• Essence: The MAX6464UK31+T is a voltage regulator IC designed to provide a stable output voltage with low dropout for various electronic applications.
• Packaging/Quantity: Available in tape and reel packaging, with 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 load current
• Output Current: Up to 150mA
• Quiescent Current: 50µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6464UK31+T has a SOT23-5 package with the following pin configuration:

1. GND (Ground)
2. FB (Feedback)
3. EN (Enable)
4. NC (No Connection)
5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output differentials.
• Adjustable output voltage allows flexibility in meeting specific application requirements.
• Enable pin provides control over the regulator's operation, allowing for power-saving modes.
• Excellent line and load regulation ensure a stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - Adjustable output voltage provides flexibility. - Small package size (SOT23-5) allows for space-saving designs. - Excellent line and load regulation ensure stable performance.

Disadvantages: - Limited output current capability (up to 150mA). - Noisy output voltage under certain load conditions. - Relatively high quiescent current compared to some alternatives.

Working Principles

The MAX6464UK31+T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with an internal reference voltage. The regulator adjusts the pass transistor's resistance to maintain a stable output voltage, compensating for input voltage variations and load changes.

Detailed Application Field Plans

The MAX6464UK31+T is suitable for various applications requiring a stable and adjustable output voltage. Some potential application fields include:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearables.
2. Industrial control systems: Ensures stable power supply for sensors, actuators, and microcontrollers in automation and monitoring systems.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. IoT devices: Enables reliable power delivery for connected devices, smart home appliances, and wireless sensor networks.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package options.
2. XC6206P332MR: Low dropout voltage regulator with fixed 3.3V output and SOT23-5 package.
3. LT1763CS8-3.3: High-performance LDO regulator with low dropout voltage and fixed 3.3V output.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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