MAX6461UR43+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, low quiescent current, high accuracy
• Package: SOT-23
• Essence: Regulates voltage to a specific level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 4.3V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 20µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.05%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6461UR43+T has the following pin configuration:

• Pin 1: GND (Ground)
• Pin 2: VOUT (Output Voltage)
• Pin 3: VIN (Input Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption in standby mode.
• High accuracy provides precise voltage regulation.
• Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Small package size enables space-saving designs. - Excellent load and line regulation ensure stable output voltage.

Disadvantages: - Limited output current capability. - Higher cost compared to non-regulated voltage sources.

Working Principles

The MAX6461UR43+T is a linear voltage regulator that maintains a constant output voltage regardless of variations in the input voltage or load conditions. It utilizes a pass transistor to regulate the voltage by adjusting its resistance based on feedback from a voltage reference circuit. The regulator operates in a continuous mode, continuously adjusting the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

The MAX6461UR43+T is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive applications: Ensures reliable power delivery to automotive sensors, control modules, and infotainment systems.
3. Industrial equipment: Used in industrial automation, robotics, and control systems to regulate voltage for sensors, actuators, and communication modules.
4. Medical devices: Provides precise voltage regulation for medical instruments and implants, ensuring accurate and safe operation.
5. IoT (Internet of Things) devices: Enables efficient power management in smart home devices, environmental sensors, and wireless communication modules.

Detailed and Complete Alternative Models

1. LM1117-4.3: A popular alternative with similar specifications and package type.
2. LT1763-4.3: Offers lower dropout voltage and higher accuracy but comes in a different package.
3. MCP1703-4.3: Provides a lower quiescent current and wider input voltage range.

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

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