MAX8571EUT+TG51

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOT-23-6
• Essence: Linear regulator with adjustable 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
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Line Regulation: ±0.05%/V
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8571EUT+TG51 has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection |___________| ```

Functional Features

• Adjustable output voltage through feedback resistor divider network
• Low dropout voltage enables efficient operation even with low input voltages
• Thermal shutdown protection prevents damage due to excessive temperature
• Short-circuit current limit protects the device during fault conditions
• Enable pin allows for easy on/off control of the regulator

Advantages and Disadvantages

Advantages: - High efficiency - Small package size - Adjustable output voltage

Disadvantages: - Limited maximum output current (150mA) - Dropout voltage may be relatively high for some applications

Working Principles

The MAX8571EUT+TG51 is a linear regulator that uses a feedback mechanism to maintain a stable output voltage. The input voltage is regulated down to the desired output voltage by adjusting the resistance in the feedback network. The device operates in dropout mode, meaning it can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage.

Detailed Application Field Plans

The MAX8571EUT+TG51 is commonly used in various battery-powered applications, such as portable electronic devices, IoT devices, and handheld instruments. It is suitable for applications where low power consumption and small form factor are critical.

Detailed and Complete Alternative Models

• MAX8570EUT+TG51: Similar specifications, but with fixed output voltage options
• MAX8572EUT+TG51: Higher maximum output current (300mA), but larger package size
• MAX8573EUT+TG51: Lower quiescent current (20µA), but limited input voltage range (2.5V to 5.5V)

These alternative models provide flexibility in selecting the most suitable voltage regulator based on specific application requirements.

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