MAX871EUK+TG002

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOT-23-5
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 120mV at 150mA load current
• Maximum Output Current: 150mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 40µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX871EUK+TG002 IC has a total of five pins arranged as follows:

1. GND: Ground pin
2. FB: Feedback pin for adjusting the output voltage
3. EN: Enable pin for turning the regulator on/off
4. VIN: Input voltage pin
5. VOUT: Output voltage pin

Functional Features

• Adjustable output voltage through feedback pin
• Low dropout voltage allows operation with low input voltages
• Excellent line and load regulation ensures stable output voltage
• Low quiescent current for power-saving applications
• Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - High efficiency - Small package size - Wide input voltage range - Adjustable output voltage

Disadvantages: - Limited maximum output current (150mA) - Requires external components for stability

Working Principles

The MAX871EUK+TG002 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 a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) allows the regulator to be turned on or off as needed.

Detailed Application Field Plans

The MAX871EUK+TG002 is commonly used in various applications that require a regulated voltage supply. Some of the typical application fields include:

1. Battery-powered devices: Portable electronics, handheld instruments
2. IoT devices: Sensors, wireless modules
3. Automotive electronics: Infotainment systems, lighting controls
4. Industrial equipment: Control systems, motor drives
5. Consumer electronics: Audio/video devices, gaming consoles

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable linear voltage regulator, TO-220 package
2. LT1763-ADJ: Low dropout voltage regulator, SOT-223 package
3. TPS7A4700: Ultra-low noise linear regulator, VSON package
4. MCP1700T-3302E/TT: Low quiescent current regulator, SOT-23 package
5. LDO10C-005W05-VJ: High current linear regulator, DFN package

These alternative models offer similar functionality and can be considered as substitutes for the MAX871EUK+TG002 in various applications.

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