MAX875BESA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, adjustable output voltage, low quiescent current
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 200mV at 500mA load current
• Quiescent Current: 50µA (typical)
• Load Regulation: ±0.05% (typical)
• Line Regulation: ±0.02% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX875BESA+T has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. FB (Feedback)
5. NC (No Connection)
6. NC (No Connection)
7. OUT (Output Voltage)
8. VCC (Supply Voltage)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Adjustable output voltage allows for flexibility in various applications.
• Low quiescent current minimizes power consumption during standby or idle mode.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Excellent load and line regulation provide stable output voltage under different conditions. - Small package size saves board space in compact designs. - Thermal shutdown protection enhances reliability.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Requires external components for proper operation, increasing overall system complexity.

Working Principles

The MAX875BESA+T is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to continuously adjust the internal pass transistor, compensating for changes in load and line conditions. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain the desired output voltage level.

Detailed Application Field Plans

The MAX875BESA+T finds applications in various fields, including:

1. Portable Electronics: Powering mobile devices such as smartphones, tablets, and portable media players.
2. Automotive: Regulating voltage for automotive infotainment systems, lighting modules, and sensors.
3. Industrial Control Systems: Providing stable power supply for control boards, motor drivers, and sensors.
4. Telecommunications: Ensuring reliable voltage regulation in networking equipment, routers, and modems.
5. Consumer Electronics: Powering audio/video equipment, gaming consoles, and home automation devices.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range and high output current capability.
2. LT1086: Low dropout voltage regulator with adjustable output voltage and excellent line/load regulation.
3. TPS7A4700: Ultra-low noise, low dropout voltage regulator suitable for sensitive analog circuitry.
4. ADP3339: High-accuracy, low dropout voltage regulator with integrated thermal shutdown protection.

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

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