MAX8875EUK25+T

Product Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low-dropout linear regulator, low quiescent current, high output accuracy
• Package: SOT23-5
• Essence: Provides a regulated output voltage from an unregulated input voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.5V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.05%/V
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8875EUK25+T features a SOT23-5 package with the following pin configuration:

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Pin Description: 1. IN: Input voltage pin 2. GND: Ground pin 3. FB: Feedback pin 4. BYP: Bypass capacitor pin 5. OUT: Output voltage pin

Functional Features

• Low dropout voltage allows for efficient power conversion
• Low quiescent current minimizes power consumption
• High output accuracy ensures stable voltage regulation
• Thermal shutdown protection prevents overheating
• Short-circuit current limit protects the device from excessive current

Advantages and Disadvantages

Advantages: - Low dropout voltage enables operation with low input voltages - Low quiescent current extends battery life in portable applications - Small package size saves board space - Excellent line and load regulation for precise voltage control

Disadvantages: - Limited output voltage options (only 2.5V in this model) - SOT23-5 package may require additional care during soldering

Working Principles

The MAX8875EUK25+T is a low-dropout linear regulator that provides a regulated output voltage from an unregulated input voltage. It operates by comparing the feedback voltage with a reference voltage and adjusting the pass transistor to maintain a stable output voltage. The dropout voltage is minimized, allowing for efficient power conversion even with low input voltages. The device also features thermal shutdown protection and short-circuit current limit to ensure safe operation.

Detailed Application Field Plans

The MAX8875EUK25+T is commonly used in various applications where a stable and regulated voltage supply is required. Some of the typical application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and small package size of the MAX8875EUK25+T.
2. Industrial equipment: The regulator can be used in industrial control systems, sensors, and instrumentation devices that require precise voltage regulation.
3. Automotive electronics: The device finds applications in automotive modules, infotainment systems, and lighting controls due to its wide operating temperature range and robust performance.
4. IoT devices: Internet of Things (IoT) devices often operate on low input voltages and have strict power consumption requirements, making the MAX8875EUK25+T an ideal choice.

Detailed and Complete Alternative Models

1. MAX8887EUK25+: Similar to MAX8875EUK25+T, but with a different package (SOT23-6).
2. MAX8860EUA33+: Low-dropout linear regulator with a fixed output voltage of 3.3V and a different package (MSOP-8).
3. LT1763CS8-2.5: Another low-dropout linear regulator with a fixed output voltage of 2.5V and a different package (SO-8).

These alternative models offer similar functionality and can be considered as substitutes for the MAX8875EUK25+T in various applications.

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