MAX8860EUA25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: 8-pin µMAX®
• Essence: Regulates voltage with low power consumption
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.5V
• Maximum Output Current: 1A
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. FB: Feedback pin for setting the output voltage
5. NC: No Connection
6. OUT: Regulated output voltage
7. NC: No Connection
8. VCC: Supply voltage for internal circuitry

Functional Features

• Low dropout voltage enables efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle states.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and connected components from overcurrent conditions.
• Reverse battery protection guards against accidental reverse polarity connections.

Advantages

• Compact package size allows for space-saving integration into various applications.
• Wide input voltage range provides flexibility in power supply options.
• Stable and accurate output voltage ensures reliable performance of downstream components.
• Low dropout voltage minimizes power dissipation and extends battery life.
• Excellent line and load regulation characteristics maintain a steady output voltage under varying conditions.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Fixed output voltage restricts flexibility in voltage selection.
• Lack of adjustable features may limit customization options.

Working Principles

The MAX8860EUA25+T is a low dropout linear voltage regulator that regulates the input voltage to a fixed 2.5V output voltage. It utilizes a PNP pass transistor to achieve low dropout voltage and low quiescent current. The feedback pin (FB) is used to set the desired output voltage, which is then regulated by the internal circuitry. The enable pin (EN) allows for on/off control of the regulator.

Detailed Application Field Plans

The MAX8860EUA25+T is commonly used in various battery-powered devices, such as portable electronics, handheld instruments, and wireless communication devices. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency is crucial. The stable output voltage ensures reliable operation of sensitive components, making it ideal for powering microcontrollers, sensors, and other integrated circuits.

Detailed and Complete Alternative Models

1. MAX8860EUA33+T: Regulates to a fixed 3.3V output voltage
2. MAX8860EUA50+T: Regulates to a fixed 5.0V output voltage
3. MAX8860EUA12+T: Regulates to a fixed 1.2V output voltage
4. MAX8860EUA18+T: Regulates to a fixed 1.8V output voltage

These alternative models offer different fixed output voltages to cater to specific application requirements.

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