MAX1818EUT25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23-6
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: Adjustable from 1.2V to VIN - 0.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1818EUT25+T has a total of six pins arranged as follows:

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| | --| VOUT | --| GND | --| FB | --| EN | --| VIN | |___________| ```

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle states.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages

• Compact SOT-23-6 package enables space-saving designs.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power dissipation and extends battery life.
• Low quiescent current reduces standby power consumption.
• Excellent line and load regulation ensures stable output voltage.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• SOT-23-6 package may require additional thermal management in high-power designs.

Working Principles

The MAX1818EUT25+T is a linear regulator that operates by maintaining a constant voltage difference between the input and output terminals. It utilizes a pass transistor to regulate the output voltage based on the feedback received from the FB pin. The EN pin controls the device's enable/disable state, allowing for power-saving operation when not required.

Detailed Application Field Plans

The MAX1818EUT25+T is commonly used in various battery-powered applications, such as portable electronic devices, wireless communication systems, and handheld instruments. Its low dropout voltage and low quiescent current make it ideal for energy-efficient designs where battery life is crucial. The adjustable output voltage feature enables compatibility with different components and subsystems within these applications.

Detailed and Complete Alternative Models

• MAX1818EUT18+T: Output voltage fixed at 1.8V
• MAX1818EUT33+T: Output voltage fixed at 3.3V
• MAX1818EUT50+T: Output voltage fixed at 5.0V
• MAX1818ESA+: SOIC-8 package variant
• MAX1818EUB+: µMAX-10 package variant

(Note: This list is not exhaustive and other alternative models may exist.)

In conclusion, the MAX1818EUT25+T is a versatile linear regulator offering low dropout voltage, low quiescent current, and adjustable output voltage. Its compact package and excellent regulation characteristics make it suitable for a wide range of battery-powered applications. However, its limited maximum output current may restrict its use in high-power scenarios.