MAX1818EUT50+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, low quiescent current, adjustable output voltage
• Package: SOT-23-6
• Essence: Linear regulator with high accuracy and low dropout voltage
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 120mV at 100mA load current
• Quiescent Current: 40µA (typical)
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1818EUT50+T has a total of six pins arranged as follows:

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

• VOUT: Output Voltage Pin
• GND: Ground Pin
• FB: Feedback Pin
• EN: Enable Pin
• VIN: Input Voltage Pin

Functional Features

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

Advantages

• High accuracy and low dropout voltage make it suitable for battery-powered devices.
• Adjustable output voltage allows for compatibility with a wide range of components.
• Low quiescent current prolongs battery life in portable applications.
• Small package size enables space-saving designs.
• Excellent line and load regulation ensures stable performance.

Disadvantages

• Limited input voltage range may restrict its use in certain applications.
• SOT-23-6 package may require additional thermal management measures in high-power applications.

Working Principles

The MAX1818EUT50+T is a linear voltage regulator that operates by maintaining a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this through a feedback mechanism that continuously adjusts the internal pass transistor to regulate the output voltage. The device utilizes a low dropout architecture, which allows it to maintain regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MAX1818EUT50+T finds application in various fields, including but not limited to:

1. Portable electronic devices: Provides regulated power supply for smartphones, tablets, and portable media players.
2. Battery-powered systems: Suitable for use in IoT devices, wearables, and wireless sensors.
3. Automotive electronics: Enables stable voltage supply for infotainment systems, lighting modules, and control units.
4. Industrial equipment: Used in instrumentation, control systems, and motor drives.
5. Communication systems: Provides regulated power for routers, switches, and network equipment.

Detailed and Complete Alternative Models

1. MAX1818EUT25+T: Similar specifications but with a fixed 2.5V output voltage.
2. MAX1818EUT33+T: Similar specifications but with a fixed 3.3V output voltage.
3. MAX1818EUTADJ+T: Similar specifications but with an adjustable output voltage range from 1.2V to 5.5V.

These alternative models offer similar functionality and characteristics, allowing designers to choose the most suitable option for their specific requirements.

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