MAX1818EUT18#TG16

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, Fixed Output Voltage
• Package: SOT23-6
• Essence: The MAX1818EUT18#TG16 is a voltage regulator IC designed to provide a fixed output voltage with low dropout and low quiescent current.
• Packaging/Quantity: The MAX1818EUT18#TG16 is available in a SOT23-6 package and is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Dropout Voltage: 120mV at 100mA Load Current
• Quiescent Current: 40µA (typical)
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1818EUT18#TG16 has the following pin configuration:

```

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

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

Functional Features

• Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current ensures minimal power consumption during standby or idle conditions.
• Fixed output voltage eliminates the need for external resistors or adjustments.
• Thermal shutdown protection prevents the IC from overheating.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation. - Low quiescent current minimizes power consumption. - Fixed output voltage simplifies circuit design. - Thermal shutdown protection enhances reliability.

Disadvantages: - Limited output current capability (up to 100mA). - Restricted input voltage range (2.5V to 5.5V).

Working Principles

The MAX1818EUT18#TG16 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals, regardless of load variations. The enable pin allows for control of the regulator's operation, while the feedback pin ensures the output voltage remains stable.

Application Field Plans

The MAX1818EUT18#TG16 is suitable for various applications that require a stable and regulated 1.8V power supply. Some potential application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, can benefit from the low dropout and low quiescent current characteristics of the MAX1818EUT18#TG16.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and have strict power consumption requirements. The MAX1818EUT18#TG16 can provide a reliable power source for these devices.
3. Embedded systems: Microcontrollers, sensors, and other components in embedded systems often require a stable voltage supply. The MAX1818EUT18#TG16 can ensure consistent power delivery in such systems.

Alternative Models

Some alternative models that offer similar functionality to the MAX1818EUT18#TG16 include:

1. LM1117-1.8: A popular voltage regulator IC with a fixed 1.8V output voltage.
2. MCP1700-1802E: Another low dropout voltage regulator with a fixed 1.8V output.
3. LT1761ES5-1.8: A high-performance, low quiescent current regulator with a fixed 1.8V output.

These alternative models can be considered based on specific application requirements and availability.

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