MAX1947ETA18+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX1947ETA18+ belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The MAX1947ETA18+ comes in a small SOT23 package.
• Essence: It is a high-efficiency, low-dropout linear regulator.
• Packaging/Quantity: The product is typically sold in reels or tubes containing a specific quantity.

Specifications

The specifications of MAX1947ETA18+ are as follows:

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.15% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1947ETA18+ has the following pin configuration:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. OUT: Output voltage pin

Functional Features

The functional features of MAX1947ETA18+ include:

• High efficiency and low dropout voltage
• Low quiescent current
• Excellent line and load regulation
• Thermal shutdown protection
• Short-circuit and reverse-current protection

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Low dropout voltage allows for reliable operation even with low input voltages - Excellent line and load regulation provide stable output voltage - Thermal shutdown protection prevents damage due to excessive heat - Short-circuit and reverse-current protection enhance overall reliability

Disadvantages: - Limited maximum output current (150mA) - Restricted input voltage range (2.5V to 5.5V)

Working Principles

The MAX1947ETA18+ operates as a linear regulator, maintaining a constant output voltage despite variations in the input voltage. It achieves this by using a feedback mechanism that adjusts the internal resistance to compensate for changes in load and line conditions.

Detailed Application Field Plans

The MAX1947ETA18+ finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable technology - Embedded systems

Detailed and Complete Alternative Models

Some alternative models to MAX1947ETA18+ with similar characteristics and specifications include: - LM1117-1.8 - LT1763-1.8 - MCP1700-1.8

These alternatives can be considered based on specific requirements and availability.

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