MAX8840ELT25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Linear Regulator
• Package: 6-Pin Thin SOT23
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.8V to 5.5V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 40µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.05%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8840ELT25+T has the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. BYP: Bypass capacitor connection
5. FB: Feedback pin for setting the output voltage
6. OUT: Output voltage

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in power supply selection
• Low quiescent current for power-sensitive applications
• Excellent load and line regulation for stable output voltage
• Enable pin for easy control of the regulator
• Bypass capacitor connection for improved noise performance

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion - Wide input voltage range provides versatility in power supply options - Low quiescent current minimizes power consumption - Excellent load and line regulation ensures stable output voltage - Enable pin allows for easy control of the regulator

Disadvantages: - Limited output current capability - Sensitive to input voltage fluctuations

Working Principles

The MAX8840ELT25+T is a low dropout linear regulator that regulates the output voltage by maintaining a constant voltage difference between the input and output. It achieves this by using a pass transistor that adjusts its resistance to maintain the desired output voltage. The enable pin allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The MAX8840ELT25+T is commonly used in various applications, including but not limited to:

1. Battery-powered devices: Provides stable voltage regulation for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Ensures reliable power supply for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Regulates voltage for automotive infotainment systems, lighting modules, and other vehicle electronics.
4. Medical devices: Provides precise voltage regulation for medical instruments and implantable devices.
5. Consumer electronics: Used in audio/video equipment, gaming consoles, and other consumer electronic devices.

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout linear regulator with fixed 3.3V output voltage.
2. LT1763: Low noise, low dropout linear regulator with adjustable output voltage.
3. TPS7A4700: Ultra-low dropout linear regulator with high PSRR (Power Supply Rejection Ratio).
4. ADP3339: High accuracy, low dropout linear regulator with adjustable output voltage.
5. LP2985: Micropower, low dropout linear regulator with fixed output voltage options.

(Note: This list is not exhaustive and there are many other alternative models available in the market.)

Word count: 399 words