MAX8841ELT33+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: 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.05%/V
• Load Regulation: ±0.15%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8841ELT33+T has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the system.
2. IN (Input): Connects to the input voltage source.
3. EN (Enable): Logic input pin to enable or disable the regulator.
4. BYP (Bypass): Connects to an external bypass capacitor for improved noise performance.
5. FB (Feedback): Connects to the feedback resistor divider network to set the output voltage.
6. OUT (Output): Provides the regulated output voltage.

Functional Features

• Low dropout voltage: The MAX8841ELT33+T operates with a low dropout voltage of only 120mV at 100mA, ensuring efficient power conversion.
• Low quiescent current: With a quiescent current of only 40µA, the regulator minimizes power consumption in standby or low-load conditions.
• Enable pin control: The EN pin allows for easy on/off control of the regulator, conserving power when not needed.
• Excellent line and load regulation: The device provides precise output voltage regulation even with varying input voltage and load conditions.
• Thermal shutdown protection: The MAX8841ELT33+T includes built-in thermal shutdown protection to prevent damage from excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Low quiescent current minimizes power consumption. - Enable pin control allows for easy on/off operation. - Excellent line and load regulation for precise voltage output. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited maximum output current of 150mA may not be suitable for high-power applications. - Only available in a 6-pin Thin SOT23 package, limiting flexibility in PCB design.

Working Principles

The MAX8841ELT33+T is a low dropout linear regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the divided down output voltage with an internal reference voltage. Any deviation from the desired output voltage is corrected by adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The MAX8841ELT33+T is commonly used in various applications, including but not limited to:

1. Battery-powered devices: Portable electronic devices such as smartphones, tablets, and portable media players benefit from the low dropout voltage and low quiescent current of the MAX8841ELT33+T, extending battery life.
2. IoT devices: Internet of Things (IoT) devices often operate on low power and require efficient voltage regulation. The MAX8841ELT33+T meets these requirements, making it suitable for IoT applications.
3. Wearable devices: Fitness trackers, smartwatches, and other wearable devices can benefit from the small form factor and low power consumption of the MAX8841ELT33+T.
4. Industrial applications: The regulator's wide input voltage range and robust performance make it suitable for various industrial applications, including sensors, control systems, and instrumentation.

Detailed and Complete Alternative Models

1. MAX8841ELT25+T: Similar to the MAX8841ELT33+T, but with an output voltage of 2.5V.
2. MAX8841ELT50+T: Similar to the MAX8841ELT33+T, but with an output voltage of 5.0V.
3. MAX8841ELT18+T: Similar to the MAX8841ELT33+T, but with an output voltage of 1.8V.
4. MAX8841ELT12+T: Similar to the MAX8841ELT33+T, but with an output voltage of 1.2V.

These alternative models provide different output voltage options to suit specific application requirements.

In conclusion, the MAX8841ELT33+T is a low dropout linear regulator that offers efficient power management with its low dropout voltage, low quiescent current, and