MAX8840ELT33+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: 6-Pin Thin SOT23
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 units 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: 20µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground
2. IN: Input Voltage
3. EN: Enable Pin
4. BYP: Bypass Capacitor Connection
5. FB: Feedback Pin
6. OUT: Output Voltage

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption during standby.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor connection enhances stability and noise performance.
• Feedback pin enables precise output voltage regulation.

Advantages and Disadvantages

Advantages: - Low dropout voltage improves efficiency. - Low quiescent current extends battery life. - Small package size saves board space. - Wide input voltage range provides flexibility in design.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Temperature range may restrict usage in extreme environments.

Working Principles

The MAX8840ELT33+T is a low dropout voltage regulator that operates by maintaining a constant output voltage despite variations in the input voltage. It achieves this by using a feedback mechanism that adjusts the internal circuitry to compensate for changes in load and input conditions. The regulator ensures a stable output voltage of 3.3V, even when the input voltage fluctuates between 2.5V and 6.5V.

Detailed Application Field Plans

The MAX8840ELT33+T is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Portable Electronics: Smartphones, tablets, portable media players.
2. Wearable Devices: Fitness trackers, smartwatches.
3. IoT Devices: Home automation systems, sensor nodes.
4. Battery-Powered Systems: Wireless communication modules, handheld instruments.

Detailed and Complete Alternative Models

1. MAX8841ELT30+: Similar to MAX8840ELT33+T but with an output voltage of 3.0V.
2. MAX8842ELT25+: Similar to MAX8840ELT33+T but with an output voltage of 2.5V.
3. MAX8843ELT18+: Similar to MAX8840ELT33+T but with an output voltage of 1.8V.

These alternative models provide flexibility in choosing the desired output voltage for specific applications.

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