MAX8878EZK29+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, High Output Current
• Package: SOT-23
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.9V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.1%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8878EZK29+T has a total of 5 pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage allows for efficient power conversion even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• High output current capability enables the device to power a wide range of loads.
• Built-in thermal shutdown and current limit protection enhance reliability and prevent damage to the device.

Advantages and Disadvantages

Advantages: - Compact SOT-23 package offers space-saving benefits. - Wide input voltage range allows for versatile applications. - Excellent line and load regulation ensure stable output voltage under varying conditions.

Disadvantages: - Limited output voltage options restrict its use in certain applications requiring different voltage levels. - Relatively high dropout voltage compared to some other voltage regulators in the market.

Working Principles

The MAX8878EZK29+T is a low dropout linear voltage regulator. It regulates the input voltage to a fixed 2.9V output voltage, providing a stable power supply for various electronic devices. The device utilizes a PNP pass transistor and a feedback control loop to maintain the desired output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to drop the excess voltage, ensuring a constant output voltage.

Detailed Application Field Plans

The MAX8878EZK29+T finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Wireless communication systems - Industrial equipment - Automotive electronics

Detailed and Complete Alternative Models

1. MAX8887EZK29+T: Similar specifications and pin configuration, but with a different output voltage of 2.8V.
2. MAX8869EUE33+: Low dropout voltage regulator with an output voltage of 3.3V, available in a SOT-23 package.
3. MAX8890ETC+: High-efficiency, low quiescent current voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes depending on specific application requirements.

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