MAX8878EUK29+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, High Output Current, Small Package Size
• Package: SOT23-5
• Essence: The MAX8878EUK29+T is a low dropout voltage regulator designed to provide a stable output voltage for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.9V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8878EUK29+T has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection |___________| ```

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• High output current capability enables powering of various electronic components.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the device from excessive current flow.

Advantages and Disadvantages

Advantages

• Small package size allows for space-efficient designs.
• Low dropout voltage ensures stable output even with low input voltages.
• Low quiescent current minimizes power consumption in standby mode.
• High output current capability enables powering of a wide range of devices.

Disadvantages

• Limited output voltage options (only 2.9V).
• Relatively low output current compared to some other voltage regulators.

Working Principles

The MAX8878EUK29+T is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) can be used to turn the regulator on or off.

Detailed Application Field Plans

The MAX8878EUK29+T is commonly used in various battery-powered applications, such as portable electronic devices, wireless communication devices, and handheld instruments. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency is crucial.

Detailed and Complete Alternative Models

• MAX8878EUK25+T: Output voltage of 2.5V
• MAX8878EUK33+T: Output voltage of 3.3V
• MAX8878EUK50+T: Output voltage of 5.0V

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

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