MAX8878EUK50+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• Package: SOT-23-5
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 5.0V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8878EUK50+T has a total of five pins arranged as follows:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. OUT: Output voltage pin

Functional Features

• Low dropout voltage allows for efficient power conversion.
• High output current capability of up to 150mA.
• Wide input voltage range enables flexibility in various applications.
• Low quiescent current ensures minimal power consumption during standby mode.
• Built-in thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package offers space-saving benefits. - High efficiency results in reduced power dissipation. - Wide operating temperature range allows for use in extreme environments.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external bypass capacitor for optimal performance.

Working Principles

The MAX8878EUK50+T is a low dropout linear voltage regulator that regulates the input voltage to a stable 5.0V output voltage. It achieves this by utilizing a PNP pass transistor in conjunction with a PMOS current source. The regulator operates in a low dropout mode, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MAX8878EUK50+T is commonly used in various battery-powered applications, such as portable devices, handheld instruments, and wireless communication devices. It provides a stable 5.0V supply voltage, which is often required for powering microcontrollers, sensors, and other low-power components.

Detailed and Complete Alternative Models

• MAX8887EUK50+: Similar specifications and pin configuration, but offers an adjustable output voltage.
• MAX8869EUE33+: Low dropout voltage regulator with a fixed 3.3V output voltage.
• MAX8890EUK33+: High-output current regulator with a fixed 3.3V output voltage.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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