MAX8878EUK30+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT23-5
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.0V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8878EUK30+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.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• Built-in thermal shutdown protection prevents overheating.
• Short-circuit current limiting protects the device from excessive current flow.

Advantages and Disadvantages

Advantages: - Small package size enables space-saving designs. - Wide input voltage range provides flexibility in various applications. - Low dropout voltage minimizes power dissipation.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Sensitive to external noise due to its low quiescent current.

Working Principles

The MAX8878EUK30+T is a voltage regulator that maintains a stable output voltage regardless of fluctuations in the input voltage. It utilizes a feedback mechanism to adjust the internal circuitry and ensure a constant output voltage of 3.0V. The device operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly.

Detailed Application Field Plans

The MAX8878EUK30+T is commonly used in various battery-powered applications, such as portable devices, wireless communication systems, and handheld instruments. Its low dropout voltage and low quiescent current make it suitable for power-sensitive applications where efficiency and battery life are crucial.

Detailed and Complete Alternative Models

1. MAX8887EUK30+: Similar to MAX8878EUK30+T but with a higher maximum output current of 300mA.
2. MAX8869EUE33+: A 3.3V voltage regulator with a lower dropout voltage of 80mV at 100mA.
3. MAX8890EUK18+: A 1.8V voltage regulator with an extended input voltage range of 2.5V to 10V.

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

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