MAX8878EZK33+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent 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: 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8878EZK33+T has a total of 5 pins:

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 ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Enable pin allows for easy on/off control.
• Bypass capacitor pin improves stability and noise performance.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables operation with low input voltages. - Low quiescent current extends battery life in portable applications. - Small package size (SOT-23) saves board space. - Enable pin provides flexibility in power management.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Narrow input voltage range restricts compatibility with certain systems.

Working Principles

The MAX8878EZK33+T is a voltage regulator that converts an input voltage within the range of 2.5V to 6.5V to a stable output voltage of 3.3V. It achieves this by utilizing a low dropout linear regulator architecture. The device operates by maintaining a constant voltage difference (dropout voltage) between the input and output terminals, ensuring a stable output voltage even when the input voltage fluctuates.

Detailed Application Field Plans

The MAX8878EZK33+T is commonly used in various applications that require a stable 3.3V power supply. Some typical application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and small package size of the MAX8878EZK33+T.
2. IoT (Internet of Things) devices: The voltage regulator's low dropout voltage and wide operating temperature range make it suitable for IoT applications where power efficiency and reliability are crucial.
3. Industrial control systems: The device's ability to operate in harsh environments (-40°C to +85°C) makes it suitable for industrial control systems that require robust power management solutions.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. MCP1700-3302E/TO: Another alternative offering a 3.3V output voltage and low dropout characteristics.
3. LP2985-33DBVR: An alternative with a slightly higher maximum output current and wider input voltage range.

(Note: This list is not exhaustive and other alternatives may exist in the market.)

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