MAX8875EUK33+T

Product Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low-dropout, low quiescent current, high output current capability
• Package: SOT23-5
• Essence: Efficient voltage regulation for various electronic devices
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA load
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8875EUK33+T features a SOT23-5 package with the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. BYP (Bypass Capacitor)
5. OUT (Output Voltage)

Functional Features

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

Advantages and Disadvantages

Advantages

• Compact SOT23-5 package offers space-saving solution for portable devices.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power dissipation and extends battery life.
• High output current capability supports demanding applications.
• Integrated protection features enhance device reliability.

Disadvantages

• Limited output voltage options restricts compatibility with specific voltage requirements.
• SOT23-5 package may require additional thermal management for high-power applications.

Working Principles

The MAX8875EUK33+T is a low-dropout linear voltage regulator that maintains a stable output voltage despite variations in input voltage and load conditions. It utilizes a pass transistor to regulate the output voltage based on feedback from an internal voltage reference. The device operates by comparing the output voltage to a fixed reference and adjusting the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The MAX8875EUK33+T finds application in various electronic devices where efficient voltage regulation is crucial. Some potential application fields include:

1. Battery-powered portable devices such as smartphones, tablets, and wearable devices.
2. Embedded systems and microcontrollers requiring stable power supply.
3. Industrial automation equipment and control systems.
4. Automotive electronics, including infotainment systems and advanced driver-assistance systems (ADAS).
5. IoT devices and sensor networks.

Detailed and Complete Alternative Models

• MAX8887: Low-dropout linear regulator with adjustable output voltage.
• MAX8860: Ultra-low quiescent current linear regulator for battery-powered applications.
• MAX603: High-accuracy, low-noise voltage reference with low dropout voltage.
• MAX17503: High-efficiency, synchronous step-down DC-DC converter.

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

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