MAX8888EZK18+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, high-performance
• Package: SOT23-5
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Dropout Voltage: 120mV at 150mA
• Maximum Output Current: 150mA
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8888EZK18+T has a SOT23-5 package with the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption in standby or low-load situations.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages

• Compact SOT23-5 package allows for space-efficient designs.
• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage reduces power dissipation and extends battery life.
• High accuracy and stability of output voltage ensure reliable performance.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT23-5 package may require additional thermal management for high-temperature environments.

Working Principles

The MAX8888EZK18+T is a low-dropout voltage regulator that maintains a stable output voltage despite variations in input voltage and load conditions. It utilizes a feedback mechanism to continuously adjust the internal pass transistor, compensating for changes in the input voltage and load current. This ensures a consistent output voltage of 1.8V, even when the input voltage drops close to the desired output voltage.

Detailed Application Field Plans

The MAX8888EZK18+T is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. Its low dropout voltage and compact package make it suitable for battery-powered applications where power efficiency and space constraints are critical. Additionally, its wide input voltage range allows it to be used with different power sources, including batteries and USB power supplies.

Detailed and Complete Alternative Models

• MAX8887EZK18+T: Similar specifications but with an adjustable output voltage.
• MAX8889EZK18+T: Higher maximum output current of 300mA.
• MAX8890EZK18+T: Lower quiescent current of 10µA.

These alternative models offer similar functionality but with slight variations in specifications to cater to specific application requirements.

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