MAX8887EZK18-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOT23-5
• Essence: Provides a stable output voltage for various electronic devices
• Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8887EZK18-T has a total of 5 pins:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. BYP: Bypass capacitor connection
5. OUT: Output voltage

Functional Features

• Low dropout voltage ensures efficient power conversion
• Stable output voltage even with varying input voltage levels
• Low quiescent current for power-saving applications
• Thermal shutdown protection prevents overheating
• Short-circuit and reverse polarity protection for added safety

Advantages and Disadvantages

Advantages

• High efficiency leads to longer battery life in portable devices
• Small package size allows for space-saving designs
• Wide input voltage range provides flexibility in different applications
• Excellent line and load regulation for stable performance

Disadvantages

• Limited output current may not be suitable for high-power applications
• Requires external bypass capacitors for optimal performance

Working Principles

The MAX8887EZK18-T is a voltage regulator that maintains a stable output voltage of 1.8V, regardless of variations in the input voltage. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in load and input conditions. The regulator operates in a low dropout mode, minimizing power dissipation and maximizing efficiency.

Detailed Application Field Plans

The MAX8887EZK18-T is commonly used in various electronic devices that require a stable 1.8V power supply. Some typical application fields include:

1. Mobile phones
2. Portable media players
3. Digital cameras
4. Wireless communication devices
5. Battery-powered IoT devices

Detailed and Complete Alternative Models

• MAX8887EZK18+: Similar specifications and features, but available in a different package (SOT23-6)
• MAX8887EZK18-WLP: Wafer-level package version with smaller footprint
• MAX8887EZK18-TR: Tape and Reel packaging with 2500 units per reel

These alternative models offer similar functionality and can be used as replacements for the MAX8887EZK18-T in various applications.

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