MAX889RESA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Noise, Small Package Size
• Package: 8-Pin SOIC (Small Outline Integrated Circuit)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 300mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX889RESA+T has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. SW (Switch)
7. NC (No Connection)
8. GND (Ground)

Functional Features

• High efficiency voltage regulation for portable devices
• Low noise output for sensitive applications
• Enable pin for power management control
• Feedback pin for adjustable output voltage
• Thermal shutdown and current limit protection

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Small package size saves board space - Low dropout voltage allows operation with low input voltages - Wide input and output voltage range provides flexibility

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The MAX889RESA+T is a voltage regulator IC that converts an input voltage into a regulated output voltage. It utilizes a switching regulator architecture to achieve high efficiency and low dropout voltage. The enable pin allows for power management control, enabling the device to be turned on or off as needed. The feedback pin provides adjustable output voltage, allowing the user to set the desired voltage level.

Detailed Application Field Plans

The MAX889RESA+T is commonly used in various portable electronic devices, such as smartphones, tablets, and portable media players. It is particularly suitable for battery-powered applications where high efficiency and small size are crucial. Some specific application areas include:

1. Mobile phones
2. Wearable devices
3. Portable gaming consoles
4. Digital cameras
5. Portable audio players

Detailed and Complete Alternative Models

• MAX8887EZK33+T
• MAX8860ESA+T
• MAX8902BATA+T
• MAX8934AETI+T
• MAX8941ATE+T
• MAX8952ATE+T
• MAX8969ATE+T
• MAX8971GTL+T
• MAX8986AETP+T
• MAX8997ETP+T

These alternative models offer similar functionality and can be considered as replacements for the MAX889RESA+T depending on specific requirements and availability.

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