MAX892LEUA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range

Package: 8-pin µMAX® package

Essence: The MAX892LEUA+ is a power management IC designed to efficiently regulate and distribute power in electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.2V to 3.6V
• Maximum Output Current: 150mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX892LEUA+ features the following pin configuration:

1. EN (Enable): Enable pin for turning the IC on/off.
2. GND (Ground): Ground reference for the IC.
3. VOUT (Output Voltage): Adjustable output voltage pin.
4. FB (Feedback): Feedback pin for setting the desired output voltage.
5. VIN (Input Voltage): Input voltage pin.
6. SW (Switch): Switching pin for regulating the output voltage.
7. LX (Inductor): Connection pin for the external inductor.
8. PGND (Power Ground): Ground reference for the power circuitry.

Functional Features

• Integrated low dropout linear regulator
• Overcurrent and overtemperature protection
• Soft-start function for smooth power-up
• Low quiescent current for power-saving operation
• Adjustable output voltage through feedback pin

Advantages and Disadvantages

Advantages: - High efficiency power management - Compact size suitable for space-constrained applications - Wide input voltage range for compatibility with various power sources - Overcurrent and overtemperature protection ensures device safety

Disadvantages: - Limited maximum output current of 150mA - Not suitable for high-power applications

Working Principles

The MAX892LEUA+ operates by regulating the input voltage to provide a stable and adjustable output voltage. It utilizes an integrated low dropout linear regulator and a switching mechanism to efficiently distribute power. The feedback pin allows users to set the desired output voltage, while the enable pin controls the on/off state of the IC.

Detailed Application Field Plans

The MAX892LEUA+ is commonly used in various portable electronic devices, such as: - Smartphones - Tablets - Portable media players - Wearable devices - IoT devices

Its compact size, low power consumption, and wide input voltage range make it ideal for these applications, where efficient power management is crucial.

Detailed and Complete Alternative Models

1. MAX890LEUA+: Similar to MAX892LEUA+, but with a higher maximum output current of 300mA.
2. MAX893LEUA+: Enhanced version with additional features like battery charger functionality.
3. MAX894LEUA+: Higher power variant with a maximum output current of 500mA.

These alternative models offer increased capabilities and flexibility based on specific application requirements.

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