MAX8903AETI+T

Product Overview

Category

The MAX8903AETI+T belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management in electronic devices. It provides efficient power supply solutions for various applications, ensuring stable and reliable performance.

Characteristics

• High efficiency: The MAX8903AETI+T offers high power conversion efficiency, minimizing energy loss during operation.
• Compact package: It comes in a small-sized package, making it suitable for space-constrained designs.
• Wide input voltage range: This IC can handle a wide range of input voltages, allowing flexibility in different power supply scenarios.
• Low standby current: The MAX8903AETI+T consumes minimal power in standby mode, contributing to energy savings.

Package

The MAX8903AETI+T is available in a tiny 28-pin TQFN (Thin Quad Flat No-Lead) package. This package type ensures good thermal dissipation and ease of integration into circuit boards.

Essence

The essence of the MAX8903AETI+T lies in its ability to efficiently regulate and manage power supply, providing stable voltage outputs for electronic devices.

Packaging/Quantity

This product is typically supplied 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 0.6V to VIN
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Standby Current: Less than 1µA

Detailed Pin Configuration

The MAX8903AETI+T features a total of 28 pins. The pin configuration is as follows:

1. VIN: Input voltage
2. EN: Enable pin
3. PGND: Power ground
4. LX: Inductor connection
5. BST: Boost capacitor connection
6. SW: Switching node
7. FB: Feedback voltage
8. SS/TRK: Soft-start/tracking control
9. VOUT: Output voltage
10. AGND: Analog ground
11. PG: Power good indicator 12-28. Reserved

Functional Features

• High-efficiency step-down converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start and tracking control
• Power good indicator

Advantages and Disadvantages

Advantages

• High power conversion efficiency
• Compact package size
• Wide input voltage range
• Low standby current consumption
• Integrated protection features

Disadvantages

• Limited maximum output current (1.5A)
• Not suitable for high-power applications

Working Principles

The MAX8903AETI+T operates as a step-down (buck) converter. It takes the input voltage and efficiently steps it down to the desired output voltage using a switching regulator. The integrated control circuitry ensures stable and regulated output voltage, even with varying input conditions.

Detailed Application Field Plans

The MAX8903AETI+T finds applications in various electronic devices that require efficient power management. Some potential application fields include: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

• MAX8903BETI+T
• MAX8903CETI+T
• MAX8903DSETI+T
• MAX8903ESETI+T

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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