MAX5903AAETT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: 16-TDFN (3x3mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 3A
• Quiescent Current: 25µA
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX5903AAETT+T has the following pin configuration:

```

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| | --| VIN | --| GND | --| EN | --| FB | --| VOUT | --| PG | --| SS | --| COMP | --| BST | --| SW | --| AGND | --| PGND | --| NC | |___________| ```

Functional Features

• High Efficiency: The MAX5903AAETT+T offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 25µA, it ensures minimal power consumption during standby or low-load conditions.
• Wide Input Voltage Range: The IC can handle input voltages ranging from 4.5V to 28V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 5.5V, providing flexibility for different requirements.
• Overcurrent and Overtemperature Protection: The MAX5903AAETT+T incorporates protection features to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption during standby - Wide input voltage range - Adjustable output voltage - Built-in protection features

Disadvantages: - Limited maximum output current (up to 3A)

Working Principles

The MAX5903AAETT+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. The IC continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output voltage, even with varying input conditions.

Detailed Application Field Plans

The MAX5903AAETT+T is suitable for various applications where efficient power management is required. Some potential application fields include:

1. Portable Electronics: Powering smartphones, tablets, and other battery-operated devices.
2. Industrial Automation: Providing regulated power for control systems, sensors, and actuators.
3. Automotive Electronics: Supporting power supply requirements for infotainment systems, lighting, and motor control.
4. IoT Devices: Enabling efficient power management in smart home devices, wearables, and connected sensors.

Detailed and Complete Alternative Models

1. MAX5902AAETT+T: Similar to MAX5903AAETT+T but with a lower maximum output current of 2A.
2. MAX5904AAETT+T: Similar to MAX5903AAETT+T but with a higher maximum output current of 4A.
3. MAX5905AAETT+T: Similar to MAX5903AAETT+T but with a higher maximum output current of 5A.

These alternative models offer different output current capabilities to cater to specific application requirements.

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