MAX1848ETA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX1848ETA+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• Package: The MAX1848ETA+ comes in a small 8-pin TDFN package.
• Essence: It is a highly efficient, low quiescent current, step-up DC-DC converter.
• Packaging/Quantity: The MAX1848ETA+ is typically sold in reels of 2500 units.

Specifications

The specifications for MAX1848ETA+ are as follows:

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: Up to 28V
• Maximum Output Current: 100mA
• Quiescent Current: 10µA (typical)
• Efficiency: Up to 90%
• Switching Frequency: 1MHz

Pin Configuration

The MAX1848ETA+ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. SW: Switching node pin
6. LX: Inductor connection pin
7. VOUT: Output voltage pin
8. PGND: Power ground pin

Functional Features

The MAX1848ETA+ offers the following functional features:

• High efficiency step-up DC-DC conversion
• Low quiescent current for improved power efficiency
• Wide input voltage range for versatile applications
• Adjustable output voltage through feedback pin
• Enable pin for easy on/off control
• Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages: - High efficiency operation - Low quiescent current - Compact package size - Wide input voltage range

Disadvantages: - Limited maximum output current (100mA) - Requires external components for operation

Working Principles

The MAX1848ETA+ is a step-up DC-DC converter that converts a low input voltage to a higher output voltage. It utilizes a switching regulator topology to achieve high efficiency conversion. The input voltage is boosted by the internal power stage and regulated to the desired output voltage through feedback control. The enable pin allows easy on/off control of the converter.

Detailed Application Field Plans

The MAX1848ETA+ finds applications in various fields, including but not limited to:

1. Battery-powered devices: It can be used to efficiently boost the battery voltage to power different components.
2. Portable electronics: Enables efficient power management in portable devices such as smartphones, tablets, and wearables.
3. IoT devices: Suitable for powering low-power IoT devices with its low quiescent current and wide input voltage range.
4. Industrial automation: Can be utilized in industrial automation systems for voltage level translation or power supply generation.

Detailed and Complete Alternative Models

Some alternative models to MAX1848ETA+ include:

1. MAX1847ETA+: Similar specifications and features, but with a lower maximum output current of 50mA.
2. MAX1849ETA+: Higher maximum output current of 200mA, suitable for applications requiring higher power delivery.
3. MAX1850ETA+: Step-up DC-DC converter with integrated power switch, simplifying the external component count.

In conclusion, the MAX1848ETA+ is a highly efficient, low quiescent current, step-up DC-DC converter. It offers a wide input voltage range, adjustable output voltage, and various protection features. With its compact package size, it finds applications in battery-powered devices, portable electronics, IoT devices, and industrial automation systems. Alternative models with different specifications are also available for specific application requirements.