MAX1928EUB18+ Encyclopedia Entry

Product Overview

The MAX1928EUB18+ belongs to the category of voltage regulators and is specifically designed for use in low-power applications. This integrated circuit offers characteristics such as high efficiency, low dropout voltage, and a compact package size. The MAX1928EUB18+ is available in a small SOT23-5 package and is an essential component for regulating voltage in various electronic devices.

Package and Quantity

The MAX1928EUB18+ is packaged in a SOT23-5 package and is typically sold in quantities suitable for small-scale electronic projects.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1928EUB18+ features a standard SOT23-5 pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. EN (Enable) 5. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even with small input-output differentials.
• Low Quiescent Current: Minimizes power consumption during standby or idle modes.
• Enable Function: Allows for control of the regulator's output, conserving power when not in use.

Advantages and Disadvantages

Advantages

• High Efficiency: Provides efficient voltage regulation, reducing power loss.
• Small Package Size: Ideal for space-constrained designs.
• Low Dropout Voltage: Suitable for low-power applications.

Disadvantages

• Limited Maximum Output Current: Not suitable for high-power applications.
• Narrow Input Voltage Range: May not be compatible with certain power sources.

Working Principles

The MAX1928EUB18+ operates by comparing the feedback voltage to a precise internal reference, adjusting the pass element to maintain a stable output voltage. When enabled, the regulator delivers a constant 1.8V output, ensuring reliable power supply to connected components.

Detailed Application Field Plans

The MAX1928EUB18+ is well-suited for various low-power applications, including: - Battery-Powered Devices: Portable electronics, IoT sensors, and wearable gadgets. - Embedded Systems: Microcontroller-based systems, sensor nodes, and low-power wireless modules. - Consumer Electronics: Mobile devices, digital cameras, and handheld gaming consoles.

Detailed and Complete Alternative Models

For applications requiring different output voltages or higher current capabilities, alternative models to consider include: - MAX1928EUB25+: Offers a 2.5V output voltage with similar characteristics. - MAX1928EUB33+: Provides a 3.3V output voltage for compatible applications. - MAX15062: A higher current, adjustable output voltage regulator suitable for more demanding power requirements.

In conclusion, the MAX1928EUB18+ serves as a reliable voltage regulator for low-power electronic devices, offering high efficiency and compact design. Its application spans across various industries, making it a versatile choice for designers seeking efficient power management solutions.

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