MAX858ESA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX858ESA+ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for voltage regulation and power management applications.

Characteristics

• The MAX858ESA+ is a low-dropout linear regulator.
• It provides a stable output voltage even when the input voltage varies.
• It offers high accuracy and low quiescent current.
• This IC operates over a wide temperature range, making it suitable for various environments.

Package

The MAX858ESA+ is available in a small-sized surface-mount package.

Essence

The essence of the MAX858ESA+ lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

This IC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 200mV at 100mA load
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX858ESA+ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient voltage regulation.
• Built-in thermal shutdown protection prevents overheating.
• Short-circuit and reverse polarity protection enhance reliability.
• Adjustable output voltage allows flexibility in different applications.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Wide operating temperature range for versatile usage.
• Small package size enables space-saving designs.
• Protection features enhance reliability and durability.

Disadvantages

• Limited output current capability compared to other power management ICs.
• Higher cost compared to non-linear voltage regulators.

Working Principles

The MAX858ESA+ operates as a low-dropout linear regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals. This is achieved through an internal feedback mechanism that adjusts the pass transistor's resistance to compensate for changes in load and input voltage.

Detailed Application Field Plans

The MAX858ESA+ finds applications in various fields, including: 1. Battery-powered devices: Provides stable voltage supply for portable electronics. 2. Automotive systems: Regulates voltage for automotive sensors and control modules. 3. Industrial equipment: Ensures reliable power management in industrial automation systems. 4. Communication devices: Maintains consistent voltage levels for wireless communication modules.

Detailed and Complete Alternative Models

1. LM1117-ADJ: A popular alternative with similar specifications and adjustable output voltage.
2. LT1763-5: Offers lower dropout voltage and higher output current capability.
3. TPS7A4700: Provides ultra-low noise performance for sensitive applications.

In conclusion, the MAX858ESA+ is a versatile low-dropout linear regulator IC used for voltage regulation and power management. Its high accuracy, stability, and protection features make it suitable for various applications in different industries. While it has limitations in terms of output current and cost, there are alternative models available to suit specific requirements.