MAX857ESA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX857ESA+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Voltage regulation capabilities
• Power management features
• Compact package size
• High efficiency
• Low power consumption

Package

MAX857ESA+ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of MAX857ESA+ lies in its ability to regulate voltage and efficiently manage power in electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.25V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND (Ground)
2. EN (Enable)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VIN (Input Voltage)

Functional Features

• Voltage regulation: MAX857ESA+ ensures a stable output voltage regardless of input voltage fluctuations.
• Power management: It efficiently manages power consumption, optimizing energy usage.
• Enable pin: The EN pin allows for easy on/off control of the device.
• Feedback pin: The FB pin provides feedback to regulate the output voltage accurately.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power wastage.
• Wide input voltage range allows for versatile applications.
• Compact package size enables integration into space-constrained designs.
• Low dropout voltage minimizes power loss.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

MAX857ESA+ operates based on a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The enable pin allows for easy control of the device, enabling power management as required.

Detailed Application Field Plans

MAX857ESA+ finds applications in various electronic devices, including but not limited to: 1. Mobile phones 2. Portable media players 3. Digital cameras 4. Wireless communication devices 5. Battery-powered devices

Detailed and Complete Alternative Models

1. MAX856ESA+: Similar to MAX857ESA+, but with a lower maximum output current of 300mA.
2. MAX858ESA+: Similar to MAX857ESA+, but with a higher maximum output current of 800mA.
3. MAX859ESA+: Similar to MAX857ESA+, but with an extended operating temperature range of -40°C to +125°C.

In conclusion, MAX857ESA+ is a versatile integrated circuit used for voltage regulation and power management in electronic devices. Its compact size, efficiency, and wide input voltage range make it suitable for various applications. However, its limited maximum output current and operating temperature range should be considered when selecting alternative models.