Maxim Integrated
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
MAX887HESA+
Ver Detalle Hojas de datos

MAX887HESA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX887HESA+ belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent and thermal protection

Package

MAX887HESA+ comes in a small surface-mount package (SOP).

Essence

The essence of MAX887HESA+ lies in its ability to provide stable and regulated voltage to 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: 2.5V to 6.5V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 120mV at 100mA load current
  • Maximum Output Current: 300mA
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

Functional Features

  • Low dropout voltage ensures efficient power conversion.
  • Adjustable output voltage allows flexibility in various applications.
  • Overcurrent and thermal protection safeguard the device and connected components.
  • Wide input voltage range enables compatibility with different power sources.

Advantages

  • High efficiency leads to reduced power consumption.
  • Small package size saves board space.
  • Wide input voltage range provides versatility.
  • Adjustable output voltage accommodates diverse requirements.
  • Overcurrent and thermal protection enhance reliability.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Quiescent current may affect battery life in low-power devices.

Working Principles

MAX887HESA+ operates as a linear voltage regulator. It regulates the output voltage by comparing it with a reference voltage and adjusting the pass transistor accordingly. The dropout voltage is minimized to ensure efficient power conversion.

Detailed Application Field Plans

  • Battery-powered devices: MAX887HESA+ can be used to regulate voltage in portable electronics, such as smartphones and tablets.
  • Industrial automation: It can provide stable voltage for control systems and sensors.
  • Automotive electronics: This voltage regulator is suitable for powering various automotive components, including infotainment systems and lighting modules.

Detailed and Complete Alternative Models

  1. LM1117-3.3: A popular alternative with similar specifications and package type.
  2. LT1763: Offers higher maximum output current and lower dropout voltage.
  3. TPS7A4700: Provides adjustable output voltage and higher input voltage range.

In conclusion, MAX887HESA+ is a voltage regulator that offers high efficiency, low dropout voltage, and adjustable output voltage. It is commonly used in battery-powered devices, industrial automation, and automotive electronics. While it has limitations in terms of maximum output current and quiescent current, there are alternative models available with different features and specifications.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX887HESA+ en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX887HESA+ in technical solutions:

  1. Q: What is MAX887HESA+? A: MAX887HESA+ is a high-efficiency, low-dropout linear regulator IC designed for various technical applications.

  2. Q: What is the input voltage range of MAX887HESA+? A: The input voltage range of MAX887HESA+ is typically between 2.5V and 12V.

  3. Q: What is the output voltage range of MAX887HESA+? A: The output voltage range of MAX887HESA+ can be adjusted from 1.25V to 11.8V using external resistors.

  4. Q: What is the maximum output current of MAX887HESA+? A: MAX887HESA+ can provide a maximum output current of up to 500mA.

  5. Q: Is MAX887HESA+ suitable for battery-powered applications? A: Yes, MAX887HESA+ is well-suited for battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Q: Can MAX887HESA+ handle input voltage fluctuations? A: Yes, MAX887HESA+ has built-in protection features like thermal shutdown and overcurrent protection to handle input voltage fluctuations.

  7. Q: Does MAX887HESA+ require any external components for operation? A: Yes, MAX887HESA+ requires a few external components such as input/output capacitors and resistors for voltage adjustment.

  8. Q: Can MAX887HESA+ operate in a wide temperature range? A: Yes, MAX887HESA+ is designed to operate in a temperature range of -40°C to +85°C.

  9. Q: Is MAX887HESA+ available in a surface-mount package? A: Yes, MAX887HESA+ is available in an 8-pin SOIC (Small Outline Integrated Circuit) surface-mount package.

  10. Q: What are some typical applications of MAX887HESA+? A: MAX887HESA+ can be used in various technical solutions such as battery-powered devices, portable instruments, industrial equipment, and automotive systems.

Please note that the answers provided here are general and may vary depending on specific design considerations and requirements.