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MAX5071CAUA-T
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MAX5071CAUA-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
  • Package: 8-pin µMAX®
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 76V
  • Output Voltage Range: 0.6V to 75V
  • Output Current: Up to 500mA
  • Quiescent Current: 17µA (typical)
  • Switching Frequency: 100kHz to 2MHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX5071CAUA-T has the following pin configuration:

  1. GND: Ground connection
  2. FB: Feedback input for regulating the output voltage
  3. EN: Enable pin to turn the regulator on/off
  4. SW: Switching node for connecting the inductor
  5. LX: Inductor connection for switching current
  6. VCC: Supply voltage input
  7. PGND: Power ground connection
  8. SS/TR: Soft-start/Tracking pin for controlling the startup behavior

Functional Features

  • High efficiency power conversion
  • Low quiescent current for improved energy efficiency
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage through feedback pin
  • Overcurrent and overtemperature protection
  • Soft-start and tracking capability for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range enables compatibility with various power sources - Low quiescent current prolongs battery life in portable applications - Overcurrent and overtemperature protection enhance system reliability

Disadvantages: - Limited output current may not be suitable for high-power applications - 8-pin package may limit the number of available I/O pins for other functions

Working Principles

The MAX5071CAUA-T is a voltage regulator IC that converts an input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency power conversion. The input voltage is connected to the VCC pin, and the desired output voltage is set using the feedback (FB) pin. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the output voltage within the specified range.

Detailed Application Field Plans

The MAX5071CAUA-T is commonly used in various applications, including:

  1. Industrial automation systems
  2. Automotive electronics
  3. Telecommunications equipment
  4. Power supplies for consumer electronics
  5. Battery-powered devices
  6. LED lighting systems

Detailed and Complete Alternative Models

  1. MAX5070CAUA-T: Similar specifications and features, but with a different pin configuration.
  2. MAX5072CAUA-T: Higher output current capability, suitable for more demanding applications.
  3. MAX5073CAUA-T: Lower quiescent current, ideal for ultra-low power applications.

These alternative models provide options based on specific requirements and design constraints.

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技術ソリューションにおける MAX5071CAUA-T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MAX5071CAUA-T in technical solutions:

Q1: What is the MAX5071CAUA-T? A1: The MAX5071CAUA-T is a high-voltage, current-mode PWM controller designed for use in isolated power supplies.

Q2: What are the key features of the MAX5071CAUA-T? A2: The key features include wide input voltage range, adjustable switching frequency, integrated error amplifier, soft-start function, and overvoltage protection.

Q3: What is the typical application of the MAX5071CAUA-T? A3: The MAX5071CAUA-T is commonly used in offline flyback converters, telecom power supplies, industrial power systems, and other applications requiring isolated power conversion.

Q4: What is the maximum input voltage supported by the MAX5071CAUA-T? A4: The MAX5071CAUA-T can handle input voltages up to 100V.

Q5: Can the switching frequency be adjusted in the MAX5071CAUA-T? A5: Yes, the switching frequency can be adjusted using an external resistor.

Q6: Does the MAX5071CAUA-T have any built-in protection features? A6: Yes, the MAX5071CAUA-T includes overvoltage protection, cycle-by-cycle current limiting, and thermal shutdown protection.

Q7: How does the soft-start function work in the MAX5071CAUA-T? A7: The soft-start function gradually ramps up the output voltage during startup to prevent excessive inrush current.

Q8: Can the MAX5071CAUA-T be used in both step-up and step-down configurations? A8: Yes, the MAX5071CAUA-T can be used in both step-up (boost) and step-down (buck) configurations.

Q9: What is the maximum output current supported by the MAX5071CAUA-T? A9: The maximum output current depends on the external components used in the application circuit. Please refer to the datasheet for detailed information.

Q10: Is there any evaluation board available for the MAX5071CAUA-T? A10: Yes, Maxim Integrated provides an evaluation kit (MAX5071EVKIT) that allows users to easily test and evaluate the performance of the MAX5071CAUA-T in their applications.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for accurate and detailed information.