Maxim Integrated
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MAX5008CUB
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MAX5008CUB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency step-up DC-DC converter
  • Package: 10-pin µMAX® package
  • Essence: Boost regulator
  • Packaging/Quantity: Tube packaging, 100 units per tube

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: Up to 28V
  • Switching Frequency: 1.2MHz
  • Maximum Output Current: 200mA
  • Efficiency: Up to 92%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5008CUB has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SW: Switching node pin
  4. FB: Feedback voltage pin
  5. EN: Enable pin
  6. VOUT: Output voltage pin
  7. LX: Inductor connection pin
  8. PGND: Power ground pin
  9. SS/TR: Soft-start/Tracking pin
  10. COMP: Compensation pin

Functional Features

  • High efficiency and low quiescent current
  • Internal synchronous rectification for improved efficiency
  • Adjustable output voltage through external resistors
  • Soft-start function for controlled startup
  • Overcurrent and thermal shutdown protection
  • Low dropout voltage allows operation at low input voltages

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life - Wide input voltage range enables versatile applications - Compact package size saves board space - Built-in protection features enhance reliability

Disadvantages: - Limited maximum output current may restrict certain applications - Higher cost compared to non-integrated solutions

Working Principles

The MAX5008CUB is a high-efficiency step-up DC-DC converter. It utilizes a boost regulator topology to increase the input voltage to a higher output voltage level. The internal synchronous rectification improves efficiency by reducing power losses during switching transitions. The adjustable output voltage allows customization for specific application requirements.

Detailed Application Field Plans

The MAX5008CUB is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronic devices - LED backlighting systems - Industrial and automotive applications - Distributed power supplies

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX5008CUB are: - MAX1771: High-efficiency step-up DC-DC converter with integrated power switches - LT1308: Micropower high-efficiency step-up DC-DC converter - TPS61220: 2A, 4MHz, high-efficiency step-up DC-DC converter

These alternative models provide options for different input/output voltage ranges, maximum output currents, and package types, allowing designers to choose the most suitable solution for their specific needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX5008CUB v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX5008CUB in technical solutions:

  1. Q: What is the MAX5008CUB? A: The MAX5008CUB is a high-voltage, low-noise, current-mode PWM controller designed for use in DC-DC converters.

  2. Q: What is the input voltage range supported by the MAX5008CUB? A: The MAX5008CUB supports an input voltage range from 4.5V to 28V.

  3. Q: What is the output voltage range that can be achieved using the MAX5008CUB? A: The MAX5008CUB can generate output voltages ranging from 0.6V to 90% of the input voltage.

  4. Q: Can the MAX5008CUB handle high currents? A: Yes, the MAX5008CUB can handle high currents up to 1.5A.

  5. Q: Is the MAX5008CUB suitable for battery-powered applications? A: Yes, the MAX5008CUB is suitable for battery-powered applications as it has a low quiescent current and supports low dropout operation.

  6. Q: Does the MAX5008CUB have built-in protection features? A: Yes, the MAX5008CUB includes overcurrent protection, thermal shutdown, and undervoltage lockout features.

  7. Q: Can the MAX5008CUB be used in both step-up and step-down converter configurations? A: Yes, the MAX5008CUB can be used in both step-up (boost) and step-down (buck) converter configurations.

  8. Q: What is the switching frequency range of the MAX5008CUB? A: The MAX5008CUB has a switching frequency range from 100kHz to 600kHz.

  9. Q: Does the MAX5008CUB require external compensation components? A: No, the MAX5008CUB does not require external compensation components as it is internally compensated.

  10. Q: What package options are available for the MAX5008CUB? A: The MAX5008CUB is available in a 10-pin µMAX package and a 10-pin TDFN package.