Maxim Integrated
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MAX1687EUE
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MAX1687EUE

Product Overview

The MAX1687EUE belongs to the category of voltage-mode PWM controllers. It is commonly used in power management applications, offering characteristics such as high efficiency, precise control, and compact package size. The MAX1687EUE comes in a 16-pin TSSOP package and is available in quantities suitable for small to medium-scale production.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0V to 28V
  • Operating Temperature Range: -40°C to +125°C
  • Oscillator Frequency Range: 100kHz to 500kHz
  • Maximum Duty Cycle: 100%

Detailed Pin Configuration

The MAX1687EUE features the following pin configuration: 1. VCC 2. GND 3. FB 4. COMP 5. SS/TRK 6. RT/CLK 7. CT 8. SYNC 9. PGND 10. LX 11. LX 12. LX 13. NC 14. NC 15. NC 16. NC

Functional Features

  • Voltage-mode PWM control
  • Adjustable soft-start/tracking
  • Synchronization capability
  • Overvoltage protection
  • Overcurrent protection
  • Thermal shutdown

Advantages and Disadvantages

Advantages

  • High efficiency
  • Precise voltage regulation
  • Compact package size
  • Comprehensive protection features

Disadvantages

  • Limited input voltage range
  • Requires external components for full functionality

Working Principles

The MAX1687EUE operates on the principle of voltage-mode pulse-width modulation (PWM) control. It regulates the output voltage by adjusting the duty cycle of the PWM signal based on the feedback from the output voltage. This allows for precise control over the output voltage, while the integrated protection features ensure safe operation under various conditions.

Detailed Application Field Plans

The MAX1687EUE is well-suited for a wide range of applications, including: - LED lighting systems - Automotive lighting - Industrial power supplies - Battery chargers - DC-DC converters

Detailed and Complete Alternative Models

Some alternative models to the MAX1687EUE include: - MAX16826 - MAX16833 - MAX16834 - MAX16835

In summary, the MAX1687EUE is a versatile voltage-mode PWM controller with a wide range of applications and comprehensive features, making it an ideal choice for power management solutions in various industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1687EUE v technických řešeních

  1. What is the MAX1687EUE?

    • The MAX1687EUE is a step-up, current-mode, PWM controller for driving high-brightness LEDs.

  2. What is the input voltage range of the MAX1687EUE?

    • The input voltage range of the MAX1687EUE is 4.5V to 28V.

  3. What is the maximum output current of the MAX1687EUE?

    • The MAX1687EUE can deliver a maximum output current of 1A.

  4. What is the typical switching frequency of the MAX1687EUE?

    • The typical switching frequency of the MAX1687EUE is 300kHz.

  5. What are the key features of the MAX1687EUE?

    • The key features of the MAX1687EUE include integrated power switch, thermal shutdown, LED overvoltage protection, and adjustable soft-start.

  6. How can I configure the output current of the MAX1687EUE?

    • The output current of the MAX1687EUE can be configured using an external sense resistor.

  7. What type of applications is the MAX1687EUE suitable for?

    • The MAX1687EUE is suitable for driving high-brightness LEDs in automotive, industrial, and general lighting applications.

  8. Does the MAX1687EUE have built-in protection features?

    • Yes, the MAX1687EUE includes LED overvoltage protection and thermal shutdown to ensure safe operation.

  9. Can the MAX1687EUE operate in a dimming mode?

    • Yes, the MAX1687EUE supports analog dimming through the CTRL pin.

  10. Is there a reference design available for the MAX1687EUE?

    • Yes, Maxim Integrated provides reference designs and application notes for implementing the MAX1687EUE in various technical solutions.