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MAX1687EUE+T
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MAX1687EUE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 16-TSSOP
  • Essence: Voltage Regulator and Current Controller for LED Lighting Applications
  • Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 0.2V to 37V
  • Maximum Output Current: 350mA
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1687EUE+T has a 16-pin TSSOP package with the following pin configuration:

  1. VCC
  2. GND
  3. FB
  4. EN
  5. ADJ
  6. LX
  7. SW
  8. PGND
  9. AGND
  10. ISET
  11. SS
  12. COMP
  13. CS
  14. RAMP
  15. VREF
  16. REF

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency and low power consumption make it suitable for battery-powered devices.
  • Integrated voltage regulator and current controller simplify LED driver circuit design.
  • Adjustable output voltage and current enable customization for specific LED requirements.
  • Built-in protection features such as overvoltage and overcurrent protection enhance system reliability.

Advantages and Disadvantages

Advantages: - Wide input voltage range provides flexibility in various applications. - High efficiency results in energy savings and longer battery life. - Integrated voltage regulator and current controller reduce external component count. - Adjustable output voltage and current allow for customization. - Built-in protection features enhance system reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power LED applications. - 16-pin TSSOP package may require careful PCB layout and soldering.

Working Principles

The MAX1687EUE+T is a voltage regulator and current controller specifically designed for driving LEDs. It operates by converting the input voltage to a regulated output voltage, while controlling the LED current to maintain brightness and efficiency. The device utilizes a high-frequency switching regulator to achieve high efficiency and low power consumption. It also incorporates a feedback loop to regulate the output voltage and current, ensuring stable LED performance.

Detailed Application Field Plans

The MAX1687EUE+T is widely used in various LED lighting applications, including: - Automotive lighting - Backlighting for LCD displays - Signage and advertising displays - Architectural and decorative lighting - Portable and battery-powered lighting devices

Detailed and Complete Alternative Models

  • MAX1686EUE+T: Similar specifications and features, but with a lower maximum output current of 250mA.
  • MAX1688EUE+T: Higher maximum output current of 500mA, suitable for higher-power LED applications.
  • MAX1689EUE+T: Integrated boost converter for driving multiple LEDs in series.

These alternative models offer different output current capabilities and additional features to cater to specific application requirements.

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技術ソリューションにおける MAX1687EUE+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 MAX1687EUE+T:

  1. Q: What is the MAX1687EUE+T?
    A: The MAX1687EUE+T is a high-voltage, current-mode PWM controller designed for driving high-brightness LEDs.

  2. Q: What is the input voltage range supported by the MAX1687EUE+T?
    A: The MAX1687EUE+T supports an input voltage range from 4.5V to 40V.

  3. Q: Can the MAX1687EUE+T be used to drive multiple LEDs in series?
    A: Yes, the MAX1687EUE+T can be used to drive multiple LEDs in series by adjusting the output voltage accordingly.

  4. Q: Does the MAX1687EUE+T have built-in protection features?
    A: Yes, the MAX1687EUE+T includes overvoltage protection, undervoltage lockout, and thermal shutdown features.

  5. Q: What is the maximum switching frequency of the MAX1687EUE+T?
    A: The MAX1687EUE+T has a maximum switching frequency of 1MHz.

  6. Q: Can the MAX1687EUE+T be used in automotive applications?
    A: Yes, the MAX1687EUE+T is suitable for automotive applications as it operates over a wide temperature range and has built-in protection features.

  7. Q: How does the MAX1687EUE+T control LED brightness?
    A: The MAX1687EUE+T uses a current-mode PWM control scheme to regulate LED brightness.

  8. Q: Can the MAX1687EUE+T be used with different types of LEDs?
    A: Yes, the MAX1687EUE+T can be used with various types of LEDs, including high-brightness and low-power LEDs.

  9. Q: Does the MAX1687EUE+T require external components for operation?
    A: Yes, the MAX1687EUE+T requires external components such as resistors, capacitors, and an inductor for proper operation.

  10. Q: What is the typical efficiency of the MAX1687EUE+T?
    A: The typical efficiency of the MAX1687EUE+T is around 90%, making it suitable for energy-efficient lighting 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 application notes provided by the manufacturer for detailed information.