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MAX5987BETE+
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MAX5987BETE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX5987BETE+ is a highly efficient, quad-output power supply controller designed for use in various electronic devices. It provides regulated voltages to power multiple components within a system.

Characteristics: - Quad-output power supply controller - High efficiency - Regulated voltage output - Suitable for various electronic devices

Package: The MAX5987BETE+ comes in a small 16-pin TQFN package, which ensures compactness and ease of integration into electronic systems.

Essence: The essence of the MAX5987BETE+ lies in its ability to efficiently regulate and distribute power to multiple components within an electronic device, ensuring stable and reliable operation.

Packaging/Quantity: The MAX5987BETE+ is typically sold in reels containing 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 2A per channel
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX5987BETE+ features a 16-pin TQFN package with the following pin configuration:

  1. VIN1: Input voltage for Channel 1
  2. VIN2: Input voltage for Channel 2
  3. VIN3: Input voltage for Channel 3
  4. VIN4: Input voltage for Channel 4
  5. GND: Ground
  6. VOUT1: Output voltage for Channel 1
  7. VOUT2: Output voltage for Channel 2
  8. VOUT3: Output voltage for Channel 3
  9. VOUT4: Output voltage for Channel 4
  10. FB1: Feedback pin for Channel 1
  11. FB2: Feedback pin for Channel 2
  12. FB3: Feedback pin for Channel 3
  13. FB4: Feedback pin for Channel 4
  14. EN: Enable pin
  15. PG: Power Good indicator
  16. SS/TRK: Soft-start/Tracking control pin

Functional Features

  • Quad-output power supply control: The MAX5987BETE+ can regulate and control four independent output voltages simultaneously.
  • High efficiency: With an efficiency of up to 95%, it minimizes power loss and maximizes energy utilization.
  • Overcurrent protection: The device incorporates overcurrent protection to prevent damage to the system during abnormal operating conditions.
  • Power Good indicator: The PG pin provides a signal indicating when all outputs are within their specified voltage range, ensuring proper system operation.

Advantages and Disadvantages

Advantages: - Efficient power distribution to multiple components - Compact package size for easy integration - Overcurrent protection for system safety - Power Good indicator for monitoring system status

Disadvantages: - Limited to quad-output configuration - Requires external components for complete power supply implementation

Working Principles

The MAX5987BETE+ operates by regulating the input voltage and distributing it to the four output channels. It utilizes a combination of feedback control loops and switching techniques to maintain the desired output voltages. The device continuously monitors the output voltages and adjusts the control signals accordingly to ensure stability and accuracy.

Detailed Application Field Plans

The MAX5987BETE+ finds applications in various electronic devices that require multiple regulated power supplies. Some potential application fields include: - Industrial automation systems - Telecommunications equipment - Networking devices - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

  • MAX5987BETE: Similar to MAX5987BETE+, but without the "+" suffix, indicating a different package or temperature range.
  • MAX5986BETE+: A similar quad-output power supply controller with slightly different specifications and pin configuration.
  • MAX5988BETE+: Another alternative with enhanced features and higher output current capability.

These alternative models offer flexibility in selecting the most suitable power supply controller based on specific requirements and constraints.

In conclusion, the MAX5987BETE+ is a highly efficient quad-output power supply controller designed for various electronic devices. Its compact size, high efficiency, and multiple functional features make it an ideal choice for applications requiring regulated power distribution.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MAX5987BETE+ i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MAX5987BETE+ in technical solutions:

  1. Q: What is the MAX5987BETE+? A: The MAX5987BETE+ is a power management IC (PMIC) specifically designed for Power over Ethernet (PoE) applications.

  2. Q: What is Power over Ethernet (PoE)? A: PoE is a technology that allows both power and data to be transmitted over a single Ethernet cable, eliminating the need for separate power cables.

  3. Q: What are the key features of the MAX5987BETE+? A: The MAX5987BETE+ features integrated power MOSFETs, a DC-DC controller, and various protection mechanisms to enable efficient and reliable PoE implementations.

  4. Q: What is the maximum power output of the MAX5987BETE+? A: The MAX5987BETE+ can deliver up to 25.5W of power per port, compliant with the IEEE 802.3af/at standards.

  5. Q: Can the MAX5987BETE+ support multiple PoE ports? A: Yes, the MAX5987BETE+ supports up to four independent PoE ports, allowing simultaneous power delivery to multiple devices.

  6. Q: Does the MAX5987BETE+ provide any protection features? A: Yes, the MAX5987BETE+ includes features like overcurrent protection, thermal shutdown, and under-voltage lockout to ensure safe operation and protect against faults.

  7. Q: What is the input voltage range supported by the MAX5987BETE+? A: The MAX5987BETE+ supports an input voltage range of 36V to 57V, which is typical for PoE applications.

  8. Q: Can the MAX5987BETE+ be used in both 10/100Mbps and Gigabit Ethernet systems? A: Yes, the MAX5987BETE+ is compatible with both 10/100Mbps and Gigabit Ethernet systems, making it versatile for various network setups.

  9. Q: Does the MAX5987BETE+ require any external components for operation? A: Yes, the MAX5987BETE+ requires a few external components such as input capacitors, output inductors, and resistors for proper functionality.

  10. Q: What are some typical applications of the MAX5987BETE+? A: The MAX5987BETE+ is commonly used in applications like IP phones, wireless access points, security cameras, and other devices that require power over Ethernet.

Please note that these answers are general and may vary depending on specific implementation requirements.