MAX17507ETJ+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17507ETJ+ is a high-efficiency, synchronous step-down DC-DC converter. It is designed to provide a regulated output voltage from a wide input voltage range. This IC is commonly used in various electronic devices and systems that require efficient power conversion.

Characteristics: - High efficiency: The MAX17507ETJ+ offers high efficiency over a wide load range, minimizing power losses and maximizing battery life. - Wide input voltage range: It can accept input voltages ranging from 4.5V to 60V, making it suitable for a wide range of applications. - Adjustable output voltage: The output voltage can be adjusted using external resistors, allowing flexibility in system design. - Current limit protection: The IC incorporates current limit protection to prevent damage to the device and connected components during overload conditions.

Package: The MAX17507ETJ+ is available in a compact 32-pin TQFN package, which provides good thermal performance and ease of integration into circuit boards.

Essence: The essence of the MAX17507ETJ+ lies in its ability to efficiently convert high input voltages to regulated lower output voltages, enabling reliable power supply in various electronic systems.

Packaging/Quantity: The MAX17507ETJ+ is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: Adjustable (based on external resistors)
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%

Detailed Pin Configuration

The MAX17507ETJ+ features a total of 32 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node connection
4. FB: Feedback voltage input pin
5. EN: Enable pin
6. SS/TR: Soft-start/Tracking pin
7. PGND: Power ground pin
8. LX: Inductor connection pin 9-16. NC: No connect pins
9. VCC: Supply voltage pin
10. AGND: Analog ground pin 19-32. NC: No connect pins

Functional Features

The MAX17507ETJ+ offers the following functional features:

1. High Efficiency: The IC utilizes a synchronous rectification architecture, resulting in minimal power losses and high efficiency.
2. Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, allowing customization for specific application requirements.
3. Current Limit Protection: The IC incorporates current limit protection to prevent excessive current flow, ensuring the safety and reliability of the device and connected components.
4. Soft-Start Function: The soft-start feature allows for controlled startup, reducing inrush current and minimizing stress on the system during power-up.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Current limit protection - Compact package size

Disadvantages: - Limited maximum output current (3A) - Requires external resistors for output voltage adjustment

Working Principles

The MAX17507ETJ+ operates based on a pulse-width modulation (PWM) control scheme. It uses an internal oscillator to generate a high-frequency switching signal that controls the duty cycle of the power switches. This duty cycle determines the average output voltage by regulating the energy transfer from the input to the output.

During operation, the input voltage is stepped down to the desired output voltage by the integrated power switches and inductor. The synchronous rectification mechanism minimizes power losses during switching transitions, resulting in high efficiency.

Detailed Application Field Plans

The MAX17507ETJ+ finds applications in various fields, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Power distribution systems - Battery-powered devices - LED lighting systems

Its ability to efficiently convert high input voltages to regulated lower output voltages makes it suitable for a wide range of electronic systems requiring reliable power supply.

Detailed and Complete Alternative Models

1. TPS54332: A similar synchronous step-down DC-DC converter with adjustable output voltage and high efficiency.
2. LT8610: Another high-efficiency synchronous step-down converter offering a wide input voltage range and adjustable output voltage.
3. LM2596: A popular non-synchronous step-down converter with adjustable output voltage and good overall performance.

These alternative models provide similar functionality and can be considered as alternatives to the MAX17507ETJ+ based on specific application requirements.

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