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MAX17543ATP+T

Name: MAX17543ATP+T
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 2.5A 20TQFN

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規格

Series	Himalaya
Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	42V
Voltage - Output (Min/Fixed)	0.9V
Voltage - Output (Max)	37.8V
Current - Output	2.5A
Frequency - Switching	100kHz ~ 2.2MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	20-WFQFN Exposed Pad
Supplier Device Package	20-TQFN (4x4)
Base Product Number	MAX17543

概述

Description

The MAX17543ATP+T is a high-efficiency, synchronous step-down DC-DC converter designed for a wide input voltage range of 4.5V to 60V. It delivers up to 3A output current, making it suitable for various applications including industrial, automotive, and communications. The device features a maximum output voltage of 15V, adjustable via external resistors, and includes functions such as under-voltage lockout, thermal shutdown, and a power-good indicator.
Key features include a high switching frequency of up to 1MHz, allowing for smaller inductors and capacitors, and a peak efficiency of up to 95%. The MAX17543ATP+T also supports Power Save Mode for improved efficiency at low load conditions. The device is packaged in a compact, thermally efficient HTQFN-16 package, making it suitable for space-constrained designs. With its robust performance and versatile features, the MAX17543ATP+T is ideal for powering microcontrollers, sensors, and other electronic devices in various demanding environments.

Features

The MAX17543ATP+T is a high-efficiency, step-down (buck) DC-DC converter designed for a wide input voltage range and offers several key features:
1. Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various applications.
2. Output Current: Delivers up to 3A continuous output current.
3. High Efficiency: Achieves efficiencies up to 95% to minimize thermal dissipation.
4. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V via external resistors.
5. Low Quiescent Current: Features a quiescent current of just 10µA, enhancing battery life in portable applications.
6. Integrated Switch: Incorporates high-side MOSFET, reducing external component count.
7. Protection Features: Includes thermal shutdown, overcurrent protection, and undervoltage lockout.
8. Small Package: Available in a compact 16-pin TQFN package, ideal for space-constrained designs.
These features make the MAX17543ATP+T suitable for industrial, automotive, and consumer applications.

Package

The MAX17543ATP+T is packaged in a 16-pin TQFN (Thin Quad Flat No-leads) package. This type of package provides a compact design and efficient thermal performance, making it suitable for high-density applications.

Pinout

The MAX17543ATP+T is a high-voltage, step-down (buck) DC-DC converter with a pin count of 16. Its key functions include:
1. Input Voltage Range: Accepts input voltages from 4.5V to 60V.
2. Output Voltage: Adjustable output voltage from 0.8V to 24V.
3. Switching Frequency: Adjustable up to 1 MHz.
4. Efficiency: High efficiency up to 95%.
5. Protection Features: Includes overvoltage, overcurrent, and thermal protection.
6. Soft-Start: Features soft-start to limit inrush current.
7. Power Good: Provides a power-good signal to indicate the output status.
The device is suitable for various applications requiring efficient power conversion in compact designs.

Manufacturer

The MAX17543ATP+T is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global leader in the design and manufacturing of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company specializes in providing high-performance solutions for various applications, including communications, automotive, industrial automation, and consumer electronics. With a strong focus on innovation and technology, Analog Devices develops products that enhance the performance and efficiency of electronic systems across multiple sectors.

Application

The MAX17543ATP+T is a high-efficiency, synchronous step-down DC-DC converter designed for applications such as power management in industrial equipment, battery-powered devices, automotive systems, and telecommunications. It is suitable for powering microcontrollers, FPGAs, and sensors, as well as for use in point-of-load regulation and distributed power systems. Its features include wide input voltage range, adjustable output voltage, and low quiescent current, making it ideal for a variety of power supply needs.

Equivalent

The MAX17543ATP+T is a high-efficiency, step-down DC-DC converter. Equivalent products include the TPS563202 from Texas Instruments, the LM2596 from Texas Instruments, and the LTC3780 from Analog Devices. Each of these alternatives offers similar voltage and current ratings, but it's essential to consider specific application requirements and features when selecting a substitute. Always check datasheets for detailed specifications and compatibility.