MAX5060ATI+T

Frequency - Switching:	125kHz ~ 1.5MHz
Base Part Number:	MAX5060
Supplier Device Package:	28-TQFN (5x5)
Package / Case:	28-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Enable, Frequency Control, Power Good
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4.75 V ~ 28 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX5060ATI+T Application Field and Working Principle

MAX5060ATI+T is a DC-DC switching controller that is typically used in a variety of power management applications. It is manufactured by Maxim Integrated products and is designed to provide more efficient and reliable system power management for applications requiring a wide input voltage variation and high power output.

Overview

The MAX5060ATI+T is a high-efficiency, synchronous, step-down switching regulator that provides a regulated voltage from a wide-range of input sources. The MAX5060ATI+T has an integrated high-side power MOSFET combined with low-voltage circuitry designed to simplify board layout and reduce system costs. The device provides adjustable voltage regulation from an input voltage up to 60 V and a maximum output current of up to 5 A. In addition, the MAX5060ATI+T utilizes a synchronous PWM architecture to bring improved efficiency and other vital features include adjustable soft-start, adjustable output voltage, programmable switching frequency, and diagnostic alarm outputs.

Features

The main benefit to using the MAX5060ATI+T includes its efficiency. The device is capable of achieving up to 95% efficiency in heavy load applications, and its wide input voltage range ensures that the regulator can easily manage almost any input voltage variation. The adjustable output voltage option allows for more precise control of system power needs, and the adjustable soft-start feature prevents current surges during startup, ensuring optimal system performance.In addition, the MAX5060ATI+T provides a programmable switching frequency of up to 600 kHz, allowing for faster system response rates in power-sensitive applications. The device also features an integrated, adjustable current-limit circuit that allows for the safe operation of the system, and it is protected from over-voltage conditions, allowing for better system protection in harsh operating conditions.The MAX5060ATI+T is also designed to be easy to use, with built-in diagnostic alarms that alert the user when an operating fault is detected. The device is also pin- and software-compatible with previous MAX5060 switching regulators and supports a range of environmental conditions ranging from -40 to +85°C.

Working Principle

The working principle of the MAX5060ATI+T is relatively straightforward. When power is applied, the device performs a power-on reset that allows the internal oscillator and current controller to begin operation. The internal oscillator is used to generate a frequency necessary drive the MOSFET, while the current controller monitors the MOSFET current and adjusts the oscillator frequency as needed.The current controller then generates a pulse-width modulation (PWM) signal to control the MOSFET’s on-time. The PWM signal is also used to regulate the output voltage as the MOSFET’s on-time is varied. In order to track the input and output voltages, the MAX5060ATI+T features an integrated voltage-sensing circuit that is used to adjust the output voltage as the input voltage changes.

Conclusion

The MAX5060ATI+T is a versatile and efficient DC-DC switching controller that provides superior system performance and reliability. Its wide input voltage range and adjustable output voltage allow for precise control of system power, while its adjustable soft-start feature and over-voltage protection ensure safe and reliable operation. The MAX5060ATI+T is designed for optimal efficiency and is suitable for a wide variety of power management applications.

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