MAX16974AUE/V+

Voltage - Output (Min/Fixed):	1V (5V)
Base Part Number:	MAX16974
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	220kHz ~ 2.2MHz
Current - Output:	2A
Voltage - Output (Max):	10V
Series:	Automotive, AEC-Q100
Voltage - Input (Max):	28V
Voltage - Input (Min):	3.5V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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• Introduction

MAX16974AUE/V+ is an integrated switching regulator, which is optimized for use in automotive and industrial applications. It is part of Texas Instruments\' PMIC (Power Management ICs) range, and is designed to provide a high performance, yet cost-effective solution to a wide range of voltage regulating requirements. This article will discuss the application fields of the MAX16974AUE/V+, as well as its working principle.

• Application fields

The MAX16974AUE/V+ is designed for use in a wide variety of automotive and industrial applications. It is suitable for providing an adjustable output voltage for powering a wide range of electronic components, such as microprocessors, microcontrollers, converters and power amplifiers. It is well-suited to both battery-powered and mains-powered applications, due to its efficient operation, low output ripple and low power consumption.Furthermore, the MAX16974AUE/V+ is highly efficient, offering up to 90% energy efficiency. This makes it a particularly attractive solution in green energy applications, such as solar energy, wind energy and hydroelectricity, as it reduces energy losses to a minimum.In addition, the MAX16974AUE/V+ is compliant with the RoHS (Restriction of Hazardous Substances) policy, indicating that it is free from lead and other hazardous substances. This makes it an ideal choice for environmentally conscious applications.

• Working principle

The MAX16974AUE/V+ is based on a switching regulator topology, commonly used in voltage regulating circuits. This type of regulator combines elements of both linear and switched-mode (SMPS) regulators to create an efficient and cost-effective system.The MAX16974AUE/V+ utilizes an integrated voltage regulator, consisting of a metal-oxide-semiconductor field-effect transistor (MOSFET) and a pulse-width-modulated (PWM) control circuit. The regulator works by rapidly switching the MOSFET on and off, thereby controlling the quantity of current passing through the regulator. This process creates a regulated output voltage, based on the input voltage and the desired output level.The MAX16974AUE/V+ is designed to operate in either continuous or discontinuous conduction mode (CCM and DCM). The operating mode is determined by the input voltage, output voltage, working frequency and load parameters. In CCM, the inductor current is continually flowing, while in DCM, the inductor current comes to a halt before being discharged and restarted again. Both modes are advantageous in different conditions, and can be used to optimize the performance of the regulator based on the specific requirements of the application.The MAX16974AUE/V+ is also equipped with an overvoltage protection (

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