MAX16990ATCC/V+T

Voltage - Supply (Vcc/Vdd):	4.5 V ~ 36 V
Supplier Device Package:	12-TQFN (3x3)
Package / Case:	12-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:	No
Duty Cycle (Max):	93%
Frequency - Switching:	220kHz ~ 1MHz
Series:	Automotive, AEC-Q100
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, SEPIC
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

MAX16990ATCC/V+T is a DC-DC switching controller IC which has excellent performance and is suitable for various applications in the field of power management. The integrated device can be independently operated as a current-mode buck, Boost or Buck-Boost controller, making it suitable for a wide range of Voltage Regulation applications. This article will discuss the application field, working principle and advantages of the MAX16990ATCC/V+T.

Application Field

The MAX16990ATCC/V+T is suitable for a wide range of applications, including portable systems such as mobile phones and other handheld systems, as well as automotive and industrial applications. The device can be used in a variety of power conversion circuits, and it can also be used in high frequency switching circuits, including voltage step-up, buck and boost converters, DC/DC power-supply, boost and buck controllers, and other applications.The device is also suitable for switching power supplies in a variety of electronic equipment, such as laptop computers, LCD monitors, motor controllers, LED back-lighting, etc. The device is also suitable for low-voltage, high power LED lighting systems.

Working Principle

The MAX16990ATCC/V+T has three operating modes, namely, current mode, voltage mode and pulse-width modulation (PWM) mode. In current mode, the output voltage is regulated by controlling the current through the power switch based on the current sense signal. In voltage mode, the output voltage is regulated by controlling the duty cycle of the power switch based on the FB signal. In PWM mode, the output voltage is regulated by controlling the duty cycle of the power switch based on the reference voltage.

Features and Advantages

The MAX16990ATCC/V+T is an advanced DC-DC switching controller IC with a number of features and advantages. The device has an integrated current sense amplifier and MOSFET driver which helps to minimize external parts count and improve system performance. The device has an adjustable switching frequency and current limit to provide flexibility and customization.The device operates from a wide range of input supply voltages, from 3.5V to 60V, and is capable of driving MOSFETs up to 100V drain-source voltage (VDS). The device features a wide operating temperature range of -40 ºC to +125 ºC, which make it suitable for harsh environment applications.In addition, the device has a fast response time, low power dissipation, high accuracy, and low noise operation. The device is housed in a small and thermally enhanced 6-pin DFN package, making it suitable for space-constrained applications.

Conclusion

MAX16990ATCC/V+T is a DC-DC switching controller IC which is suitable for a wide range of Voltage Regulation applications. The device features a wide input voltage range, wide operating temperature range, low power dissipation, high accuracy and low noise operation. The device has an integrated current sense amplifier and MOSFET driver, and a fast response time which helps to improve system performance and minimize external parts count. The device is packaged in a small 6-pin DFN package, making it suitable for space-constrained applications.

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