MAX16909RAUE+CFZ

Voltage - Output (Min/Fixed):	1V (5V)
Base Part Number:	MAX16909
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:	400kHz
Current - Output:	3A
Voltage - Output (Max):	10V
Series:	--
Voltage - Input (Max):	36V
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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MAX16909RAUE+CFZ Application Field and Working Principle

The MAX16909RAUE+CFZ is a DC/DC switching regulator integrated circuit from Maxim Integrated Products that is used in a wide variety of applications. This device is capable of providing high levels of efficiency and excellent regulation accuracy over a range of input voltages with its buck topology. It has three integrated channels, one for a main buck regulator and two for dual linear regulators, making it a versatile device for applications where separate control of both the main and the linear channels is required.The MAX16909RAUE+CFZ supports an input voltage range of 2.7V to 5.5V and can supply up to 24V of output voltage. With such a wide input voltage range, this device is suitable for applications including automotive and industrial DC/DC converters. The device can be used as a step-down, step-up, or inverting synchronous buck regulator, as well as as a linear regulator, and can also be used for voltage tracking applications.The MAX16909RAUE+CFZ is equipped with a wide variety of advanced protection features such as over-voltage, under-voltage, and thermal protection. It also comes with a precision power-on reset output to ensure reliable system initialization. The device can switch at up to 4MHz and has a minimum on-resistance of 0.7Ω which ensures a high efficiency even at light loads. The device can optionally be configured to operate as a dual-phase Buck Converter by connecting an external inductor and a single external Schottky diode, providing even higher efficiency and faster transient response.The MAX16909RAUE+CFZ integrated circuit provides users with a powerful and versatile DC/DC converter that can be used in a wide range of applications. It provides excellent efficiency, advanced protection and power-on reset features, and can operate in a variety of modes and configurations for maximum flexibility. The working principle of the MAX16909RAUE+CFZ DC/DC switching regulator IC is based on the buck converter topology. In this configuration, the device steps down a higher input voltage to a lower output voltage, thus providing an efficient and accurate means of power conversion.To begin, the input voltage is applied to the device through an input pin. The device then consists of an internal power switch, an inductor and an output capacitor, which together form a closed loop. The power switch is generally implemented using a PMOS or NMOS transistor, and is connected to the input voltage. When the switch is closed, the input voltage is applied across the inductor, causing it to store energy. The inductor acts like a spring, storing and releasing energy in a controlled manner. The device then synchronously opens the switch and the stored energy in the inductor is poured into the output capacitor. This creates a voltage drop across the capacitor, resulting in a lowered output voltage. Additionally, the current waveform entering the output capacitor is also limited, thus preventing sudden inrush currents at startup. The device then repeats the process in a continuous manner, thus providing a steady and regulated output voltage. The MAX16909RAUE+CFZ is a powerful and versatile DC/DC switching regulator integrated circuit that is capable of providing excellent efficiency and accurate regulation over a wide input voltage range. It can be used in a variety of applications including automotive and industrial DC/DC converters, and can also be used for voltage tracking applications with its dual-phase buck converter configuration. The device also offers advanced protection features and can operate at up to 4MHz, providing high levels of efficiency even at light loads.

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