MAX868EUB+T

Voltage - Output (Min/Fixed):	-Vin, 2Vin
Base Part Number:	MAX868
Supplier Device Package:	10-uMAX
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	270kHz ~ 630kHz
Current - Output:	30mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric
Part Status:	Active
Packaging:	Tape & Reel (TR)

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## IntroductionThe MAX868EUB+T is perfect for applications that require a low noise, low power, bidirectional, synchronous step-down DC/DC regulator circuit. It offers excellent power performance and efficiency, as well as smooth transition between input and output. This makes it ideal for smartphones, tablets, laptop and PC devices, as well as for automotive applications. ## Features The MAX868EUB+T has a wide range of features which make it highly suitable for a range of applications. It has a dual-mode: Lightweight Boot Mode or Radiative Mode, clock frequency control circuitry and an integrated soft-start function. It supports multiple input voltage sources, has adjustable output voltage and current limits, and an integrated current-sensing circuit. It also has an adjustable output voltage range from 1.2 V to 3.6 V and a maximum output current of 3 A. ## Application FieldThe MAX868EUB+T is ideal for a range of low-power, low-noise, bidirectional DC/DC regulator applications. It is suitable for use in smartphones, tablets, laptop and PC devices, as well as automotive applications. It can regulate the input voltage to an adjustable voltage output with a maximum current of 3 A. It is highly efficient and offers excellent switching performance.## Working PrincipleThe MAX868EUB+T operates by stepping down the input voltage to the required output voltage. It uses a synchronous step-down method for regulation, which results in low noise and high efficiency. The converter operates in two modes: Lightweight Boot Mode or Radiative Mode. In the Radiative Mode, the output voltage is regulated by varying the main clock frequency of the DC/DC converter circuit. The main clock of the converter is generated by an oscillator, which is tuned to match the output voltage requirements. The MAX868EUB+T also supports multiple input voltage sources. It senses the current drawn from the input voltage sources and adjusts the output voltage accordingly. It also has an integrated soft-start function, which helps reduce inrush currents at start up. ## ConclusionThe MAX868EUB+T is an efficient, low noise and low power DC/DC regulator that can regulate a wide range of input voltages to an adjustable output voltage. It supports multiple input voltage sources, has an adjustable output voltage range from 1.2 V to 3.6 V, and a maximum output current of 3 A. It has a dual mode: Lightweight Boot Mode or Radiative Mode, as well as an integrated current-sensing circuit. The MAX868EUB+T is perfect for low-power, low-noise applications such as smartphones, tablets, laptop and PC devices, as well as automotive applications.

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