MAX8598ETE+

Frequency - Switching:	200kHz ~ 1.4MHz
Base Part Number:	MAX8598
Supplier Device Package:	16-TQFN (4x4)
Package / Case:	16-WQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4.5 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:	Tube

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<p>The MAX8598ETE+ is a DC/DC switching controller designed for use with a wide variety of Power Management Integrated Circuit (PMIC) applications. The integrated SMBus interface connects the device to a system\'s bus for providing advanced features and accurate control of output power delivery. The MAX8598ETE+ features a quasi-constant frequency (QCF) single-loop controlling architecture that provides an adjustable output voltage range of 0.645V to 0.950V in 0.0125V steps. A wide range of output current ranges may be selected to allow up to 10A of output current while utilizing a minimum of external components. Additionally, the MAX8598ETE+ has an externally adjustable output voltage that\'s fully adjustable within the range of 0.651V to 0.852V in 0.0125V steps. An additional output voltage setting is available at 0.9V to provide a very low output voltage drop at light loads.</p> <p>The MAX8598ETE+ features ultra-fast transient response to small load steps. The device has built-in soft start and over temperature protection to ensure compatibility across a wide range of applications. The MAX8598ETE+ provides a comprehensive set of features to ensure robust, reliable operation for applications such as gaming consoles, mobile phones, PDAs, and digital cameras. The MAX8598ETE+ utilizes a proprietary quasi-resonant DC/DC conversion topology that combines both constant frequency pulse width modulation (PWM) and variable frequency pulse width modulation (PWM) operating modes. This topology, combined with advanced digital compensation techniques, enables the device to bridge the gap between conventional voltage-mode PWM and digital control.</p> <p>The MAX8598ETE+ includes a digital soft-start function that gradually increases output voltage to the desired level. Soft-start helps to prevent output voltage overshoot during start-up, and also helps to reduce inrush current. Additionally, the MAX8598ETE+ provides power sequencing with one enable signal per channel, as well as output voltage tracking, overcurrent protection and over-temperature protection. The MAX8598ETE+ also features programmable slopes and selects digitally controlled resistors for adaptation to the system environment.</p> <p>The MAX8598ETE+ is an ideal solution for applications requiring high-efficiency, low-ripple, power-efficient DC/DC switching. The device\'s proprietary quasi-resonant topology, low component count and high peak efficiency enable an excellent level of system performance in the required output voltage range. This makes the device an ideal choice for designs that require high efficiency, precise output voltage regulation and low component count. The MAX8598ETE+ also provides a cost-effective solution for system designs that require precise output voltage control, low component count and space savings.</p> <p>The MAX8598ETE+ DC/DC switching controller is designed to operate over the full range of automotive temperature conditions, from -40°C to 125°C. It is available in a 32-pin QFN surface-mount package, which supports a wide variety of open-loop and loop-closed operation, allowing for a wide range of output voltage adjustment. The package also includes a integrated power save mode, allowing the device to enter a low power state during system idle periods, reducing power consumption and extending battery life.</p> <p>In summary, the MAX8598ETE+ is a robust and reliable DC/DC switching controller that provides ultra-fast transient response, flexible output voltage settings and high efficiency. It is an ideal solution for applications that require precise output voltage control over a wide temperature range, low component count and space savings.</p>

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