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MAX8855ETJ+

DC/DC Switching Regulator, Synchronous, 2 Output, 2.25 V - 3.6 V in, 3.3 V/5 A out, 2 MHz, TQFN-32

MAX8855ETJ+ - DC/DC Switching Regulator, Synchronous, 2 Output, 2.25 V - 3.6 V in, 3.3 V/5 A out, 2 MHz, TQFN-32

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Manufacturer Part No:
MAX8855ETJ+
Order Code:
2513981
Technical Datasheet:
MAX8855ETJ+   Datasheet
See all Technical Docs

Product Overview

The MAX8855ETJ+ is a dual, 5A, 2MHz step-down regulator in 32 pin TQFN package. This high efficiency, dual step-down regulator is capable of delivering up to 5A at each output. It provide output voltages from 0.6V to 0.9 x VIN, total output error is less than ±1% over load, line and temperature making it ideal for onboard point-of-load applications. It operate in PWM mode with a switching frequency ranging from 0.5MHz to 2MHz, set by an external resistor. It can also be synchronized to an external clock in the same frequency range. Two internal switching regulators operate 180° out-of-phase to reduce the input ripple current and consequently reduce the required input capacitance. The high operating frequency minimizes the size of external components. High efficiency, internal dual-nMOS design keeps board cool under heavy loads. It is used in ASIC/CPU/DSP Power Supplies, DDR power supplies, printer power supplies and network power supplies.
  • Operates from 2.25V to 3.6V supply, soft start reduces inrush supply current
  • Operating temperature range from -40°C to 85°C, 27Mohm on-resistance internal MOSFETs
  • ±1% output accuracy over load, line and temperature, integrated boost diodes
  • Fully protected against overcurrent, short circuit & overtemperature
  • REFIN on one channel for tracking or external reference
  • 0.5MHz to 2MHz adjustable switching or FSYNC input
  • Ceramic capacitor design
  • Individual enable inputs and PWRGD outputs
  • Safe start into pre-biased output

Applications

Power Management, Industrial, Portable Devices

Product Information

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2 Output

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2.25V

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3.6V

:
TQFN

:
32Pins

:
5A

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5A

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3.3V

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3.3V

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Adjustable

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2MHz

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Synchronous Buck (Step Down)

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85°C

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-

:
MSL 1 - Unlimited
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Technical Docs (1)

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