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MAX8855ETJ+

直流/直流开关稳压器, 同步, 2 输出, 2.25 V至3.6 V输入, 3.3 V/5 A输出, 2 MHz, TQFN-32

MAXIM INTEGRATED PRODUCTS MAX8855ETJ+
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制造商产品编号:
MAX8855ETJ+
库存编号
2513981
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产品概述

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

应用

电源管理, 工业, 便携式器材

产品信息

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:
2输出

:
2.25V

:
3.6V

:
TQFN

:
32引脚

:
5A

:
5A

:
3.3V

:
3.3V

:
可调

:
2MHz

:
同步降压 (降压)

:
85°C

:
-

:
MSL 1 -无限制
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技术文档 (1)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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