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MAX857ESA+

直流/直流开关稳压器, 可调, 0.8V-6V输入, 2.7V-6V输出, 100 mA, NSOIC-8

MAXIM INTEGRATED PRODUCTS MAX857ESA+
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制造商产品编号:
MAX857ESA+
库存编号
2514096
技术数据表:
MAX857ESA+   Datasheet
查看所有技术文档

产品概述

The MAX857ESA+ is an adjustable output step up DC to DC converter in 8 pin NSOIC package. It is a high-efficiency, CMOS, step up DC to DC switching regulator for small, low input voltage or battery-powered systems. The MAX857 adjustable versions accept 0.8V to 6.0V input voltages and generate higher adjustable output voltages in the 2.7V to 6.0V range. Typical efficiency is greater than 85%. It combines ultra-low quiescent supply current and high efficiency to give maximum battery life. An internal MOSFET power transistor permits high switching frequencies. This benefit, combined with internally set peak inductor current limits, permits the use of small, low-cost inductors. This device is used in 3.3V to 5V step-up conversion, palmtop computers, personal data communicators/computers, medical instrumentation, 2cell & 3cell battery-operated equipment and glucose meters.
  • Input supply voltage range from 0.8V to 6V
  • Start-up supply voltage range from 0.8V
  • Quiescent current is 25µA
  • Shutdown mode current is 1µA
  • 500mA peak inductor current limit
  • Switching frequency is 500KHz
  • 1.5% reference tolerance over temperature
  • Low battery detector (LBI/LBO)

应用

电源管理, 便携式器材

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
升压

:
800mV

:
6V

:
1输出

:
NSOIC

:
8引脚

:
100mA

:
2.7V

:
6V

:
500kHz

:
85°C

:
-

:
-

:
MSL 1 -无限制
查找类似产品 选择并修改以上属性即可查找类似产品。

技术文档 (1)

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CAD Models - Notice
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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