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| 软件名称 |
LTC2935 pdf |
| 运行环境 |
Win9X/Win2000/WinXP/Win2003/ |
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| 整理时间 |
2008-6-30 10:47:04 |
| 软件星级 |
 |
| 软件语言 |
简体中文 |
| 软件类型 |
国产软件 |
| 授权方式 |
共享软件 |
| 软件大小 |
777 KB |
| 相关连接 |
csb23@126.com 官方主页 没有预览图片
[收 藏] |
| 下载统计 |
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| 解压密码 |
www.elecfans.com |
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 软件简介 |
The LTC®2935 ultra-low power voltage monitor provides
system initialization, power-fail warning and reset gen-
eration functions. Low quiescent current (500nA typical)
makes the LTC2935 an ideal choice for battery-operated
applications.
Three binary threshold-select inputs confi gure one of eight
integrated reset thresholds, available from 3.3V to 2.25V
in 150mV increments. Early warning of an impending
low voltage condition is provided at the power-fail output
(PFO), whose threshold is 150mV above the confi gured
reset threshold. Supervisory circuits monitor VCC and
pull RST low when VCC drops below the confi gured reset
threshold. When VCC is rising from an under-threshold
condition, an internal reset timer is started after exceed-
ing the reset threshold by 5%. A 200ms reset timeout
delays the return of the RST output to a high state. A
pushbutton switch connected to the MR input is typically
used to force a manual reset. Outputs RST and PFO are
available with open-drain (LTC2935-1) or active pull-up
(LTC2935-2) circuits. Operating temperature range is from
–40ºC to 85ºC.
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