MAX6887, MAX6888
六/四路电源监控电路
概述
完整的数据资料
(PDF, 796kB)
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MAX6887/MAX6888多电压电源监视器具有多路电压检测输入、一路看门狗输入和三路输出。每路电压检测输入都具有由工厂设置的欠压和过压门限。手动复位和余量禁止输入提供了更多的灵活性。Selector Guide 中列出了所监视的标准电源电压。
关键特性
应用/使用
六/四路电压检测器
欠压和过压门限
1%门限精度
余量禁止和手动复位输入
看门狗定时器
开漏/RESET、/OV和/WDO输出
180ms (最小)复位延时
极少的外部元件
小型5mm x 5mm、16引脚薄型QFN封装
Key Specifications:
Supervisors (4 Monitored Voltages)
Part Number
Interface
Reset Threshold Range (V)
Active-Low Reset Output
Min. Reset Timeout Range
Watchdog Feature
Nom. Watchdog Timeout Range
Supervisor Features
Reset Thresh. Acc. (% @+25°C)
Max. ICC (µA)
Price**
MAX6888
Factory Fixed
0 to 1.2
Open Drain
85ms to 300ms
Extended Setup Period
1s to 2s
Manual Reset
1
2000
$3.33 @ 1k
See All Supervisors (4 Monitored Voltages) (27)
Key Specifications:
Supervisors (> 5 Monitored Voltages)
Part Number
Number of Monitored Voltages
Interface
Reset Threshold Range (V)
Active-Low Reset Output
Min. Reset Timeout Range
Watchdog Feature
Nom. Watchdog Timeout Range
Supervisor Features
Max. ICC (µA)
Price**
MAX6887
6
Factory Fixed
0 to 1.2
Open Drain
85ms to 300ms
Extended Setup Period
1s to 2s
Manual Reset
2000
$3.89 @ 1k
See All Supervisors (> 5 Monitored Voltages) (20)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
图表
典型工作电路
参考文献： 19-0291;
Rev. 1;
2007-03-16
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