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MAX6340, MAX6421, MAX6422, MAX6423, MAX6424, MAX6425, MAX6426
低功耗、SC70/SOT封装、微处理器复位电路，可通过电容调节复位延迟时间
概述
完整的数据资料
(PDF, 264kB) 英文
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MAX6340/MAX6421–MAX6426低功耗、微处理器监控电路可监视1.6V至5V的系统电压。这些器件执行一个功能：一旦VCC 电源电压降低到它的复位门限以下便发出一个复位信号。当VCC 上升到复位门限以上时，在复位延时周期内复位输出仍将维持复位状态。复位延时可由外部电容器设置，提供了更多的灵活性。
关键特性
应用/使用
监视1.6V至5V的系统电压
电容可调复位延时
低静态电流(1.6µA，典型值)
三种RESET输出选择
推挽式/RESET
推挽式RESET
漏极开路/RESET
保证复位有效至VCC = 1V
VCC 瞬态短路保护
微型4引脚SC70封装、4引脚SOT143封装和5引脚SOT23封装
MAX6340引脚兼容于LP3470
MAX6424/MAX6425引脚兼容于NCP300—NCP303、MC33464/MC33465、S807/S808/S809和RN5VD
MAX6426引脚兼容于PST92XX
汽车 电池供电计算机/控制器 计算机 精确的µP监视 嵌入式控制器 智能仪表 医疗装置 便携式设备 机顶盒
Key Specifications:
Supervisors (1 Monitored Voltage)
Part Number
Reset Threshold Range (V)
Active-Low Reset Output
Active-High Reset Output
Min. Reset Timeout Range
Watchdog Feature
Reset Thresh. Acc. (% @+25°C)
Max. ICC (µA)
RoHS Available
Industry Qualified
Package
Operating Temp. Range (°C)
Price**
MAX6340
1.2 to 1.8
Open Drain
-
15ms to 85ms
No Watchdog
1.5
2.5
Yes
-
SOT-23/5
-40 to +85
$0.91 @ 1k
MAX6421
Push-Pull
-
Automotive - General
SC-70/3
SC-70/4
SOT-143/4
-40 to +125
$0.91 @ 1k
MAX6422
-
Push-Pull
Automotive - General
SC-70/3
SC-70/4
SOT-143/4
-40 to +125
$0.91 @ 1k
MAX6423
Open Drain
-
Automotive - General
SC-70/3
SC-70/4
SOT-143/4
-40 to +125
$0.91 @ 1k
MAX6424
Push-Pull
-
Automotive - General
SOT-23/5
-40 to +125
$0.91 @ 1k
MAX6425
Open Drain
-
Automotive - General
SOT-23/5
-40 to +125
$0.91 @ 1k
MAX6426
Open Drain
-
Automotive - General
SOT-23/5
-40 to +85
$0.91 @ 1k
See All Supervisors (1 Monitored Voltage) (268)
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： 19-2440;
Rev. 4;
2006-12-05
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