MAX6315

漏极开路输出、SOT封装的微处理器复位电路

开漏输出SOT复位IC,可定制复位门限和超时周期


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说明

The MAX6315 low-power CMOS microprocessor (µP) supervisory circuit is designed to monitor power supplies in µP and digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments. The MAX6315 also provides a debounced manual reset input.

This device performs a single function: it asserts a reset signal whenever the VCC supply voltage falls below a preset threshold or whenever manual reset is asserted. Reset remains asserted for an internally programmed interval (reset timeout period) after VCC has risen above the reset threshold or manual reset is deasserted. The MAX6315's open-drain active-low RESET output can be pulled up to a voltage higher than VCC.

The MAX6315 comes with factory-trimmed reset threshold voltages in 100mV increments from 2.5V to 5V. Preset timeout periods of 1ms, 20ms, 140ms, and 1120ms (minimum) are also available. The device comes in a SOT143 package.

For microcontrollers (µCs) and µPs with bidirectional reset pins, see the MAX6314 data sheet.
MAX6315:典型工作电路 MAX6315:典型工作电路 放大+

关键特性

  • Supervisory Circuit Ensures Reliable System Operation with Minimal Power Consumption
    • Precision, Factory-Set VCC Reset Thresholds: 100mV Increments from 2.5V to 5V
    • Four Reset Timeout Periods Available: 1ms, 20ms, 140ms, or 1120ms (min)
    • Immune to Short VCC Transients
    • Open-Drain active-low RESET Output Can Exceed VCC
    • Guaranteed Over Temperature
    • 5µA Supply Current
  • Pin Compatible with MAX811
  • Saves Space
    • 4-Pin SOT143 Package

应用

  • 计算机:台式机、工作站和服务器
  • 控制器
  • 精确的µP与µC电源监控
  • 智能仪表
  • 便携式电池供电设备
Part NumberReset Thresh.
(V)
Reset OuttRESETWatchdog FeatureSupervisor FeaturesReset Thresh. Accur.
(%)
ICC
(µA)
Package/PinsBudgetary
Price
min@ +25°CmaxSee Notes
MAX6315 
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s
No WatchdogManual Reset1.812
SOT23/4
$1.41 @1k
查看所有Supervisors (1 Monitored Voltage) (261)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

技术资料

设计指南 279 Supervisory Circuits Keep Your Microprocessor Under Control

质量和环境数据

产品可靠性报告: MAX6315.pdf 
无铅封装的锡(Sn)晶须报告

CAD Symbols and Footprints

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  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

    质量管理体系 >
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