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DS1833
5V、经济型复位芯片


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状况:生产中。

概述
完整的数据资料 (PDF, 128kB)
英文 下载数据资料(PDF)下载
The DS1833 is pin-compatible with the DS1233 and similar in function to the DS1233D but with an active high reset. It is intended for 5V systems that require a 350ms hold on active high reset for system stabilization.

The DS1833 monitors power supplies and automatically restarts the processor when operational safety thresholds are breached. It is designed with CMOS outputs and is capable of maintaining a valid output on the active high reset to 1.2V with an internal 5kΩ pull-up resistor. On power-up, the DS1833 holds reset for 350ms to allow the system to stabilize.

With a variety of features that can target a specific application, EconoResets provide simple and cost-effective CPU monitoring solutions.

关键特性
  • Power-fail monitor with automatic reset
  • Precision temperature-compensated voltage reference and sensor
  • Maintains active high reset for 350ms after power return
  • Internal 5kΩ pull-up resistor
  • Operating ranges: 5V with 5%, 10%, or 15% tolerance
  • -40°C to +85°C

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)
Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)
ICC
(µA)
Price
Active High min @ +25°C max See Notes
DS1833  3.3 to 5.5 Open Drain with Internal Pull-Up 250ms to 450ms No Watchdog Power Fail Comparator/Low Battery Detect 2.5 2000 $0.72 @1k
查看所有Supervisors (1 Monitored Voltage) (274)

图表
DS1833:原理框图
原理框图

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    1999-11-20
    本页最后一次更新: 2009-10-23


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