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Description
The 47D2-18LC is a CMOS microprocessor (µP) supervisory circuit designed to monitor multiple power supplies. It is ideal for monitoring both 5V and 3.3V supplies in personal computer systems. This device asserts a system reset if any of the monitored supplies falls outside the programmed threshold. With a low supply current of 15µA and a small 5-Pin SOT23 package, it is suitable for portable applications. The 47D2-18LC is specifically designed to ignore fast transients on any monitored supply.
Specifications and Features
- Small 5-Pin SOT23 Package
- Precision Factory-Set VCC Reset Thresholds; Available in 0.1V Increments from 2.5V to 5V
- Immune to Short VCC Transients
- Guaranteed RESET Valid to VCC = 1V
- Guaranteed Over Temperature
- 8µA Supply Current
- Factory-Set Reset Timeout Delay from 1ms (min) to 1120ms (min)
- No External Components
- Manual Reset Input
- Under/Overvoltage Supply Monitoring
Application Scenarios
- Portable Computers
- Computers
- Controllers
- Intelligent Instruments
- Portable/Battery-Powered Equipment
- Multivoltage Systems: 3V/5V, 5V/12V, 5V/24V
- Embedded Control Systems
Comparison
The 47D2-18LC offers the following advantages:
- Monitors multiple power supplies
- Asserts a system reset if any supply falls outside programmed threshold
- Low supply current and small package for portable applications
- Specifically designed to ignore fast transients
One potential disadvantage of the 47D2-18LC is that it may not be suitable for applications requiring higher voltage monitoring.
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Datasheet
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Shopping guide
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Additional Information
- Datasheet: Download 47D2-18LC
- Chipdatas Part: CD92-47D2-18LC
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 07:45 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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