TM1811 - Brand New TM Supervisors
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Description
STM181x devices are low power reset devices used to monitor power supplies for microcontrollers. They perform a single function: asserting a reset signal whenever VCC supply voltage drops below a preset value and keeping it asserted until VCC has risen above the preset threshold for a minimum period of time (trec). They provide excellent circuit reliability without additional external components when used with +3.0 V / +3.3 V (STM1815–STM1818), and +5 V (STM1810–STM1813) power supply systems.
Specifications and features
● Precision monitoring of 3 V , 3.3 V, and 5 V supply voltages
● Four output configurations:
– Push-Pull, Active-High (STM1812,1817)
– Push-Pull, Active-Low (STM1810,1815)
– Open Drain, Active-Low (STM1811,1816)
– Open Drain, Active-Low with PushButton Detect (STM1813,1818)
● Reset pulse width - 100 ms (min)
● Low supply current - 4 µA (typ)
● Guaranteed assertion down to VCC = 1.0 V (0 °C to 105 °C)
● Factory-trimmed reset thresholds of 2.55 V, 2.88 V, 3.06 V, 4.37 V, and 4.62 V (typ)
● Power supply transient immunity
● Push-button/manual reset detect (STM1813/1818)
● Operating temperature: –40 °C to 105 °C
● ± 2.5 % reset threshold accuracy: (–40 °C to 105 °C)
● Available in the SOT23-3 package
● Fully compatible with DS181x and MXD181x products.Application Scenarios
These STM181x devices are commonly used in microcontroller applications where precision monitoring of power supply voltages is required. They are particularly useful in systems that require a reliable reset signal when the supply voltage drops below a certain threshold.
Comparison
Advantages:
- Low power consumption
- Guaranteed assertion down to VCC = 1.0 V
- Wide operating temperature range
- Factory-trimmed reset thresholds
- Power supply transient immunity
Disadvantages:
- Requires external components for some configurations
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Similar parts: 7164 , Click to view
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Datasheet
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Shopping guide
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- Datasheet: Download TM1811
- Chipdatas Part: CD94-TM1811
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/07/01 04:05 +0800
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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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