Overview
The STM810LWX6F is a low-power supervisory device manufactured by STMicroelectronics, designed to monitor power supplies and ensure reliable operation of microprocessors. This device is part of the STM809/810/811/812 series and is specifically tailored to assert a reset signal whenever the VCC supply voltage drops below a preset threshold, maintaining the reset until the voltage rises above the threshold for a minimum recovery time.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT23 |
| Operating Temperature | -40°C to 85°C (Industrial Grade) |
| Supply Voltage Monitoring | 3 V, 3.3 V, and 5 V |
| Reset Pulse Width | 140 ms (minimum) |
| Supply Current | 6 µA (typical) |
| RST Assertion | Guaranteed down to VCC = 1.0 V |
| Output Configuration | Push-pull RST output |
| RoHS Compliance | Ecopack3 |
Key Features
- Lead-free and small SOT23 package
- Precision monitoring of 3 V, 3.3 V, and 5 V supply voltages
- Low supply current of 6 µA (typical)
- Guaranteed RST assertion down to VCC = 1.0 V
- Push-pull RST output configuration
- Operating temperature range of -40°C to 85°C (Industrial Grade)
Applications
The STM810LWX6F is suitable for a variety of applications where reliable power supply monitoring is crucial, such as in microprocessor-based systems, embedded systems, and other electronic devices that require stable power supply conditions. It is particularly useful in industrial, automotive, and consumer electronics where robust and low-power supervisory functions are necessary.
Q & A
- What is the primary function of the STM810LWX6F?
The primary function is to monitor the power supply and assert a reset signal if the voltage drops below a preset threshold. - What are the supported supply voltages for the STM810LWX6F?
The device supports precision monitoring of 3 V, 3.3 V, and 5 V supply voltages. - What is the typical supply current of the STM810LWX6F?
The typical supply current is 6 µA. - What is the minimum reset pulse width of the STM810LWX6F?
The minimum reset pulse width is 140 ms. - What is the operating temperature range of the STM810LWX6F?
The operating temperature range is -40°C to 85°C (Industrial Grade). - Is the STM810LWX6F RoHS compliant?
Yes, the STM810LWX6F is RoHS compliant with an Ecopack3 rating. - What package type is the STM810LWX6F available in?
The STM810LWX6F is available in a small SOT23 package. - Does the STM810LWX6F have a push-button reset input?
No, the STM810LWX6F does not have a push-button reset input; this feature is available in the STM811 and STM812 models. - What are some typical applications for the STM810LWX6F?
Typical applications include microprocessor-based systems, embedded systems, industrial electronics, automotive electronics, and consumer electronics. - How does the STM810LWX6F ensure reliable operation?
The device ensures reliable operation by asserting a reset signal whenever the VCC supply voltage drops below a preset threshold and keeping it asserted until the voltage rises above the threshold for a minimum recovery time.
