The STM809 series are low-power supervisory reset devices designed to monitor power supply voltages of 3 V, 3.3 V, and 5 V, ensuring microcontroller stability. They feature push-pull reset outputs, a reset pulse width of at least 140 ms, and operate from -40°C to 85°C in lead-free SOT23 and SOT143 packages. These reset circuits provide guaranteed assertion down to 1.0 V, are immune to negative Vcc transients, and include manual reset inputs for manual control in noisy environments, offering reliable system power management.
Reset Threshold Voltage: Vpgr = 4.50 V to 4.75 V, Vpgr = 4.25 V to 4.50 V, Vast = 3.00 V to 3.15 V, and others
Reset Pulse Width: 140 ms (minimum)
Operating Temperature Range: -40°C to 85°C
Package Types: SOT23-3 (WX), SOT143-4 (W1)
Absolute Max Storage Temperature: -55°C to 150°C
Supply Current: 6 μA typical
Output Voltage: Active-low and active-high options
Manual Reset Input: Yes, with internal pull-up resistor
Transient Immunity: Valid down to Vcc = 1 V, with transient immunity against negative-going Vcc glitches
Environmental Compliance: Lead-free, ECOPACK®
Buy the STMicroelectronics Series STM809 Low-Power Reset Circuit: STM809LWX6F
Secure your system with the high-reliability STM809 series reset circuits from STMicroelectronics. Designed to monitor supply voltages of 3 V, 3.3 V, and 5 V, these devices feature guaranteed assertion down to 1.0 V, low supply current, and a reset pulse width of at least 140 ms. Available in lead-free SOT23 and SOT143 packages, they offer excellent transient immunity, manual reset options, and a wide temperature range from -40°C to 85°C. Ideal for industrial, automation, and embedded system applications—order online today for dependable power management.
Buy STMicroelectronics STM809LWX6F now and experience unmatched reliability and power supply monitoring for industrial applications.
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You can download the STM809LWX6F datasheet or visit the STMICROELECTRONICS website for support.
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