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STM809

Features: PRECISION MONITORING OF 3V, 3.3V, and 5V SUPPLY VOLTAGES TWO OUTPUT CONFIGURATIONS Push-pull RST Output (STM809/811) Push-pull RST Output (STM810/812) 140ms RESET PULSE WIDTH (MIN) LOW SUPPLY CURRENT - 6A (TYP) GUARANTEED RST/RST ASSERTION DOWN TO VCC = 1.0V OPERATING TEMPERATURE:40°C t...

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STM809: Features: PRECISION MONITORING OF 3V, 3.3V, and 5V SUPPLY VOLTAGES TWO OUTPUT CONFIGURATIONS Push-pull RST Output (STM809/811) Push-pull RST Output (STM810/812) 140ms RESET PULSE WIDTH (MIN) LOW SU...

STM809 Data Sheet

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Part Number:
STM809
Supply Ability:
5000

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Upload time: 2025/12/24

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Product Details

Description



Features:

PRECISION MONITORING OF 3V, 3.3V, and 5V SUPPLY VOLTAGES
TWO OUTPUT CONFIGURATIONS
Push-pull RST Output (STM809/811)
Push-pull RST Output (STM810/812)
140ms RESET PULSE WIDTH (MIN)
LOW SUPPLY CURRENT - 6A (TYP)
GUARANTEED RST/RST ASSERTION DOWN TO VCC = 1.0V
OPERATING TEMPERATURE:
40°C to 85°C (Industrial Grade)
LEAD-FREE, SMALL SOT23 and SOT143 PACKAGE


Specifications

Symbol Parameter Value Unit
TSTG Storage Temperature (VCC Off) 55 to 150
TSLD (1) Lead Solder Temperature for 10 seconds 260
VIO Input or Output Voltage 0.3 to VCC +0.3 V
VCC Supply Voltage 0.3 to 7.0 V
IO Output Current 20 mA
PD Power Dissipation 320 mW

Note: 1. Reflow at peak temperature of 255°C to 260°C for < 30 seconds (total thermal budget not to exceed 180°C for between 90 to 150 seconds).




Description

The STM809/810/811/812 MICROPROCESSOR RESET Circuits are low-power supervisory devices used to monitor power supplies. They perform a single function: asserting a reset signal whenever the 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). The STM811/812 also provide a push-button reset input (MR).




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