RT9818A-21GU3
- Mfr.Part #
- RT9818A-21GU3
- Manufacturer
- Richtek
- Package / Case
- SC-70, SOT-323
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL SC70-3
- Stock
- 40,636
- In Stock :
- 40,636
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- Manufacturer :
- Richtek
- Product Category :
- Supervisors
- Terminal Form :
- Gull wing
- Number of Voltages Monitored :
- 1
- Number of Functions :
- 1
- Supply Voltage :
- 3V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Terminal Pitch :
- 0.65mm
- Published :
- 2013
- Mounting Type :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- JESD-30 Code :
- R-PDSO-G3
- Supply Voltage-Max (Vsup) :
- 6V
- Type :
- Simple Reset/Power-On Reset
- Operating Temperature :
- -40°C~85°C TA
- Reset Timeout :
- 0ms Typical
- Number of Channels :
- 1
- Output :
- Open Drain or Open Collector
- Adjustable Threshold :
- No
- Package / Case :
- SC-70, SOT-323
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Voltage - Threshold :
- 2.1V
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Supply Voltage-Min (Vsup) :
- 0.9V
- Factory Lead Time :
- 18 Weeks
- Mount :
- Surface Mount
- Length :
- 2.025mm
- Reset :
- Active Low
- ECCN Code :
- EAR99
- Number of Terminations :
- 3
- Packaging :
- Tape and Reel (TR)
- Terminal Position :
- Dual
- Datasheets
- RT9818A-21GU3

Supervisors Richtek RT9818A-21GU3 Overview
The Richtek RT9818A-21GU3, a highly reliable voltage supervisor IC, is designed for precision monitoring of power supplies in digital systems. Ensuring system stability and functionality, this IC plays a crucial role in monitoring voltage levels and initiating system resets when necessary. With its compact SC703 package, the RT9818A-21GU3 is ideal for space-constrained applications, offering a blend of performance and durability. As part of the Supervisors category, this component is engineered by Richtek, a leader in semiconductor solutions, reflecting advanced technology tailored for robust performance in critical conditions. The Supervisors Richtek RT9818A-21GU3 is a critical component in safeguarding system integrity, making it a vital purchase for businesses looking to enhance system reliability.
RT9818A-21GU3 Features
The RT9818A-21GU3 IC boasts a variety of features suited for rigorous industrial demands. Key features include a precision threshold voltage set at 2.1V, low power consumption, and a minimal footprint. The device offers a robust output stage capable of sinking or sourcing current, and it integrates a delay function that can be utilized to time the reset signal as per system requirements. These characteristics make it highly suitable for applications requiring precise voltage monitoring and control.
RT9818A-21GU3 Applications
- Computing Systems: Ensures stable operation and prevents data corruption by monitoring power supply stability and initiating resets in cases of undervoltage conditions.
- Portable Devices: Ideal for use in battery-operated devices such as smartphones and tablets, where maintaining the correct operating voltage is crucial for device performance and longevity.
- Communication Equipment: Provides system reliability in communication devices by ensuring that all system components operate within specified voltage thresholds, thus avoiding system failures due to power fluctuations.
- Industrial Control Systems: Monitors power supplies in industrial environments, triggering resets to protect sensitive machinery and operational integrity in the event of power disturbances.
- Automotive Electronics: Plays a critical role in automotive systems by monitoring the supply voltage to prevent malfunctions and ensure safety and reliability in challenging environments.
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