Professional IC Distribution & Technical Solutions

The SP809EK-L-2-9/TR is a voltage supervisor and reset IC manufactured by EXAR (now part of MaxLinear). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: EXAR
• Type: Voltage Supervisor / Reset IC
• Reset Threshold Voltage: 2.9V (adjustable variants may exist)
• Output Type: Active-Low Reset
• Operating Voltage Range: 1.2V to 5.5V
• Quiescent Current: Typically low (exact value depends on datasheet)
• Reset Timeout Period: Fixed or adjustable (varies by variant)
• Package: SOT-23 or similar small form factor (exact package depends on variant)
• Temperature Range: Industrial (-40°C to +85°C) or Commercial (0°C to +70°C)

Descriptions:

• Monitors system voltage and generates a reset signal when voltage falls below a preset threshold.
• Ensures proper microcontroller or processor initialization during power-up, power-down, or brownout conditions.
• Designed for low-power applications with minimal current consumption.

Features:

• Precision Voltage Monitoring: Accurate detection of voltage drops.
• Manual Reset Capability: Some variants include a manual reset input.
• Low Power Consumption: Suitable for battery-operated devices.
• Small Form Factor: Compact package for space-constrained designs.
• Wide Operating Voltage Range: Supports various system voltages.

For exact details, refer to the official datasheet from EXAR/MaxLinear.