component

SP809NEK-L-3-1

Public Made by Adom

by adom

MaxLinear Monitors & Reset Circuits, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SP809NEK-L-3-1

MaxLinear · Monitors & Reset Circuits · SOT-23

SP809NEK-L-3-1 from MaxLinear, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference for the supervisor circuit.
2 RESET output Active-low open-drain reset output on the SP809N, which asserts low while VCC is below the reset threshold and for the reset timeout period (140ms min) after VCC rises above it; the open-drain output needs an external pull-up resistor.
3 VCC power_in Supply voltage input and monitored voltage, operating range 0.9V to 6V (absolute maximum 6.5V).

Key specifications

Parameter Value
Manufacturer MaxLinear
Package SOT-23
Category Power Management ICs
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reset Threshold (25°C) VTH 3.054 3.1 3.147 V TA=+25°C 2
Reset Threshold (full temp) VTH 3.038 3.162 V TA=-40°C to 85°C 2
Operating Voltage Range VCC 0.9 6 V 2
Supply Current ICC 1 3 µA VCC=VTH+0.1V 2
Reset Active Timeout Period (25°C) tRP 140 230 560 ms TA=+25°C 2
Reset Active Timeout Period (full temp) tRP 100 1030 ms TA=-40°C to 85°C 2
RESET Output Voltage Low VOL 0.3 V VCC=VTH - 0.1V, ISINK = 1.2mA 2
VCC Reset Delay tTRIP 20 µs VCC=VTH to (VTH - 0.1V), VTH=3.1V 2
Supply Voltage (abs max) VCC -0.3 6.5 V 2
RESET Voltage (abs max) RESET -0.3 V -0.3V to VCC+0.3V 2
Output Current (abs max) 20 mA RESET 2
Power Dissipation 320 mW TA=70°C 2
Junction Temperature (abs max) TJ 125 °C 2
Storage Temperature TSTG -65 150 °C 2
Input Voltage Range (operating) VCC 0.9 6 V 2
Junction Temperature Range (operating) TJ -40 85 °C 2

CAD (KiCad official)

  • Symbol: SP809NEK-L-3-1
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: sp809nek-l-3-1-etched.step / sp809nek-l-3-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp809nek-l-3-1.step / sp809nek-l-3-1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MaxLinear datasheet (8 pp, sha256 ee58ead697ccce7e, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF