component

ETA3448S2F

Public Made by Adom

by adom

etasolution DC-DC Converters, SOT23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ETA3448S2F

etasolution · DC-DC Converters · SOT23-5

ETA3448S2F from etasolution, in a SOT23-5. 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 EN input Enable input, high voltage level enables the device; for automatic start-up connect EN to VIN with a pull-up resistor (rising threshold 1.2V min, falling 0.4V max).
2 GND power_in Ground.
3 SW passive Switching node inductor connection; connect an inductor between SW and the regulator output.
4 VIN power_in Supply voltage input, 2.5V to 5.5V operating range, bypass with a 22µF ceramic capacitor to GND.
5 FB input Feedback input; connect an external resistor divider from the output to FB and GND to set VOUT (0.6V reference).

Key specifications

Parameter Value
Manufacturer etasolution
Package SOT23-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: ETA3448S2F
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT23-5 (KiCad packages3D, STEP)
  • 3D model files: eta3448s2f-etched.step / eta3448s2f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); eta3448s2f.step / eta3448s2f.glb are the bare package body.

Provenance

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

  • Datasheet: etasolution datasheet (7 pp, sha256 73f77b3b1d4b56f8, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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