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LP3874EMP-3.3

Public Made by Adom

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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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lp3874emp-3-3-etched.glb lp3874emp-3-3: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
lp3874emp-3-3-etched.step lp3874emp-3-3: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
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lp3874emp-3-3.glb plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
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lp3874emp-3-3.step plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
package.json lp3874emp-3-3: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
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LP3874EMP-3.3

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-5

LP3874EMP-3.3 from Texas Instruments, in a SOT-223-5. 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 SD input Shutdown input; the device is in shutdown with about 10 nA quiescent current when SD is pulled low, and the pin is rated from -0.3 V to 7 V in recommended operation (7.5 V survival).
2 IN power_in Input voltage pin; the supply must be 2.5 V to 7 V and at least VOUT(NOM) + VDROPOUT, or 2.5 V, whichever is greater.
3 OUT power_out Regulated output voltage pin; survival limit is -0.3 V to 6 V, and the output is short-circuit protected at up to 0.8 A DC.
4 SENSE input Remote voltage sense input that improves load regulation at remote loads; its maximum voltage is limited to VOUT.
5 GND power_in Ground pin for the regulator.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-223-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: LP3874EMP-3.3
  • Footprint: Package_TO_SOT_SMD:SOT-223-5
  • 3D model: SOT-223-5, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.45 mm nominal SOT height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: lp3874emp-3-3-etched.step / lp3874emp-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp3874emp-3-3.step / lp3874emp-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 b85de2cb47e9b1e2, retrieved 2026-10-11, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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