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ln1154b252mr-g

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by Ray

NATLINEAR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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LN1154B252MR-G

NATLINEAR · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5L

LN1154B252MR-G from NATLINEAR, in a SOT-23-5L. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Regulator supply input. Operating range 2.0 V to 7 V (absolute max VSS-0.3 V to VSS+8 V). Bypass to VSS with a ≥2.2 µF input capacitor (C1) placed close to the pin.
2 VSS power_in Ground / common return for the regulator. All bypass capacitors and the load return connect here.
3 CE input Chip enable. Active-high on the 'B' logic option (this MPN) with an internal pull-down resistor. Drive ≥1.6 V (VCEH) to enable the regulator, ≤0.5 V (VCEL) to shut down (standby current <1 µA). Absolute max VSS-0.3 V to VIN+0.3 V.
4 NC unconnected No internal connection on the SOT-23-5 package. Leave floating or tie to VSS; do not use to route signals.
5 VOUT power_out Regulated 2.5 V output (±2% accuracy, VOUT(S)×0.98 to VOUT(S)×1.02). Delivers up to 300 mA when VIN ≥ VOUT+1.0 V. Requires a ≥2.2 µF output capacitor (C2) to VSS for stability. Includes internal current-limit and built-in bleeder/discharge transistor.

Key specifications

Parameter Value
Manufacturer NATLINEAR
Package SOT-23-5L
Category PMIC
Pins 5

Ordering variants

  • LN1154B252MR-GM
  • LN1154B252MR-GD

CAD (KiCad official)

  • Symbol: LN1154B252MR-G
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: NATLINEAR datasheet (None pp, sha256 2ef783c83e52515e, retrieved 2026-08-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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