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LN1234B152MR-G

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NATLINEAR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LN1234B152MR-G

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

LN1234B152MR-G from NATLINEAR, in a SOT-23-5L. 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 VIN power_in Input supply pin; the datasheet gives an operating input voltage of 1.8 V to 5 V and an absolute maximum of -0.3 V to +5 V.
2 VSS power_in Ground pin, the regulator's common reference for the input, output and CE logic.
3 CE input Enable pin; for this CE-logic variant (B) it is active high with no built-in pull-down, with a minimum high level of 1.2 V and a minimum low level of 0.6 V.
4 NC unconnected No connection (marked as empty in the datasheet pin table).
5 VOUT power_out Regulated output pin; this part is set to 1.5 V (order code digits 15) and delivers up to 300 mA at VIN ≥ 2.5 V.

Key specifications

Parameter Value
Manufacturer NATLINEAR
Package SOT-23-5L
Category Power Management (PMIC)
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Input voltage (absolute maximum) VIN -0.3 5 V 3
CE pin voltage (absolute maximum) VCE -0.3 V max printed as VIN+0.3 V 3
Power dissipation (absolute maximum) PD 250 mW SOT-23-5L 3
Operating temperature Topr -40 85 °C 3
Storage temperature Tstg -40 125 °C 3
Input voltage VIN 1.8 5 V 5
Output current IOUT 300 mA VIN≥2.5 V 4
Output voltage accuracy -2 2 % 1.5 V output, per product features 1
Input-output voltage difference Vdrop 0.12 0.2 V IOUT=50 mA 4
Input-output voltage difference Vdrop 0.3 0.45 V IOUT=100 mA 5
Input stability 0.1 0.2 %/V VOUT(S)+0.5 V≤VIN≤7 V, IOUT=30 mA 5
Load stability VOUT 50 100 mV VIN=VOUT(S)+1.0 V, 1.0 mA≤IOUT≤100 mA 5
Output voltage temperature coefficient -100 100 ppm/°C VIN=VOUT(S)+1.0 V, IOUT=10 mA, -40°C≤Ta≤85°C 5
CE minimum high-level voltage VCEH 1.2 V 5
CE minimum low-level voltage VCEL 0.6 V 5
CE high-level current ICEH -0.1 0.1 μA VIN=VCE=VOUT(T)+1V 5
CE low-level current ICEL -0.1 0.1 μA VIN=VOUT(T)+1V, VCE=VSS 5
Operating current ISS1 50 μA VIN=VOUT(S)+1.0 V 5
Ripple rejection /PSRR/ 60 dB VIN=VOUT(S)+1.0 V, f=10 kHz, Vrip=0.5 Vrms, IOUT=50 mA 5
Short-circuit current Ishort 60 mA VIN=VOUT(S)+1.0 V, ON/OFF pin ON, VOUT=0 V 5

CAD (KiCad official)

  • Symbol: LN1234B152MR-G
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: ln1234b152mr-g-etched.step / ln1234b152mr-g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ln1234b152mr-g.step / ln1234b152mr-g.glb are the bare package body.

Provenance

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

  • Datasheet: NATLINEAR datasheet (9 pp, sha256 26dd3185d3352d1d, retrieved 2026-10-17, 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: 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