component

LM2931AZ-5.0RAG

Public Made by Adom

by adom

onsemi Linear Voltage Regulators (LDO), TO-92. 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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LM2931AZ-5.0RAG

onsemi · Linear Voltage Regulators (LDO) · TO-92

LM2931AZ-5.0RAG from onsemi, in a TO-92. 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 Output power_out Regulated 5.0 V fixed output capable of supplying more than 100 mA, with internal current limiting and thermal shutdown.
2 Ground power_in Ground pin of the regulator.
3 Input power_in Unregulated supply input, rated 40 Vdc continuous and 60 Vpk transient (load dump), with -50 Vpk reverse transient protection.

Key specifications

Parameter Value
Manufacturer onsemi
Package TO-92
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
Output Voltage VO 4.81 5 5.19 V Vin = 14 V, IO = 10 mA, TA = 25°C 4
Output Voltage (full range) VO 4.75 5.25 V Vin = 6.0 V to 26 V, IO ≤ 100 mA, TA = −40 to +125°C 4
Line Regulation Regline 2 10 mV Vin = 9.0 V to 16 V 4
Line Regulation Regline 4 30 mV Vin = 6.0 V to 26 V 4
Load Regulation Regload 14 50 mV IO = 5.0 mA to 100 mA 4
Bias Current IB 5.8 30 mA Vin = 14 V, IO = 100 mA, TA = 25°C 4
Bias Current IB 0.4 1 mA Vin = 6.0 V to 26 V, IO = 10 mA, TA = −40 to +125°C 4
Ripple Rejection RR 60 90 dB f = 120 Hz 4
Dropout Voltage VI−VO 0.015 0.2 V IO = 10 mA 4
Dropout Voltage VI−VO 0.16 0.6 V IO = 100 mA 4
Over-Voltage Shutdown Threshold Vth(OV) 26 29.5 40 V 4
Output Voltage with Reverse Polarity Input −VO -0.3 0 V Vin = −15 V 4
Output Impedance ZO 200 mΩ IO = 10 mA, ΔIO = 1.0 mA, f = 100 Hz to 10 kHz 4
Output Noise Voltage Vn 700 µVrms f = 10 Hz to 100 kHz 4
Long Term Stability S 20 mV/kHR 4
Input Voltage Continuous VI 40 Vdc 3
Transient Input Voltage VI(τ) 60 Vpk τ ≤ 100 ms 3
Transient Reverse Polarity Input Voltage −VI(τ) -50 Vpk 1.0% Duty Cycle, τ ≤ 100 ms 3
ESD HBM 2000 V Human Body Model, Class 2, JESD22 A114-C 3
ESD MM 200 V Machine Model, Class A, JESD22 A115-A 3
ESD CDM 2000 V Charged Device Model, JESD22 C101-C 3
Operating Ambient Temperature Range TA -40 125 °C 3
Operating Die Junction Temperature TJ 150 °C 3
Storage Temperature Range Tstg -65 150 °C 3
Thermal Resistance, Junction-to-Ambient RθJA 178 °C/W Case 29 (TO-92 Type) 3
Thermal Resistance, Junction-to-Case RθJC 83 °C/W Case 29 (TO-92 Type) 3
Output Voltage Tolerance -3.8 3.8 % LM2931AZ-5.0RAG ordering table 12

CAD (KiCad official)

  • Symbol: LM2931AZ-5.0RAG
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: lm2931az-5-0rag-etched.step / lm2931az-5-0rag-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2931az-5-0rag.step / lm2931az-5-0rag.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (27 pp, sha256 8aa5b5e74701e2c5, retrieved 2026-10-23, tier: manufacturer)
  • 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